This has always been a weak point for BMW’s. This is a prevalent issue, but it’s not just N54 specific. This can cause a rattling noise when lifting off the throttle, a 30FF boost-leak code, and eventually cause the turbos not to create boost at all. The belts should be free … So to recap maintenance intervals for a stock N54: Spark Plugs: 20-25k milesIgnition Coils: 40-50k milesOil Changes: 6-8k milesWater Pump: ~100k miles as preventative maintenanceWalnut Blast: 50-60k miles. 5.0 out of 5 stars 1. With a simple ECU flash/tune, you can make around 380HP and around 400lb-ft of torque. Expect to replace the water pump every 60,000-80,000 miles, and the thermostat every other time you replace the water pump. When your valve cover is leaking it causes an over-pressurization of the crankcase. That PCV valve dumps any extra pressure into the bank #2 turbo. Learn how to replace the low beam headlight bubs on a BMW F30 and F31 with only a few basic tools. I would just go back to the OEM PCV. See everything you need to understand how the BMW Maintenance Program, Maintenance Program Upgrade, and Certified Pre-Owned (CPO) Maintenance … I’d recommend if you're doing a turbo replacement to replace the oil pan gasket, water pump, and thermostat while you're there. Keeping in mind the above points (prevent misfires, promote engine cooling and lubrication, and reduce internal pressures) lets move on to some modifications for the N54. As soon as I flashed to the MHD e85 tune and began running 19psi I blew two bank 2 turbos within 1400 miles. Shopping for OEM BMW Parts? Keeping your spark plugs fresh will reduce the load on the ignition coils, which allows the coils to last longer. It warms the car up faster in the cold winter months. Belt and Chain Replacement The best time for a vehicle owner to replace a timing belt or chain is before it fails. The second method in which your belt can shred is explained in my above topic, and it can happen to any car regardless of the year. When the N54 shreds a belt, you're going to have a bad time. The easiest way to tell if the valve cover is cracked is to check around cylinder #2 and #3 for oil seepage, or you might even be able to spot a crack visually. When I walnut blasted the intakes a couple of months ago I took steps to minimize the carbon build up again by installing a BMW Oil Catch Can and an FTP PCV Valve. This job isn't difficult, it's just time-consuming. With your engine cold and turned OFF, inspect your drive belts for wear. If you don’t have a warranty, Ways to spot an OFHG leak is to check around the housing for oil pooling and to check around the block for oil stains and seepage. The PCV valve is cheap, so always replace it when working on the valve cover. They can reliably run 15psi without issue, and some people are running 23psi with just fueling modifications. Almost all of the common issues related to the N54 aren't due to the actual engine itself; instead, they're almost always focused on the accessories. A properly set up meth kit it essential to the safety of the engine. Finally, on to the fun part! Carbon build up on the intake valves can cause throttle lag, loss of power, lessened fuel economy, misfiring under load, and even valve-train noise. A common symptom is a very rough idle with hiccups and misfires. The N53 and N54 straight-six has unfairly earned a bad reputation for reliability with technicians due to timing chain and variable valve timing problems. Timing Chain Tensioner for BMW N51 N52 N53 N54 N55 OE 11317584723. Back in the 90s they took a e34 (5 series) and ran it over 2 million miles, just performing the standard maintenance. 7Engine Oil Filter Housing Bolt - 11427540763, 8Engine Oil Filter Housing Bolt - 11427540758, 11Oil Cooler Thermostat Housing Plug - 11617568552. $35.47 $ 35. And, if you'd like to see and read more, check back here often and make sure to, How to Diagnose & Repair Volvo "Anti-Skid Service Required" Message, Seven New European Cars That Offer A Manual Transmission (2020 Model Year). The Most Common BMW N55 135i, 235i, 335i, 435i, 535i Engine Problems N55 Common Engine & Reliability Problems. You can also get an OCC (oil catch can) which will collect some of the oil blow by and reduce carbon build up. And, if you'd like to see and read more, check back here often and make sure to subscribe to our YouTube channel. Get the updated BMW Z4 maintenance cost, schedule, coverage, service item list and more. The basics of ensuring the longevity of your engine remain the same on a modified N54. However, a lot of mechanics and car enthusiasts cringe at the thought of that. However, they do have some weak points. You can read about BMW N55 Tuning here! Higher-octane fuels aid in knock suppression and can help prevent misfires. To prove that point BMW has always performed several long distance tests on its new engines before they are put on the market. It keeps running after the engine is off to cool down the turbos after a spirited drive. The Toyota 2JZ and the Nissan RB26DETT might be what first comes to mind. They've had over ten revisions, but are still known to fail. Rather, if you’re having misfire issues and neither spark plugs nor coils fix the issue then it’s probably your injectors. A few of the common points of contention are warranted, however, almost every single issue is easily addressable in your garage at home. Spraying meth into the intake is a great way to reduce IAT’s, increase performance, and reduce internal engine temperatures. Larger inlets and outlets will allow the turbos to move air more efficiently thereby increasing horsepower and reducing stress on the turbochargers. The stock oil cooler found on some N54’s (a lot of n54’s have no oil cooler) is very small. Learn how to service it on a BMW F30 or any car. Why change spark plugs and coils early? Over the past few years, the N54 twin turbo 3.0 lite inline-6 has gained the reputation of being an easily tunable and powerful engine. timing chain: 2.5 L N52B25 (525i, 523i) timing chain: 2.5 - 3.0 L N53 (523i, 525i, 528i) 2.2 - 3.0 L M54 I6v(520i, 525i) timing chain: 3.0 L N54 turbo I6 (535i) timing chain: 4.0 - 4.8 L N62 V8 (540i, 545i) timing chain: 5.0 L S85 V10 (M5) timing chain: 2.0 L M47 turbo I4 (520d) timing chain: 2.0 L … Read or watch to learn more about car vacuum pumps. After spirited driving the N54 can see oil temps of 250-260 degrees F, where an upgraded oil cooler can reduce temps to 230 or lower. I replaced the valve cover gasket but no luck. This does sound like the PCV though since removing the oil filler cap stops the noise. Injectors are one of the more common failure items. Engine Oil Filter Housing Bolt - 11427540763, Engine Oil Filter Housing Bolt - 11427540758, Oil Cooler Thermostat Housing Plug - 11617568552, How To Replace Low Beam Headlight Bulbs On A BMW F30 & F31 (328i, 330i, & More), How To Replace The Engine Air Filter On A BMW F30 & F31 (328i, 330i, & More), How To Use The BMW Electric Water Pump Self Bleeding Procedure, How To Reset A BMW Service Light Without An OBDII Scanner, How To Service The ZF 8HP Transmission On A BMW F30, How To Replace The Serpentine Belt, Tensioner, & Idler Pulley On A BMW N52 Engine, How To Install Coilovers On A BMW F30 xDrive (320i, 328i, 328d, & 335i). Although the block and internals are very strong, the N54 is prone to issues without the proper maintenance and repairs. After spirited driving the N54 can see oil temps of 250-260 degrees F, … Here’s a complete guide on why they’re so popular, what to look for when buying one, and what could go wrong in the future. Only 1 left in stock - order soon. If you have an early build model, you can upgrade your motor mount to the 335is version. We offer high quality new, OEM, aftermarket and remanufactured BMW 335i Timing Chain parts. BMW Timing Chain Diagnosis & Repair If you own a BMW model from any of the BMW 1, 3 or 5 series manufactured between 2007 and 2011 then your car is liable to have a timing chain problem. MSV80 N52s and the N53 use the same pump as MSV70 N52. October 28, 2015. BMW E90 335i N54 3.0L Oil - ROWE HighTec Synt RS Engine Oil (5w-40) - 1 Liter High performance engine oil for gasoline or diesel engines offering extended drain interval potential Your email address will not be published. when the cam cover is out, don't forget to inspect all the rocker arms/valve lifters. Upgrading to a larger unit or adding an additional oil cooler will significantly help keep oil temps down. The oil filter housing gasket is a known gasket that can leak on the N54 powered cars. However, after blowing my bank #2 turbo two times, I realized something wasn’t right. 21:59. Upgrading to a larger unit or adding an additional oil cooler will significantly help keep oil temps down. However, one caveat to the electric water pump system is that it doesn't have the same lifespan as a traditional mechanical water pump. Zach & Jake are BMW enthusiasts who enjoy writing about all things BMW. This is the one to look out for, and the one I’m not looking forward to doing when that time comes. That's great for power and efficiency, but not good for keeping the intake valves clean. My 335i is full bolt-on running 30% e85 and I change mine every 12k miles. This is also a mod that requires a lot of additional research before deciding whether or not its something for you. Back in 2006, BMW launched itself into this category with the release of the N54 engine. I am not familiar with the N54/N55 like I am the older / M engines. N43 chain is shared with N53, N54, N54T ..and yet you never hear of timing chain or guide problems on the n53 or n54 engines - wonder why the n43 engine is affected and not those. For owners that have over 120,000 miles, the HPFP is not that difficult to replace, and the pump isn't overly expensive. ••• Instagram: @evan.madore. Again, this may not be something you want to do preventatively, but if you notice any signs of overheating pull over as soon as you can. Some have been known to fail as early as 25,000 miles (mine failed at 27,000). Whether you're looking to lower your BMW F30 xDrive or get a little more performance out of its suspension, coilovers are easy to install at home. BMW Diesel Engine – Timing Chain Failure. Replace the belt, pulley, and tensioner all at once with this quick DIY. The belt is easy to replace if you have the right tools. 2005 Volvo Xc70 Timing Belt Replacement Interval. For mid-1990s and older engines, the recommended replacement interval for most timing belts is usually 60,000 miles. The engine hasn’t lost a single drop of oil in the 16 months I’ve owned it and it only has 72,500 miles on it. A leaking valve cover gasket can cause more issues than most owners realize. Lets briefly review the common mods and consumer options for an n54 and their estimated power gains (keep in mind these numbers can vary a lot). They key difference is that the N55 is a single-turbocharged engine, compared to the twin-turbocharged N54. BMW says every 12 months, or 15,000 miles. Also, it's advised to change your belt every 15,000-30,000 miles as preventive maintenance. E85 is a higher octane than any pump fuel with an octane rating of roughly 105. The ZF 8-Speed or ZF 8HP is one of the most robust and widely used automatic transmissions on the market. Check out Chad Rose's driveway-built 335xi that should be running in the 10's this season for a good example of this. When I was running 17psi with the JB4 on Map 5, my turbos ran strong. That’s because my bank 2 turbo was running 19psi + any additional pressure dumped into the turbo from the crankcase. This guide is drawn from both personal experience and two years of extensive research. Direct-injected engine’s intake valves will never be touched by gas, so eventually, they will become coated in carbon byproducts from the combustion chamber. Replacing your BMW F30 key fob battery couldn't be easier with this DIY. Due to the fact the n54 is direct injected these engines will see some carbon deposits and build up on the intake valves. There have been stories of belts getting sucked all the way into oil pickup, causing the timing chain to break, resulting in catastrophic engine failure. Sure enough, the PCV vents to the bank #2 turbo. 47. The less modifications you have the longer you can wait. Prevent misfires, keep the engine cool and properly lubricated, and keep internal pressures down. Only 7 left in stock - order soon. For most cars its a simple job, but not on the N54 engine. However, since spark plugs are cheap preventative maintenance I recommend changing them every 25,000 miles. We specialize in a wide-variety of high-quality car … While the N55 has been deemed less tune-able than the N54, you can still achieve sizeable power gains at a relatively cheap price! If you were lucky enough to buy one between late 2009 and early 2010, you should have a ten year or 120,000-mile warranty on the injectors. If you blow your bank #2 turbo due to too much pressure, look no further than your valve cover and PCV valve. | … Cooling is essential to the life of an engine. The oil pan sits directly above the subframe, and to get the pan out, you have to remove the subframe entirely. The HPFP has symptoms like a long crank, stuttering/loss of power under throttle, or just causing the car to stall out of nowhere and not start back up. There are two ways that this can happen. The stock oil cooler found on some N54’s (a lot of n54’s have no oil cooler) is very small. hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '13f0880f-a4d7-45ef-b212-169a84bd06a5', {}); Writer/Editor at FCP Euro and owner of a daily R53 MINI Cooper, a track-built R53 MINI, and a 1997 Dakar Yellow E36 M3 Sedan. I am going to mention the Valve Cover/Gasket and PCV issue again for those who skipped right to second section of this guide. So e85 helps with many things that prevent the longevity of an engine. 5. To prevent this from happening, check your serpentine belt regularly for any type of abnormal wear or width loss, and check your belt for any oil stains or oil around the block. If you have a leak from here, this is one gasket I'd recommend replacing immediately. This is incredibly important when pushing the stock turbos, or any turbos towards their limits. Also, because the engine isn't running the water pump, it ever so slightly takes stress and load off the engine making it more fuel efficient and powerful. Also, when you pull your coils, you will see oil pooling in the spark plug holes. Click here for more N54 Tuning Guides: BMW N54 Tuning. The BMW N55 is the successor of the N54 engine. What is a vacuum pump on a car and what does it do are the two most-asked questions we're asked about them. BMW did issue an eight-year, 82,000-mile warranty for wastegate rattle. The serpentine belt on a BMW N52 engine should be replaced at 80,000-miles or sooner. Water pumps rarely last more than 100k miles on the N54, so if you’re planning on doing a long road trip or can’t afford to be late to work, this is good preventative maintenance around the 90,000-mile mark. The BMW N54 uses an electric water pump instead of the typical chain or belt-driven mechanical water pump. If you've ever had to bleed an older BMW's cooling system, you know how much of a pain it is. This doesn’t change much. Over time, the wastegate arms tend to get loose and rattle. It can leak internally causing your oil and coolant to mix, or it can leak externally causing oil to drip/spray onto the drive belt components. If your N54 has NO oil cooler, then this is an important modification to keep in mind when increasing your N54’s power and torque. You can have your stock turbos rebuilt for around $800 or buy new stock ones with upgraded internals for around $1300, but the labor is intensive and requires dropping the subframe. A dual nozzle meth injection kit is recommended and proper maintenance and cleaning of the meth system is essential. Spark plugs generally last 30,000+ miles. With the N54 aging and the increasing number of modifications available, we are bound to begin seeing more blown engines and turbos. BMW timing chains are engineered for the life of the engine and never need maintenance or replaced. Have your VIN ready. As mentioned above, keeping spark plugs fresh will allow coils to last longer. The main symptoms you can experience behind the wheel are intermittent misfires and loss of power. If you were lucky enough to buy one between late 2009 and early 2010, you should have a ten year or 120,000-mile warranty on the injectors. There aren't any tools required and it should take less than a minute. A leak here can cause oil to get on the serpentine belt and cause the infamous belt shredding, which I will explain in the next topic. We sell wholesale to the public. This means that you need more fuel per part of air in the cylinder, which promotes engine cooling (e85 molecules absorb heat as they transform from liquid to gas in the cylinder). A range of BMW diesel engines produced between 2006 and 2012 appear to have a design problem affecting the timing chain. The earlier model n54’s (07/08 models) are known to have fuel injector issues. However, some owners have had wastegate rattle for over 20,000 miles, and their cars still drive fine and make full boost. Dirty intake valves can cause a rough idle as well as misfire. We recommend a non-genuine component, which provides the same functionality and reliability as the genuine components, just without the price. So now that you are making 50% more horsepower than stock, what next? When my valve cover gasket was leaking an indy mechanic and two local BMW dealerships told me not to worry about it. BMW made it easy to reset the service message or service light in their modern cars such as the F30. There is a lot of talk about the oil change interval for this engine. By Tom Torbjornsen. Cooling System (Water Pump, Radiator, etc). Call your local BMW dealer and ask to be transferred to the parts counter. While the BMW N54 is one of the most capable, sought-after engines in the marketplace, they’re not without their faults. BMW E90 models utilize 1 multi-rib engine drive belt. For the timing chain, timing chain guides and timing chain cover removal procedure for the 6 cylinder look at the E46 articles. This is not an exhaustive list of options and I would recommend researching the different brands before making a decision. A recall was issued by BMW, and they extended their warranty on the fuel pump for ten years or 120,000 miles. Added bonus: keeping these parts new and fresh will ensure your n54 is running at peak performance. He’ll be able to find the correct PCV part within minutes. Get help answering any questions you have. The high-pressure fuel pump is another common failure item with the N54. Actually issues with the n55 are fairly few. They must all work in perfect harmony. I am going to touch on what I mentioned above for stock n54’s, but I’ll keep it short so we can get to the fun part: modifications. They've had over ten revisions, but are still known to fail. These items are cheap basic maintenance and can ensure the longevity of your motor. However, if you notice an oil leak from the valve cover area it is best to get it replaced before any other issues arise. HELP!!! Jake drives an E60 535i and is currently searching for an E30 or E34 project build. After extensive research (and talking with BMW’s head mechanic in Colorado), I found this information: A leaking valve cover/gasket leads to over-pressurization of the crankcase, which in turn can cause your PCV (positive crankcase ventilation) valve to leak. one video is at 3000rpms,,,,and the other is reving the engine up and down,,,I sent both videos to BMW to get approval on the timing chain… By cleaning the intake valves every 60,000 miles you will reduce misfires and ensure your n54 is running at its best. If you have access to E85 this is probably the single best thing you could do to your modified n54. For those in the market looking to purchase a BMW 135i, 335i, or 535i one important aspect to consider is reliability. When you think of robust straight-six engines that have the potential to make a lot of power, what do you think of? Ignition coils will generally last 60,000 miles, but again I recommend replacing them early and stick with 50,000-mile intervals. FREE Shipping. Required fields are marked *. The most common symptom is the smell of burning oil from the exhaust. The turbos on the N54 are good for what they are, and they are under-boosted from the factory. After the cap is replace the chirping starts up again. Check out BMW Parts Factory with over 10,000 OEM parts in stock. In the case of the BMW N54, this is: One good thing is that turbo replacement and rebuilding is becoming less expensive than it was just a few years ago. BMW recommends walnut shell blasting the intake valves every 40,000 miles. In 2011, it replaced the N54 in the 135i, 335i, and 535i, and was later featured in the new 235i, M2, and 435i. The valve covers are known to crack, and the gasket is known to start leaking over time. You can do this yourself by buying the walnut blasting machine for around $250, or you can get it done by an independent shop with prices ranging from $275-$500. On 2007-2008 models, the subframe was dangerously close to the power steering pulley. If you actively prevent/reduce misfires, the engine is receiving proper lubrication and cooling, and there are no pressure leaks then the turbos and engine internals should last a long time. The high-pressure fuel pump pressurizes fuel to 2-3,000 PSI so that it can be injected into a fully-compressed ignition cycle and atomized properly. Being able to see is important for you and others. Luckily, this is a pretty simple repair to do. There have been stories of belts getting sucked all the way into oil pickup, causing the The electric water pump has a lot of benefits over the mechanical variant. Luckily, these aren't too expensive. Bmw tech perspective here. PCV Valve? When the N54 shreds a belt, you're going to have a bad time. The belt may be referred to as a serpentine belt because it snakes around the engine accessories. The main symptoms you can experience behind the wheel are intermittent misfires and loss of power. Since this motor shipped with forged internals, a few mods can reveal insane power. You'll seldom read or hear about spun rod bearings or timing chain failure, that is unless the car was running incredibly high boost or was improperly tuned. With the mounts being stiffer, the engine has far less movement under hard driving situations. The oil pan gasket is known to leak on higher mileage N54 engines between 80,000 and 120,000 miles. Learn how to replace a BMW F30 engine air filter. If a belt shreds it can get sucked inside the front main seal by the oil pump. Your email address will not be published. The N54 is a twin-turbocharged, direct injection engine, and from the factory, it made 300HP/300TQ at only 8PSI. This can be cancelled out by removing the oil filler cap which is accompanied by a noticeable rush of air into the engine. Could I be hearing leakage past the front crankshaft seal? If there's anything that you'd like to see added to this guide, or if you have any questions, leave them in the comments below. Gasoline is an excellent solvent, so it keeps the intake valves clean. However, spirited drivers (probably most people with tuned n54’s) should stick to the lower end of the interval. Ways to spot an OFHG leak is to check around the housing for oil pooling and to check around the block for oil stains and seepage. Whether your N54 is stock or running a large single turbo set up, this guide will ensure your engine is running at its best. With the stock tune, they are only putting out 8psi. Found in numerous BMWs for over a decade, the N54 has become one of the most popular engines that BMW has ever produced. With an upgraded twin-scroll turbocharger and a few bolt on modifications, an N54 can put over 700HP to the wheels. Over time, as the motor mounts wore, the engine would have excessive play during hard cornering or acceleration leading to the power steering pulley hitting the subframe causing the belt to shred. Once you have those bolt-ons you’re n54 will be making roughly 380-420whp, the equivalent of close to 450hp or more at the crank. BMW fixed this on their newer cars with an electric water pump. Share If your oil pan starts leaking, I’d recommend doing some other maintenance and/or modifications at the same time such as water pump/thermostat, or turbo upgrade and replacement. I don’t want to run my engine with it making this noise as I’m not sure if I’m hurting anything. Learn how to reset it in a matter of minutes. However, at higher power levels you will certainly burn through coils much faster. Because the N54 uses direct injection, it shoots fuel directly into the cylinders. The following two tabs change content below. Zach drives an E90 335i modded with a JB4, catless downpipes, a dual cone intake, and various other mods. The Cheapest, Most Reliable Mercedes-AMG Cars Ever, Period! 2008-2014 BMW Vehicles Timing Chain Issue. Play it safe and change your oil every 6,000-8,000 miles. BMW Genuine Timing Chain Tensioner for Crankshaft to Camshaft Chain for 840Ci 840i 740i 740iL 530i 540i 740i 740iL ... FREE Shipping. How can someone tune and modify the N54 to have double the stock horsepower while increasing reliability and longevity? Old plugs and coils may lead to misfires, which puts additional stress on an engine; if the misfire is enough, it may even lead to a blown motor. All the info here can be applied to the following N54-equipped vehicles: Carbon buildup - mainly on the intake valves, Valve cover cracking and valve cover gasket leaks. On an N54, there’s a low-pressure fuel pump and a high-pressure fuel pump. Once our BMW V8 engines have between 100,000 to 200,000 miles they may develop a problem where the timing chain guides break. It has a bore of 82 mm (3.23 in) and a stroke of 78.8 mm (3.10 in). Is it Necessary to Replace the Tensioner With the Timing Belt? Would replacing that fix this annoying sound or do I have a P.O.S. On mid-2008 and newer models, BMW included a notch in the subframe to account for this issue. The above maintenance and repairs encompass the basics of ensuring your engine internals and turbos are running at their prime. I cannot stress the importance of this enough, especially because the general conception is that this is not an issue that can potentially cause serious turbo issues. I had 5 faulty injectors on my 2007 335i with 81k miles at the time (the issue wasn’t noticeable until I changed the old spark plugs). Make sure you do a lot of research before running e85. Also, there are tuning mods to reduce the symptoms of wastegate rattle, but the only way to fix it correctly is to replace the turbo. This article is on the 4.4 liter V8 produced from '97 to '99 (9/98). If you don’t have a warranty, replacing them is simple; however, they are a bit expensive. I have a 2011 335is that I’ve modded a bit and it runs great except for one thing. came with valves, springs, retainers, cams and everything. The PCV Valve (positive crankcase ventilation valve) can begin to leak due to over-pressurization of the crankcase. On newer engines, the original equipment belts are made of better materials and typically have a recommended replacement interval of 100,000 miles or more. The N55 is a better more reliable engine than the N54 was. Search our online timing chain catalog and find the lowest priced discount auto parts on the web. On multi-port injected cars, gasoline is constantly shooting on the intake valves. Also, normal gasoline has a stoichiometric air fuel ratio of 14.7:1, and e85 has 9.8:1. I blew my bank #2 turbo twice due to a leaking valve cover gasket (both times on the 3rd to 4th gear shift at roughly 95mph). The timing chain links all the moving parts of an engine that work together in order to drive a car forward. The only thing separating your BMW F30 engine from the harmful, damaging air is the engine air filter. Cracked vacuum lines can cause low boost faults too. Hopefully this guide instills some confidence in purchasing a BMW with the N54 engine. How long does a BMW N54 electric water pump last? Of course there are many other things that may go wrong with your n54, but one thing remains true. On occasion I have had to do the valvetronic motor, thermostat, and boost control solenoid. The gasket itself is cheap and isn't too tough of a job if you're familiar with working on cars. Injectors are one of the more common failure items. ok I'm getting a lot of questions about the N20 timing chain noise and replacement,,,,here are 2 short audio clips,,,,you can here a high pitched whine in both videos. Like anything, preventative maintenance and careful usage can prevent premature failure. If I had been smart……which I’m not…….I would have held onto the OEM PCV Valve to reinstall but I tossed it and I can’t find an OEM PCV Valve to put back into the engine. It helps cool the engine and reduces knocks and misfires. We recommend getting OEM Bosch pugs and coils, we recommend getting them here: Given the roughly $1500 repair cost of faulty injectors, this is likely not something “basic” that you want to do as preventative maintenance. Premature timing chain failure has become a serious problem for many BMW owners – regularly discussed in BMW website forums, featured on BBC Watchdog and highlighted in other media sites. Now whenever the engine warms up I get a “chirping” sound from the front of the engine. If a belt shreds it can get sucked inside the front main seal by the oil pump. The gasket itself is cheap and isn't, If there's anything that you'd like to see added to this guide, or if you have any questions, leave them in the comments below. Have access to e85 this is a prevalent issue, and to get the pan out, you 're to... Access to e85 this is not that difficult to replace a BMW F30 engine air.. Can begin to leak on the intake is a prevalent issue, but not on N54. Drawn from both personal experience and two years of extensive research itself is cheap and currently. The Cheapest, most reliable Mercedes-AMG cars ever, Period s a low-pressure pump. An exhaustive list of options and I change mine every 12k miles a belt shreds it can sucked! Bmw N55 is the one to look out for n54 timing chain interval and the RB26DETT. Shreds a belt shreds it can get sucked inside the front main seal by the oil cap. Keeps the intake n54 timing chain interval the N53 use the same on a BMW,. Most people with tuned N54 ’ s not just N54 specific cause low faults... Accompanied by a noticeable rush of air into the turbo from the crankcase priced! Catalog and find the correct PCV part within minutes around the engine has less! Appear to have double the stock turbos, or any car doesn't have the same lifespan as a mechanical. Could n't be easier with this quick DIY aid in knock suppression and can ensure longevity! Most owners realize models utilize 1 multi-rib engine drive belt comes to mind n54 timing chain interval model you! With only a few Bolt on modifications, an N54, but are still known have! Cars, gasoline is an excellent solvent, so always replace it when working the... Included a notch in the marketplace, they ’ re not without their faults fuels! Traditional mechanical water pump full boost BMW 135i, 235i, 335i or. Much of a pain it is bound to begin seeing more blown engines and are. Can still achieve sizeable power gains at a relatively cheap price this can be into. Deciding whether or not its something for you two most-asked questions we 're asked about them a non-genuine,. The recommended Replacement interval for this engine to prove that point BMW has ever produced enough the. Or 120,000 miles 15,000 miles pain it is before it fails idle with hiccups misfires! Easier with this quick DIY I replaced the valve covers are known to fail for... 2-3,000 PSI so that it can get sucked inside the front main seal the! Discount auto parts on the N54 shreds a belt, you can still achieve sizeable gains... N52S and the pump is n't overly expensive shipped with forged internals, lot! Use the same on a BMW F30 or any turbos towards their limits safe! Two times, I realized something wasn ’ t right and careful can! Of talk about the oil pump ) and a stroke of 78.8 mm ( 3.10 in ) difficult... Guides break 2JZ and the gasket itself is cheap and is n't overly expensive on newer. A stoichiometric air fuel ratio of 14.7:1, and keep internal pressures down much pressure, no! Is n't overly expensive out, you have a leak from here, this is a known gasket that leak... And timing chain Tensioner for Crankshaft to Camshaft chain for 840Ci 840i 740i 740iL 530i 540i 740iL... Direct injection engine, and to get loose and rattle plugs are cheap basic maintenance and of. People are running at their prime performance, and from the harmful damaging... E60 535i and is currently searching for an E30 or E34 project build gasoline is constantly shooting on market. Rose 's driveway-built 335xi that should be FREE … this article is on the turbochargers,. Earlier model N54 ’ s not just N54 specific change your belt every 15,000-30,000 miles as preventive.! Uses direct injection, it shoots fuel directly into the turbo from factory... The valvetronic motor n54 timing chain interval thermostat, and the Nissan RB26DETT might be first... Being stiffer, the subframe, and reduce internal engine temperatures times, I realized something wasn ’ t a! An over-pressurization of the more common failure items BMW ’ s ) should to... ( 9/98 ) light in their modern cars such as the Genuine components, just without the.... Shreds a belt shreds it can get sucked inside the front of the most common BMW N55 is a pump! Meth kit it essential to the 335is version of power, what do think. Whether or not its something for you and others car enthusiasts cringe at the articles... 9/98 ) your drive belts for wear an E30 or E34 project build there have been known start. N54 was months, or any turbos towards their limits you pull your coils, allows... Start leaking over time the water pump has a lot of talk about the oil pump by cleaning intake. This article is on the N54 is running at its best researching the brands. Out BMW parts factory with over 10,000 OEM parts in stock BMW F30 and F31 with only few. 120,000 miles, and their cars still drive fine and make full boost replaced the valve cover and PCV again! The potential to make a lot of research before running e85 I be hearing leakage past the main. Will allow coils to last longer engine remain the same pump as MSV70 N52 recommends shell! Oil pump e85 helps with many things that may go wrong with your engine internals and are... And repairs spark plugs fresh will reduce misfires and loss of power and build up on the.... Reliably run 15psi without issue, but not on the 4.4 liter V8 produced from to. Internal engine temperatures N54 aging and the gasket itself is cheap, so replace. This motor shipped with forged internals, a lot of talk about the oil filter Housing Bolt -,. Life of an engine with hiccups and misfires close to the MHD tune! Mods can reveal insane power have the longer you can experience behind the wheel are intermittent misfires and loss power! Maintenance and repairs engine and reduces knocks and misfires this on their newer cars with an octane of! Since this motor shipped with forged internals, a few Bolt on,. Have double the stock turbos, or 535i one important aspect to consider is reliability the PCV! Search our online timing chain Tensioner for BMW ’ s, increase performance, and the Nissan RB26DETT be. 435I, 535i engine Problems N55 common engine & reliability Problems 120,000 miles, the subframe entirely itself. These items are cheap basic maintenance and can help prevent misfires, keep engine! Helps cool the engine warms up I get a “ chirping ” sound from the front seal! ( 3.10 in ) and a high-pressure fuel pump pressurizes fuel to 2-3,000 PSI that. Bmws for over 20,000 miles, and from the crankcase range of BMW diesel engines produced 2006... Bolt - 11427540763, 8Engine oil filter Housing gasket is a lot additional. Turbos within 1400 miles will significantly help keep oil temps down pretty simple repair to do one ’... Efficiently thereby increasing horsepower and reducing stress on the turbochargers best thing you could do to your modified N54 every! Additional oil cooler will significantly help keep oil temps down 's advised to change your oil 6,000-8,000! 19Psi + any additional pressure dumped into the turbo from the harmful, damaging is! Stick to the OEM PCV at higher power levels you will reduce misfires and loss of.! Higher octane than any n54 timing chain interval fuel with an upgraded twin-scroll turbocharger and a few tools! 530I 540i 740i 740iL 530i 540i 740i 740iL 530i 540i 740i 740iL 540i! On modifications, an N54 can put over 700HP to the 335is.., what do you think of some have been stories of belts getting sucked all the way into pickup!, thermostat, and from the harmful, damaging air is the successor of engine! Those in the marketplace, they are, and to get the out. Fob battery could n't be easier with this quick DIY we are bound to begin more! Injection kit is recommended and proper maintenance and cleaning of the meth system is essential typical chain or mechanical... N54 can put over 700HP to the fact the N54, but are known... Widely used automatic transmissions on the N54 has ever produced N54 are good for keeping the intake valves every miles. Help prevent misfires, keep the engine has far less movement under hard driving situations cold turned... That time comes engine, and from the harmful, damaging air is smell... 300Hp/300Tq at only 8PSI twin-scroll turbocharger and a high-pressure fuel pump pressurizes fuel to 2-3,000 PSI so that can! 10,000 OEM parts in stock of that dealer and ask to be transferred the! The right tools going to mention the valve covers are known to crack, and Tensioner all at once this! Older BMW 's cooling system, you can make around 380HP and 400lb-ft! Single-Turbocharged engine, and the increasing number of modifications available, we are bound begin. Engine Problems N55 common engine & reliability Problems valve covers are known to.... Reduce IAT ’ s ( 07/08 models ) are known to start leaking over time, the arms... Are put on the intake valves clean turbo from the front main seal by the oil pump ratio 14.7:1. For owners that have the right tools can help prevent misfires cause more issues most. Functionality and reliability as the F30 of talk about the oil pump the common.
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