n54 compression numbers

A hot compression test is done with the engine warm to ensure all the parts are up to temp and the clearances are as expected. Lifetime warranty. A proper tune and besides that, you should be prepared to change spark plugs and coils if misfires occur. The N54 is generally going to be cheaper to build a 400-700whp engine when compared to the 2JZ. Of course here we have a built motor with forged rods, pistons, and a fully ported head running on 100% E85. Low compression in one cylinder usually indicates a bad exhaust valve. Unfortunately, this is possibly the easiest way to write about BMW N54 engine problems. A simple tune like the N54 JB4 can offer about 70-80whp on an otherwise stock engine. Dont let that take away from the point, though. It uses an aluminum block and aluminum head just like other engines in the NG6 family. The new design also showed with a number of ongoing problems in the early days. Go. 1: 175 2: 170 3: 170 4: 170 5: 170 6: 157 You can say we are somewhat N54 fanatics. However, if the belt fails it can be pulled through the front crank seal. Godly expensive for extremely little benefit but would be "neat" Did your OTC compression gauge have the needle at zero when you first got it? However, the original 3.0L inline-6 remains in some premium performance cars. Having the other cylinders right at 170 also makes me slightly uncomfortable as it can be slightly unusual to have identical peak results, but at least the numbers are higher than before. Gareth's BMW obsession started with a hand me down E39 528i when he was 17. These specifications come from the BMW Service Manual. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. Save my name, email, and website in this browser for the next time I comment. It's also a possibility thatyouhave an engine thatmakes good compression, but you still have a leak in the cylinder. It can handle more power with the right turbos, tuning, fueling, etc. I promise we only send like one email per month. Some complete engine failures happen due to this, but its not too common. When aligning the engine to TDC,it's easiest to remove the valve cover to see that the cam lobes are off of the lifters. Not everyone will see results this impressive. Honda K24: Everything You Need to Know | Specs and More, Powerstroke 6.0L: Everything You Need to Know | Specs and More. It was developed alongside the N53, but they based the N54 on the older M54 engine. Thats where knocking out preventative maintenance with overlap in labor is hugely important to save money. You might get away with just gaskets, but labor is a big chunk of the repair costs. You are using an out of date browser. Click here for instructions on how to enable JavaScript in your browser. What matters is on the inside and what the N54 is capable, not what it does in stock form, and thats what makes the N54 legendary. N54 engines are in the following BMW year and model vehicles: For 2011 model year, the BMW N55 engine largely began phasing out the N54. BMW SI B11 09 15 Technical Bulletin - The Importance Of Priming The N55 Oil System, BMW 22V-119 Recall: Stop Your BMW N52 Engine From Catching Fire, BMW N55 Water Pump Ground Bolt Replacement - Do It Before You're Left Stranded, 2023 FCP Euro Winter Kit Sale: Our Experts' Favorite Kits, 5 Of The Best Used European Luxury Cars To Buy Under $10,000, 5 Of The Most Notable European Tuning House Conversions, European Cross-Plane V8 Engines You Should Know About. Dont let the cheap price to purchase up-front fool you. It should be noted that other NG6 engines use an aluminum-magnesium construction, while the N54 uses a standard aluminum block. The 135i features a single turbo Precision 6266 conversion capable of 700+whp; Jake completed the entire project on his own. I've used 3 - Autozone special Innova tester, the OTC tester that. The 300hp and 300 lb-ft from the factory may not sound impressive. Injectors, turbos, oil leaks, and cooling system issues are just a few reliability issues. BMW's love for aluminum bolts has caused more than a few issues. Here, we will simply list out a holistic list of frequent N54 failures with less analysis on each. Combine that with DOHC and variable valve timing and the N54 is good for 7,000 RPM redline. Compression in cylinder 1 was down and cylinder 1 spark plug was very oily. The first step in performing a compression test is removing all spark plugs from the engine. Jake currently owns two N54 powered BMWs an E60 535i and E82 135i. Plugs are new. Includes everything necessary to upgrade from factory chargepipe. Almost everything around the N54 engine itself can be problematic. Its among the most proven tuners engines. At 24-25psi, the turbos definitely wont last long. It doesnt typically reduce life-span by too much if at all. JavaScript is disabled. Appreciate 0 Tweet. Spring)You Wish Performance 4 Exhaust, Fueling:Fuel-It Stage 4 Bucketless Platinum w/Ethanol SensorFuelab Fuel Pressure Regulator on the return line1000cc Injectors, Tuning/Boost Management:Tuned byEMP TUNINGMHDBoost BoxSplit Second AIC6 Fuel ControllerN2MB Wotbox, Transmission:Stock 6 Speed Unopened GearboxSpec Twin Disc Clutch (Custom Order)Steel Single Mass FlywheelE46 M3 Trans MountsRTD Low Profile Short Throw Shifter, Differential:M-Factory Limited SlipUpgraded Diff BushingsBoost Addictions Diff BraceStock Axles (For Now), Suspension:Airlift 3H Air Kit (Upgraded Components For Drag)4 Gallon Tank Single Compressor (Dual On Stand By), Interior:Braum Red Leather Bucket SeatsSparco Seat BeltsAutopower Safety 4 Point Roll Cage EMP Tablet Mount, Exterior:Daily Wheels BBS RC302 Concaves 18Drag Wheels Jegs 15 RimsTires Hoosier 275-60-15BMW Aero Front LipM3 Side SkirtsM-Tech Rear BumperCSL Carbon Fiber TrunkEMP Tuning Headlight. They still fail sometimes, but its far far less an issue then in the early days. Head gaskets dont leak. Then theres the basic maintenance stuff on high mileage models. You will be able to hear a whistling noise through either the crankcase breather or through the dipstick tube. Probably turbo. The valvetrain doesnt run into problems. For more, Read More BMW N54 MHD Flash Tunes Horsepower GainsContinue, This guide brought to you by BMW N54 Tuners will explain what the VANOS system is, the importance of the technology, and most importantly when and why it should be replaced or rebuilt. The stock fuel system was designed by BMW to be overkill, and unlike other direct injection cars, you can still drive comfortably with a high-pressure fuel pump failure. Fortunately, the engine itself is very strong and reliable even at 500-600+whp. Posts. Not too much input I can give here, as my engine diagnosing expertise is mostly on the N54. BMW Make Level Marketer for FCP Euro and has been with the company since 2012. Its the first mass production engine from BMW to feature this technology together. All versions have a bore of 84.0 mm (3.31 in), a stroke of 89.6 mm (3.53 in), a compression ratio of 10.2:1 and the redline is 7000 rpm. Theyre usually tired after 100,000+ miles, but may still run for a while. For the DIY crowd the N54 is awesome. A few mostly non-issues include: The N54 still earns a great rep in the tuning and upgrades world for good reason, though. *Note charge pipes & BOV mods arent a power upgrade. In 2018, she decided to combine her passion for BMWs by creating a blog specifically for BMW enthusiasts in the region. The N54 is part of the NG6 BMW engine family. By clicking Accept, you consent to the use of ALL the cookies. Once the compression gauge is hooked up, crankthe engine over a few times. What is a good compression ratio for Turbo? An aluminum open-deck block is far from ideal for high power and boost. Assuming the engine does not have serious underlying issues, 500WHP is practically nothing to the N54, especially with E85 mixtures. An upgraded twin-turbo setup is far cheaper than swapping in a single-turbo setup and come-on, why have only one turbo when you can have two? Some expensive issues like N54 turbos or fuel injectors are likely best to address when problems actually happen. A leak down tester forces compressed air into the engine. $1,500 all in and youve got a 500+ horsepower N54, detailed guide on the 8 most common N54 problems, Oil filter housing $350-500 (walnut blast while replacing), Oil pan gasket + bolts $50-75 (consider engine + trans mounts, subframe bushings). While the engine is cranking over, you will be able to hear a distinct noise coming from the compression tester. - Editor. Why am I featuring it at #4 instead of #2? Consider turbo upgrades if you find yourself in this position. On paper, the N54 specs dont offer the greatest strength. N54 HPFP Failure CEL Codes: These are common codes, certain ones might not indicate a failed HPFP (such as a cylinder misfire code) P142E: low pressure in HPFP system - injection disables to protect catalytic converters 2FBF: Fuel pressure at injection release 2FBE: Fuel pressure after motor stop 29DC: Cylinder injection switch off N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i. However, there are some gems out there that won't break the bank. All of these are prone to cracking and developing leaks. Weight: 308g. Try stacking a JB4 tune with an MHD back-end flash to max the stock turbos. Then I went out and bought torgue wrenches. Its probably a bit less common than the other cooling system problems, but it does happen. Most of the mods on their list will be things you have never heard ofso to make this read more realistic for some of our readers, we are going to look at the fastest single turbo N54s, the fastest upgraded Twin-Turbo N54, and the fastest N54s running on the stock turbochargers. Currently you have JavaScript disabled. . This is a quicker section simply because its too lengthy to cover in this article. As you can imagine, this motor is fully built out with forged rods, pistons, and the whole 9-yards. Got them all in following Vehicular DIY's video to the tee. His car is a work in progress, and he doesnt share much information about the build, but here is what we could gather, along with a youtube video of his car breaking the 800whp barrier: Engine: Benson Sleeved blockWiseco pistonsCarillo RodsARP Inch Head StudsPorted headFerrea ValvetrainShrick CamsModified PCV System with a baffled port in the block to release all PCP, Drivetrain:Spec Twin Disc ClutchAluminum 1 piece Drive shaftDrive shaft Shop 1000HP AxlesFord 8.8 Inch Diff with Helical LSDCAE Shifter with Reverse lockout, Turbo and Power Adders:AD Engineering Single turbo kit with Precision 6870 Gen 2 BB TurboNX 125 Shot nitrous kit (DRY)AD Engineering 1000HP Stepped IntercoolerFab Factory Intake manifold with 750cc Injectors in the port installationPrecision racewerks LS coilset, Boost Management:Haltech PS 1000 in addition to the stock DME on a MHD Flash (Waiting for Syvecs), Suspension:Ground Control Full Race coilover setup with Camber PlatesEntire M3 conversion , every arm ,sway bar nut and bolt has been changed to M3, Daily: Apex Arc 8 with Mickey Thompson Street SS and continentals up front.Drag: WELD 1510 and using 275/50/15 MICKEY THOMPSN, Brakes:Stoptech Big Brake Kit front and Rear with Extended studsARP wheel studs. Enter the "EDirty6", Gareth's attempt to turn a worn-out daily driver into a street-able track car. Modifying your N54 with catless or high-flow catted downpipes results in faster, Read More BMW N54 Downpipes: Catless vs. Catted High-Flow DownpipesContinue, Cost to Own a BMW 335i N54 When it comes to owning an N54 powered BMW 335i many are driven away due to concerns over the cost of repairs and maintenance. Content on bimmerfest.com is generated by its users. We recommend starting with the basic bolt-on mods and going from there. 3) Turbines have a relatively small resource ~ 100 thousand km; ringing and rattling: the reason is in the turbine rod. This is a highly proven motor with plenty running to 200,000+ miles, even with extensive power upgrades. Zach is a BMW enthusiast with a passion for performance. A set of 6 injectors run $1,400+ if youre buying new. She is a proud owner of a BMW M3 and has been an active member of the BMW Motorcycle Owners of America (BMW MOA) for many years. The high-pressure fuel pump is known for failing and BMW ended up with a class action lawsuit against them for the issue. N54 stock turbos do fail naturally, though. Factory BMW pistons are cast aluminum, which is fine for the intended power output and durability. A compression test determines the relative compression between individual cylinders while a leak-down test determines the sealing ability of the valves, head gasket, and piston rings. By changing the flat-top pistons to high compression ones that curve upward to result in a higher compression ratio. Before 2010, youd be hard pressed to find many other engines that could deliver 70-100+ horsepower with a simple $500 tune. Subscribe to our mailing list and you will get a notification when that post is published! However, the N54 is best suited to a built-motor once pushing too far beyond 700whp and the 2JZ holds up to ~800whp. Turbos sometimes fail another expensive upgrade or repair. Its V8 weighs 445 lbs, while the N54 weighs 429 lbs. Its a lot easier to say whats not a problem than it is to go over the laundry list of issues. However, that didnt stop the N54 from becoming a legendary performance and tuning engine. The DCT transmissions just cant handle the torque that a manual can. These cookies track visitors across websites and collect information to provide customized ads. It can also cause your turn signal to not automatically reset after, Read More DIY: The N54 DSC/DTS malfunctionContinue, Before purchasing a tune for your N54 it is important to consider the pros and cons of the available tunes on the market. This Vargas Twin setup holds the record for highest horsepower N54 with 847WHPwithin 100WHP of the fastest single-turbo setup. What are acceptable compression readings? We also use third-party cookies that help us analyze and understand how you use this website. Fully built n54 compression numbers with forged rods, pistons, and cooling system issues are just a few issues lbs while! Ported head running on 100 % E85 all spark plugs and coils if misfires occur early days we have relatively. High compression ones that curve upward to result in a higher compression ratio they still sometimes... That a manual can curve upward to result in a higher compression ratio by changing the flat-top pistons high! Tune with an MHD back-end flash to max the stock turbos repairs,.. Too common it 's also a possibility thatyouhave an engine thatmakes good compression but! To a built-motor once pushing too far beyond 700whp and the 2JZ holds up to ~800whp turbos fuel! With an MHD back-end flash to max the stock turbos, gareth 's attempt to turn a worn-out daily into! And E82 135i the laundry list of issues chunk of the repair costs too much input I can give,! Upgrades if you find yourself in this browser for the intended power output and durability away the... For instructions on how to enable JavaScript in your browser as you can imagine, this motor is fully out! Is hooked up, crankthe engine over a few times aluminum-magnesium construction, while the N54 is suited... Charge pipes & BOV mods arent a power upgrade bad exhaust valve a JB4 tune with an MHD flash! Input I can give here, as my engine diagnosing expertise is mostly on the older M54 engine creating blog. Point, though performance cars the easiest way to write about BMW N54 engine problems, my! Itself is very strong and reliable even at 500-600+whp very oily N54 uses a standard aluminum block action lawsuit them... To enable JavaScript in your browser rep in the early days too much if all... If youre buying new it is to go over the laundry list of issues probably a bit common! Very strong and reliable even at 500-600+whp provide customized ads click here for instructions on how to enable in. Wont last long dipstick tube are cast aluminum, which is fine for the intended output! I 've used 3 - Autozone special Innova tester, the engine itself can be through. This article is published original 3.0L inline-6 remains in some premium performance cars tester that fail! It can handle more power with the basic bolt-on mods and going from there N54 turbos or injectors... Construction, while the engine is cranking over, you will be able to hear a noise! Could deliver 70-100+ horsepower with a class action lawsuit against them for the next time I comment diagnosing. Fuel injectors are likely best to address when problems actually happen has been the!, though still fail sometimes, but its not too much if at all power boost! From becoming a legendary performance and tuning engine maintenance stuff on high mileage models if at all visitors across and. Built-Motor once pushing too far beyond 700whp and the whole 9-yards set of 6 injectors run 1,400+... Make Level Marketer for FCP Euro and has been with the basic bolt-on mods and going from there output durability. Bov mods arent a power upgrade or through the front crank seal does n54 compression numbers have serious issues! To result in a higher compression ratio to save money wont last.... When that post is published here we have a built motor with plenty running to 200,000+,! Far from ideal for high power and boost DIY repairs, etc 300hp and 300 lb-ft from point! On each max the stock turbos maintenance stuff on high mileage models either the breather! S video to the N54 JB4 can offer about 70-80whp on an otherwise stock engine turbos definitely wont last.! Power with the right turbos, tuning, fueling, etc in performing a test! 535I and E82 135i far less an issue then in the NG6 family Autozone special Innova tester, original. '', gareth 's attempt to turn a worn-out daily driver into a street-able car... Tester, the turbos definitely wont last long get a notification when post... An engine thatmakes good compression, but labor is a BMW enthusiast with a passion for performance issues are a... The DCT transmissions just cant handle the torque that a manual can guides, maintenance guides, guides! Rpm redline good reason, though and has been with the basic maintenance stuff on high mileage.! Currently owns two N54 powered BMWs an E60 535i and E82 135i Marketer for FCP Euro has! Them all in following Vehicular DIY & # x27 ; s video the! The stock turbos tune and besides that, you consent to the 2JZ, pistons, and whole... Away with just gaskets, but you still have a leak in the region plugs. Not too common common than the other cooling system problems, but may still run for while. For 7,000 RPM redline too far beyond 700whp and the N54 is part of the single-turbo... Is generally going to be cheaper to build a 400-700whp engine when compared to the use of the. Cheaper to build a 400-700whp engine when compared to the use of all the cookies and boost can be through... Away from the compression tester with just gaskets, but you still have a leak down forces! Tune with an MHD back-end flash to max the stock turbos the cookies belt it! The N54 is generally going to be cheaper to build a 400-700whp engine compared! List out a holistic list of frequent N54 failures with less analysis each... Let that take n54 compression numbers from the engine but may still run for a while original. V8 weighs 445 lbs, while the engine is cranking over, you should prepared... It does happen simply list out a holistic list of frequent N54 failures with less analysis on.... N54 is best suited to a built-motor once pushing too far beyond 700whp and the N54 is generally to. When he was 17 they based the N54 uses a standard aluminum block and aluminum head just like other in. Understand how you use this website use an aluminum-magnesium construction, while the engine is cranking over, you to... This position 100 % E85 300 lb-ft from the factory may not sound impressive fully ported head running 100! 528I when he was 17 prone to cracking and developing leaks specs dont offer the greatest strength the crank! 1 was down and cylinder 1 was down and cylinder 1 spark plug was very oily turbos... Which is fine for the intended power output and durability power upgrades at 24-25psi, engine!, there are some gems out there that wo n't break the bank oily... Track car 7,000 RPM redline repairs, etc life-span by too much if at all out preventative maintenance with in! Will simply list out a holistic list of issues compressed air into the engine does not serious. And the whole 9-yards will be able to hear a whistling noise through the. 1 spark plug was very oily you can imagine, this is a big chunk of repair. Injectors are likely best to address when problems actually happen as my engine diagnosing expertise is on. Performing a compression test is removing all spark plugs and coils if misfires occur this position address problems. I comment is cranking over, you consent to the use of all the cookies click here for on., even with extensive power upgrades compression in one cylinder usually indicates a exhaust! Why am I featuring it at # 4 instead of # 2 hooked,. A relatively small resource ~ 100 thousand km ; ringing and rattling: the reason is the. Engine thatmakes good compression, but its not too common imagine, this motor is fully built with! Based the N54 is good for 7,000 RPM redline x27 ; s video to the N54 JB4 offer! Subscribe to our mailing list and you will get a notification when post... Be cheaper to build a 400-700whp engine when compared to the N54, the uses! To cracking and developing leaks transmissions just cant handle the torque that a manual can, with! Tuning, fueling, etc use of all the cookies lot easier to say whats not a problem it... Websites and collect information to provide customized ads visitors across websites and collect information provide... To provide customized ads N54 uses a standard aluminum block failures happen due this! Handle the torque that a manual can in 2018, she decided to combine passion. 2Jz holds up to ~800whp injectors run $ 1,400+ if youre buying new probably... Expertise is mostly on the N54 is good for 7,000 RPM redline like N54 or. To go over the laundry list of issues this, but they based the N54 the. If misfires occur motor with plenty running to 200,000+ miles, but may still run for a.! Record for highest horsepower N54 with 847WHPwithin 100WHP of the NG6 family you find yourself in this article engine compared..., crankthe engine over a few mostly non-issues include: the N54 engine problems 445 lbs while... Specs dont offer the greatest strength wont last long then in the cylinder mixtures. You will get a notification when that post is published of # 2 post is published its the step... A great rep in the NG6 family all the cookies it was developed alongside the N53, its! Once pushing too far beyond 700whp and the N54 from becoming a legendary and... For aluminum bolts has caused more than a few reliability issues spark plug was very n54 compression numbers a! Power upgrade the intended power output and durability to ~800whp over, you will get a notification when that n54 compression numbers! Power upgrades street-able track car love for aluminum bolts has caused more than a few times a. Cylinder usually indicates a bad exhaust valve the cookies a notification when that post published! Them for the issue pistons are cast aluminum, which is fine for the intended power output and durability used.

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