ago At high mileage, I'm seeing: cracked a/c compressor, cracked evap lines, cracked intake piping, Vanos solenoids, water pump, fuel injectors. Currently stock on stage 1. Nonetheless, we think its natural progression with BMW tuning in general. Weve always run 50/50 coolant/water mixes (as with many others since thats the recommended ratio). BMW replacing whole engine with a new one. As the newest engine on the list, the BMW B58 had a huge reputation to live up to. Only truly good engines bmw made were M20B20 series(2.0, 2.5 , 2.7) and the big sixes M30B35 along with all its smaller or bigger versions. Be prepared for potential B58 oil leaks from the valve cover gasket. On paper, the B58 should match, if not exceed, the N54 for strength and durability. We are seeing a bit of a resurgence in the I6 recently, now mostly forced induction. It says a lot that Toyota opted to use the B58 in a model that made them known for building a beautiful engine in the 2jz. You shouldn't notice any B58 drive-ability issues with a leaking valve cover and/or gasket. Hello and thanks for the great article! B58 is obviously a winner. Only reason I was asking if you can swap the B58 into a 335i coupe is because I was reading about the reliability and performance reviews on the B58, and it seems like an engine made by the BMW Gods. Stock Power: ~330hpWorld Record HP: 655WHPDisplacement: 2998cc (2.998L)Turbocharger: Single Twin Power TurboCompression: 11.0 to 1Bore x Stroke: 82.0mm x 94.6mm (3.23in x 3.72in)Internals: Forged crank and rods. Before some people will get but hurt and start flame war I dont hate on rednecks. There are more tuning options available, however, the N55 single turbo design limits it tuneability as compared to the twin turbo S55. BMW replaced it under warranty as one would expect. Disclaimer: This site contains affiliate links. The ones that did exist were small and it was a much much smaller market prior to the turbo era. F11 151k miles (now only tuned by 30%, in the past was tuned onev 40%) With 355 hp and 369 lb-ft of torque, the B58 provides power to a series of BMWs, from the X3 M40i to the M240i and the new X5 xDrive40i. And if they are, can the transmission ratio be changed? I have 7 series with N55, I did remap (stage 1) and able to gain 400hp and 560NM torque. Toyota is well known for its masterpiece in the old Supras the legendary 2jz. Yes, B58 is reliable. Thank you. Now, this specific N54 consumes minimal oil (frequently makes its 6000 mile OCI without needing any top offs) so this is definitely not the norm. Spark plugs, coils, fuel injectors, flywheel, cylinder head all replaced but never fixed the issue. A member of BMW's modular engine family which includes the B38 three-cylinder and B48 four-cylinder, the B58 followed up on the reliability and success of the N55, and has won . It will save you tone of money in unnecessary repairs bills. As B58 water pumps reach high mileages, they tend to release coolant from the weep hole on the bottom of the water pump assembly. The B58 uses two solenoids. All things considered, the N55 was still an improvement over the N54 in terms of reliability. Stock Power: 300 HPWorld Record HP: 978 WHP (~1150hp at the crank assuming 15% drivetrain loss)Displacement: 2979cc (2.979L)Turbocharger: Twin turboCompression: 10.2 to 1Bore x Stroke: 84.0mm (3.31) x 89.6mm (3.53)Internals: Forged crank and rods. When your BMW B58's PCV valve fails, or is nearing failure, one of the most common symptoms is smoke coming from your exhaust. Im building a highway cruiser with eye opening off the line capability, but the 24.5 tires (largest that will fit and not look out of place) make for high engine revs at interstate speeds. Notably, the engine stepped down from the true twin turbo design, found in the N54, to a twin power single turbo. Just about every part of the S55 is bigger, better, and stronger than on the N54. All rights reserved. Cast pistons.Block Design: Closed DeckRedline: 7000. Agree with you both there Tazzieman/Spjnr. BMW's B58 engine is a turbocharged straight-six engine that began production in 2015 and has been named Ward's 10 Best Engines multiple times. Not only do they produce significant power, but the engines also do so without much turbo lag and long power bands. The N55 is reliable enough, and a significant improvement over its predecessor, but the B58 is stronger and more reliable than its older brother. With the extensive list of common problems, it is fair to say the BMW N54 is not cheap to own or maintain. A forged crank and rods from the factory mean the N54 internals are built to handle some serious abuse; the pistons are cast, but very high-quality cast pistons that can handle serious power and abuse too. Stock power comes in significantly underrated at 424hp, while independent testing shows similar numbers to the wheels. BMW's B58 and S55 engines are newer, so more issues may pop up down the road. Or you may be getting the more expensive stuff and driving 15,000 miles a year. To find out more, read our Privacy Policy. So please stop sawing the disinformation about bad bmw reliability, that typically is hallmark of Fix Or Repair Daily shitboxes. Im not sure what my fault codes were if they even point toward the VANOS but my car is hesitant when accelerating, surging at times and seems like its lacking power.. its definitely not a smooth ride and has been a persistent problem even after the parts mentioned above being replaced. Right by the timing chainat the back of the engine. Usually, owners dont report major issue. Ultimately its up to you ( sorry for being blunt, but keep reading there is a point to that ;D ), brand new car = least issue & most money, old ragged car = cheapest & most issues. I hope to get a 2015 M3 in a few years time as i would love to drive the S55! Change places of where your camera is so you can better locate it etc. My m140i has now been back to the dealers 3 times in the last 9 days.They have done a software update and said it would cure the problem of power surging at low rpm,or when the car is underload. That motor has been converted to E85 port injection, Giant Air-to-Air intercooler. The closed deck block is huge, but the N54 never really had issues with the open deck design. However, this may not be necessary in most cases. Although not the strongest engine on paper, the N54 shattered the expectations of most as it continued to eat up everything thrown at it and seemingly beg for more. The B58 engine is the successor to the N55 engine. Take this in for a moment - assuming a 12% drivetrain loss those numbers represent 602hp and 636 torque. In reality, it was worse than the factory part. If you are interested in learning more about the BMW B58 engine as a whole, check out our BMW B58 FAQ guide. One of the most common routes is to install a PCV vent system, permanently bypassing the flimsy diaphragm and venting bypass gasses into either a catch can or another destination. Although, Im not sure if they have anything for the M340i. Thank you, Zach! *Valve cover gasket should be replaced any time the valve cover is removed. Original BMW coolant (the one in 1.5 litre bottles) has boiling point of 180 C and when pressurised in normal coolant loop, boiling point raises to 190 ~ 200 C however if you mix it with water 50-50% you can expect those numbers to be 140C for unpressurised, 150-1160 C pressurised. It is tough to find a clean M3/M4 for less than $45,000 today so the performance comes at a steep cost up-front. Whats your thoughts on this? Im not sure when we can have our cars looked at but it would be interesting to know how you get on when the time comes. Thanks for the clarification and reply. There was a recall issued in 2016 for a small batch of B58 engine to check and Replace Crankshaft Guide Bearing. BMW B58 Reliability. The BMW N55 followed the N54 with its initial release in the 335i beginning in 2010. I have a 2018 440i with the OEM Power and sound kit and Dinan air intake for added HP. You can say we are somewhat N54 fanatics. And for those with lots of money to spend theres the Ford BARRA 4.0 straight six engine! Some just keep looking at the past with rose tinted glasses. Oil leaks around the valve covers and oil filter housing are common problems in most BMWs as the gaskets break down and slowly harden over time and heat cycles. Though the N55 does not earn the highest remarks for reliability, it is not to suggest the N55 is a terribly unreliable car. I found remove driver side first. As such, it can't hurt to replace the valve cover while you're in there. Note that this doesnt mean that your N55 BMW will eventually suffer from all these issues, but they can potentially become a problem the higher the cars mileage. Just purchased a 2021 M340. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. Scotland to be precise. An improved engine block, internals, and the addition of a second turbocharger make the S55 a performance engine to drool over. Fortunately, this does not seem to be the case apart from the random, flukey issues. BMW has had its share of reliability issues over the years, but it's safe to say that their engines are, in general, pretty robust. Most of people (and stupid technicians) think that coolant has glycol to stop it from freezing, why this is also reason to use it, glycol is predominantly used as anti boil. Certain G series models began receiving the updated B58TU1 in 2019. Were very interested to see what the safe upper limits of the B58 end up being. Its combination of attributes has no equal among six-cylinder engines on the market. When the 3's current G20 generation debuted for 2019, it initially only came with the 252-hp turbocharged 2. . A code scan revealed code P0012. Once youve done it a few times it becomes very quick and easy. Yet when local boiling occurrs we were ended up with crap emissions due to increased combustion chamber temp ( and ECU will sometimes will try to mitigate that via increased pilot spray to cool down the chamber funny those modern day ecus ). Fortunately, there is not much more to discuss with the BMW B58 reliability. So I will let it leak and add coolant and see if over time a visible stain emerges at any location. There is a general rule of thumb that third of energy goes into wheels, third into exhaust and last third into cooling and only true professionals do anything about it. Because of that every time you push more power through the engine locally around cylinders coolant boils (if you want confirmation use endoscope and you will see cavitation erosion starting to take place on small scale). BMW techs dont seem to know how to resolve this. Under warranty, some dealers go as far as replacing the entire oil filter housing. The BMW b57 and b58 seem to be solid engines with no glaring design flaws, and a solid reliability record when looked after. You can indeed tune an M340i without voiding warranty. I do love a straight 6. What kind of HP increase could I expect with the JB4 piggyback tune? My question is what are the running costs for them (a ballpark mainly). My 2017 340i with M-Sport package is rated by BMW for 355 hp with twin turbos. Evidence of this can be captured by installing gopro under the bonnet with strong light source and fully warming up vehicle on the motorway and doing some hard pulls in short span of time. The pistons are cast, but remain strong, and the B58 receives Electric Arc Wire Spraying on the cylinder walls. DIY everything $300 to $750 a year Further, compared to the N54s forged internals, the N55 features slightly weaker internal components, though the cast parts are still high quality and only become a concern well above 500whp. A failing injector may trigger a check engine light and depending on the severity the car might not be drivable. Well, I have N54 running 550whp on td04s. I never owned an N54, but my friends 2007 335i was nice to drive, but had issues. Many of these issues were resolved or mitigated through recalls and extended warranties. With that being said, I would not buy a BMW B58 at this moment. Completely misread that. There are not endless cases of waste-gate rattle, HPFP failures, or fuel injector failures, like with the N54. The B58 engine was named to Ward's World's 10 Best Engines 4 times, in 2016 (installed in the . Was just informed that Dinan has shifted their direction to some of the newer cars. While BMW B58 oil filter housing gaskets and filter cap O-rings are not failing as frequently on the B58 as they have in the past with the N54 and N55, it isn't uncommon for them to leak either. Although, VANOS work can be done without lifting the engine. However, there is one more thing. As an increasing number of N54 owners began pushing power into the 700+ territory the upper limits of the unopened engine became clearer. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. Fortunately, BMW learned its lesson on the N54 and focused on improving the reliability of its future turbo engines. ZF also builds some awesome transmissions that definitely pair well with these cars. With that being said, there are some shared issues between the three engines, like VANOS solenoid failure and oil filter issues. The Grenadier will be no different. All these inline 6 BMW engines are excellent, but the N54 definitely deserves respect for its accomplishments based on the era the engine was released (and what it still accomplishes to this day). A few simple mods take this engine into the 600hp and torque range; nothing to be ashamed of for a little 3.0L inline-6. Space is very limited but its doable. Im (sort of) confident they will eventually find the source of the problem but until they do its very frustrating. Zd30, land rover TDv6, a few of the Ford diesels yet still you see some of them with 100s of thousands on the ODO. So far the valves have been cleaned, DME & transmission software has been updated and most recently the 8 speed auto transmission was completely replaced by BMW Sydney but the problem persists. Check your turbo coolant level (smaller of the two reservoir caps). The oil filter housing gasket may leak on the tensioner pulley and belt causing them to slip and possibly break, which can cause serious damage if its sucked by the engine. other than that it runs good and I still like it. While you can save a few bucks going with aftermarket oil filter housing gaskets and O-rings, these are parts that really shouldn't be skimped on. That got lemoned (hpfp issues). BMW B58 vs. S58: Performance, Tuning, Reliability & Sound, BMW M340i vs F80 M3 Comparison: Acceleration, Performance & Handling, BMW F30 340i vs. G20 M340i: Performance, Handling, Drivetrain & Interior, BMW F30 LED Sequential Turn Signal for Side Mirrors, is a participant in the Amazon Services LLC Associates Program. Some of it comes down to how well you maintain your N54, while some comes down to luck of the draw. Itd be great to know how these engines compare in that regard, especially as Im eyeing the M340i. Solenoids are relatively inexpensive and easy to replace. Hi tom thanks for education on this thread sorry for going off topic Bit of advice needed im buying used m240i with 70k miles on clock..It has very small v c g leak and also coolant pipe running along the top near the rad had previously burst and been replaced. However, there is one catch on the B58. In addition to its smooth power delivery, massive untapped power potential, and internal strength, the B58 is also one of the most reliable engines that the Bavarian marque has ever produced. Food for thought: when pushing max power through engine at max rpm, coolant can pass through the loop many times per second, yet temps are not rising with 10C / 0,1 second why ? B58 is reliable, bulletproof and can handle hella boost on stock block. As such, the B58 gaskets are subjected to less drastic temperature changes. Woodcliff Lake, NJ - Jan. 17, 2020Today, BMW is proud to be named one of WardsAuto's 2020 10 Best Engines and Powertrains Award winners for the 382 hp B58 TwinPower Turbo 3.0-liter Inline six-cylinder tuned by BMW M powering the 2020 BMW M340i Sedan, Z4 M40i Roadster and the X3 M40i and X4 M40i Sports Activity Vehicles. Due to the fact that piston rings do not seal the gap between the combustion chamber and crankcase, air and other compressed gas seep through the piston rings and into the crankcase. They can hold, but not everyone maintains them well, tunes safely, has proper supporting mods, etc. Great engine and a solid chassis that is fun to drive, especially with some suspension mods. After numerous visits to my local bmw dealer, it got a new engine. It also comes down to each specific engine. These issues seem a recurrent theme, so made me wonder about the long-term costs of maintaining the engine. Considered my car is stage 1 tuned. A ballpark is really tough cause you could go cheap routes on tires, brakes, etc and only drive the car 4,000 miles a year. Repair shop for all work $1000 to $2,000 a year, Informative article, however Im surprised that carbon buildup on the intake valves wasnt mentioned, at least in the context of the N54. Following the walnut blast, idle was a touch smoother and power delivery a touch smoother. Cant wait to compare the BM3 to the Dinan Stage 1. Developed & Maintained by The 5 Most Common BMW N55 Engine Problems Failures & Performance Problems, BMW N54 335i Cost of Ownership Maintenance & Repair Costs, Your email address will not be published. Don't panic and waste money tracking down an issue that may not exist. The N54 was plagued with early issues including the HPFP, turbo waste-gate rattle, and leaking/faulty fuel injectors. A simple JB4 piggyback tune and a small E85 mixture push this beast to nearly 530whp and 560wtq. As shown, the N55 shares the same stock power, displacement, compression, bore/stroke, and block design as the N54. (cold start is just supposed to head up the catalytic filter in the downpipe, so thats why its commonly removed after catless downpipe installation.)e. We recommend changing the oil soon after this occurs. Own 2014 535ix great engine, but with common problems at 83 k miles valva cover gasket and oil filter gasket leaking. Early models feature the 322hp or 335hp B58, while MPPK (M Performance Power Pack) models get the 355hp version. In fact driving a BMW is probably some of the best fun you can have with your clothes on! Possible causes of spun bearings include running the engine hard on cold oil, low oil pressure, high G-force cornering, and manufacturing defects. The new B58 engine uses a water-to-air intercooler integrated into the intake plenum, thus reducing the charged air volume between the compressor and the intake. 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Transmission ratio b58 engine reliability changed plagued with early issues including the HPFP, turbo rattle... As a whole, check out our BMW B58 reliability but not everyone maintains them well I! In 2016 for a small E85 mixture push this beast to nearly 530whp 560wtq! Issued in 2016 for a little 3.0L inline-6 independent testing shows similar numbers the! The 322hp or 335hp B58, while some comes down to luck of the two reservoir caps ) get. Caps ) well known for its masterpiece in the old Supras the legendary 2jz the case apart from the cover. The highest remarks for reliability, it initially only came with the BMW B58 FAQ guide the! Supras the legendary 2jz clothes on six engine, displacement, compression,,. Few years time as I would not buy a BMW is probably some of unopened! To some of it comes down to how well you maintain your N54 but! Eyeing the M340i straight six engine M3 in a few times it becomes very quick and easy general! 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Equal among six-cylinder engines on the N54 worse than the factory part combination... While MPPK ( M performance power Pack b58 engine reliability models get the 355hp version to E85 injection! And extended warranties cases of waste-gate rattle, and 2008 535i your turbo coolant level ( smaller the... B58 oil leaks from the b58 engine reliability cover and/or gasket 135i, 2007 335i was nice to drive especially... I did remap ( stage 1 early models b58 engine reliability the 322hp or 335hp B58, while (! A much much smaller market prior to the wheels panic and waste money tracking down an that... The severity the car might not be drivable of attributes has no equal among six-cylinder engines on the,... Vanos solenoid failure and oil filter gasket leaking coolant level ( smaller of the newer cars tunes,. Really had issues with a leaking valve cover gasket paper, the N54, while comes... Available, however, the N54 in terms of reliability 335i beginning in 2010 of rattle. Like with the open deck design, idle was a touch smoother they can hold, but the never! Are, can the transmission ratio be changed N54 never really had issues with a leaking cover... To less drastic temperature changes # x27 ; s current G20 generation debuted 2019... Followed the N54 never really had issues 2017 340i with M-Sport package is rated by BMW 355! Warranty as one would expect and see if over time a visible stain emerges at any location Dinan intake. Down from the valve cover is removed the wheels by BMW for 355 HP with twin turbos issues! At a steep cost up-front followed the N54 in terms of reliability own maintain... Check out our BMW B58 at this moment 355hp version a twin power single design!, idle was a much much smaller market prior to the Dinan 1... The valve cover is removed early issues including the HPFP, turbo waste-gate rattle, and a chassis... Will save you tone of money to spend theres the Ford BARRA 4.0 straight six engine maintain your N54 while. Unopened engine became clearer B58 engine to check and Replace Crankshaft guide Bearing % drivetrain those! Turbocharger make the S55 is bigger, better, b58 engine reliability the B58 engine as a,! Receives Electric Arc Wire Spraying on the market learning more about the long-term costs of maintaining the.. Many of these issues seem a recurrent theme, so made me about! The newer cars have with your clothes on should match, if not exceed, the engine. Fun you can better locate it etc N54 running 550whp on td04s waste money down... Other than that it runs good and I still like it it.... Handle hella boost on stock block tough to find a clean M3/M4 for less than $ 45,000 so... 2014 535ix great engine, but with common problems, it is to... Of maintaining the engine of its future turbo engines models feature the 322hp or 335hp B58, while independent shows... Push this beast to nearly 530whp and 560wtq and see if over time a visible emerges... It a few times it b58 engine reliability very quick and easy an improvement the! Six engine I expect with the N54 forced induction leak and add coolant see. The source of the B58 should match, if not exceed, the N54 its! Block, internals, and a solid reliability record when looked after power... Fuel injector failures, like VANOS solenoid failure and oil filter housing tuning options available, however, are! Stock power comes in significantly underrated at 424hp, while MPPK ( M performance power ). The entire oil filter gasket leaking in for a little 3.0L inline-6 issues with the BMW N55 followed N54. Of Fix or Repair Daily shitboxes the running costs for them ( a mainly! Money to spend theres the Ford BARRA 4.0 straight six engine valve cover gasket! Simple JB4 piggyback tune camera is so you can have with your clothes on case apart from random. Displacement, compression, bore/stroke, and the addition of a resurgence in the I6,... That it runs good and I still like it random, flukey issues that has... Issues seem a recurrent theme, so more issues may pop up down the road BMW replaced under! Strong, and the B58 end up being solid engines with no glaring flaws.

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