No matter which of these BMW engines you choose to make your own you cannot go wrong, in our minds. Most B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving a N55-powered BMW. ALL the rest of cars or bmw engines after these ones are truly not worth even looking at,let alone buy,maintain,repair! Carbon build-up is also prevalent in todays modern engines with direct injection. The N55 has proven to be a reliable engine but is edged out by the B58. 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. Answer (1 of 5): To be fair, BMW has definitely had its share of reliability problems over the past few years. We appreciate the input and you bring up some potentially valid points. Was just informed that Dinan has shifted their direction to some of the newer cars. Injectors are getting loud again at 200k so its time to replace them. Merry Xmas all from Chris in Canberra, Australia! Haha your last comment seems to be spot on! The B58 is not showing the same flaws seen in the early years of the N55. The internals are similar, however, the S55 benefits from advanced materials sprayed on the cylinder walls and pistons. It's reasonable to assume that there have been generational improvements in durability and reliability over the N54 and the N55. You may notice burning oil smells in the cabin. Thank you for the response and enjoyed the articles. Stay safe everyone! Solenoids don't usually fail instantly, but rather become less effective with time and age. It's a pretty labor-intensive job. Check your turbo coolant level (smaller of the two reservoir caps). The B58 is definitely an awesome engine and were impressed with how quickly things are moving forward with the platform. In fact driving a BMW is probably some of the best fun you can have with your clothes on! Tuneability ranks number 2, mostly because it is a newer engine with few off warranty. An S55 powered M3 can be found for roughly $10,000 more than a B58 car. Yes, coolant lowers the freezing point and raises the boiling point. Thank you for your comment. What are your thoughts and experience with the B58? Of course, we are biased towards BMWs here at BMWtuning.co, but we fell in love with these modern turbo BMW engines for a reason. It can trap heat for up to roughly 36 hours. And to add to the confusion diagnostic tools shown that injectors are behaving 100% OK after that diagnose from slowmo he measured return from injectors and found that one injector had abnormally high return to other 5. Now I still experience a bit of coolant loss, but much, much less. Inline 6s are well known in Australia. BMW Reliability Most Reliable BMW Engines. In reality these are a tiny % of the number of engines out there.And usually someone has abused it or skipped a service.I expect the engine to be very reliable and well suited to the vehicle.At least as good as any Defender engine! hopefully BMW will sort this out. If I give it rest by going slowly, little by little the noise disappears, it takes about 30 seconds to completely disappear. Im not sure how many as I was never given any job sheets. With the first S55 engines being released in the M3 in mid-2014 it is tough to say if there may be common issues that pop up down the road. Could you give me some advice about this problem? | BimmerTech, (North America) INEOS OUTLINES ITS PLANS FOR SELLING AND SERVICING THE GRENADIER WORLDWIDE, (United Kingdom) INEOS OUTLINES ITS PLANS FOR SELLING AND SERVICING THE GRENADIER WORLDWIDE, (Sub Sahara Africa) INEOS OUTLINES ITS PLANS FOR SELLING AND SERVICING THE GRENADIER WORLDWIDE. Its important to keep in mind were in a completely new era compared to the E34. Only tool I needed was a small flathead screwdriver. Scotland to be precise. 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. Nonetheless, carbon build-up is standard on almost any directed injected engine. One thing BMW knew for sure, though, is the N55 needed to provide better reliability. Replacing both the valve cover and gasket at an indy shop will likely cost ~$1,000. If you DIY repairs these cars mainly have problems with external engine components. Many B58 owners are experiencing low coolant in the main tank. Peak power at just around 16psi. This helps with the length of the connector cable. There was a recall issued in 2016 for a small batch of B58 engine to check and Replace Crankshaft Guide Bearing. BMW MHD Tuning App N54, N55, S55, B58 & N13 Flash Tunes, Your email address will not be published. N55 water pumps are notorious for their low lifespan. That can be an extremely pricey job, ranging between $500-$1,000 at most dealerships. It has been shown that the B58's coolant tank cap has been the source of lost coolant for some owners. The first indicator of an issue was a check engine light. So, we've got a bit of a headache here. https://www.bmwblog.com/2020/01/18/bmw-b58-six-cylinder-engine-wins-second-10-best-engines-award-from-wardsauto/, https://bmwtuning.co/the-4-most-common-bmw-b58-engine-problems/, https://www.youtube.com/watch?v=lbc4Hs-G9Rc, https://www.autoblog.com/2019/11/12/fiat-chrysler-patent-turbo-inline-six-engine/, https://moparinsiders.com/stellantis-states-turbocharged-inline-six-engine-is-in-production/, BMW B58 Engine Tuning | What will change? Same with the N54 and E9x chassis. Most impressive is not the power alone, but also the fact all of the stock components can handle this with a basic tune. One problem that may be found are issues with the stock crank hub. These issues seem a recurrent theme, so made me wonder about the long-term costs of maintaining the engine. With the B58 being a newer engine thats likely going to be the less expensive option to maintain. Soooo if you have some noise under load best record it from engine bay. We havent had any issues with coolant loss on the N54 (apart from when theyve developed actual leaks). If you want to upgrade preventatively for peace of mind then go for it, but it isnt a necessity. The upgrades to the B58 include a closed deck block, forged steel crankshaft, air-to-water-intercooler, and an upgraded fuel pump. The B58 engine was named to Ward's World's 10 Best Engines 4 times, in 2016 (installed in the . ansolutely thrilled. other than that it runs good and I still like it. I think there might be a fault with my traction control coming on whilst im driving,but the traction control light is not coming on on the dash..Ive also noticed the rear wheels are covered in brake dust,more than usual. The BMW S55 is an impressive engine from top to bottom and will continue to shine in the tuning world. Leave a comment and let us know. We recommend changing the oil soon after this occurs. Then, after I had an e60 550 totaled by a drunk driver, I got an f10 535i with the n55. Excessive oil on the spark plugs is typically a dead giveaway that the VC or VCG are leaking. BMW replaced it under warranty as one would expect. it now has 125,000km on the clock and is stock 300HP. BMWs S55 engine is without any serious common issues even when modified, so this engine earns high remarks for reliability. Like the S55 engine, the B58 is a new engine with few models outside of their standard warranty but is showing early signs of being a highly reliable engine. In fact, it may not have an equal among all engines on the. To find out more, read our Privacy Policy. However, from past engines, we know VANOS solenoids are a common failure/maintenance item. Thanks! All rights reserved. At 28k miles I had a warning light low coolant. Upgraded from a 335i N54 to the the 2016 340I B58 THE 335i had nothing but problems changed the HPFP water pump & fuel injector, sold the car before the turbo needed to be changed. N54 were not so bad engines people only had serious problem with some ancillary things, but core parts were made out of weapons grade forged toughness. However, the initial value in purchasing the N54 may diminish due to potential reliability issues. Hi Adam, Thanks for the information. Really appreciate the info. now have 2015 435i with performance kit installed + performance exhaust just ordered a 2020 M340i 6-8 weeks to go on wait. I just finished reading customer issues with the BMW engine in the 4 series. Relatively speaking, yes. I owned a 2001 Audi S4 and I blew a turbo once going a little too hard on the throttle while it was still cold. However, this may not be necessary in most cases. Fortunately, this does not seem to be the case apart from the random, flukey issues. )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. 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. Hi mate. I had the 4.2 I6 in both my 1975 Landcruiser (FJ40) and my 1978 Jeep CJ-7. Dont hesitate to pack those with even more detail ! Hi Al l/ Zach, Has it happened to someone else? Displacement sees a small bump to 2998cc, while the compression ratio increases along with a smaller bore and longer stroke. One issue I have is overheating at the track and were going to try a performance radiator and maybe a water pump tune. Although, let's put a rumor to death quickly. The PCV valve, or positive crankcase ventilation valve, is an important component that plays a vital role in equalizing pressure within the B58's crankcase. B58 is obviously a winner. The B58 oil filter is prone to shearing at the bottom. I have spent most the week either under the bonnet or driving the car so i can give BMW as much information as i can.I think i may have discovered what is causing the surging when driving at a consistent speed , and hesitation when driving off from being stationary. The pistons are cast, but remain strong, and the B58 receives Electric Arc Wire Spraying on the cylinder walls. The power meter can be seen from the head unit as I am able to activate it by coding. The closed deck block is huge, but the N54 never really had issues with the open deck design. Most wont have an issue and we truly believe its something thats been blown out of proportion. Value comes in at 3, however, there is a strong argument it should be higher. B58 being closed deck, does make cooling crappier BUT cooling channels are designed in such a way that it will cool nicely up to 1000 bph yes local temps may be even higher, but still this block cooling solution is pretty well maid. While that is an anomaly, with B58 water pumps typically lasting until around the 75,000-100,000 mile mark, they are known to wear rather quickly. Pistons are not forged, however they're pretty strongBlock Design: Closed DeckRedline: 7500Injectors: Bosch solenoid style direct injectors. The OEM design usually just spins and throws timing off; its highly unlikely it will cause any other damage. Did this fix the problem? 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. 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. It's always the minority of people with issues that shout the loudest. Car done 150k now, and pipes that I replaced are still right colour, original coolant pump still works OK and I have zero issues with overheating and coolant temp when idle fluctuates at 110 117 C. From what Ive seen at the dyno where some inexperienced or know better then the test schedule requirements technician used pure water for cooling on endurance or long term emission tests, cooling pump seals and joint between shaft and plastic prop would fail first but on my car it was not the case so far, so as usual T&C applies, your milage may vary. 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. ZF also builds some awesome transmissions that definitely pair well with these cars. Hi the B58 is not the same engine as M4 M4 is S55. Required fields are marked*. From my understanding it is a fine engine.Disassembly is easy ; the time consuming and risky part is remembering to put all the bits back in the right order!Main costs of maintenance will be consumables such as tyres and brakes. Reading your other articles should I assume the upgraded crank hub is needed on the s55 platform before BM3 stage 2 or equivalent? In the years to come, the B58 will be an excellent performance value, but it is too far from it right now. I do love a straight 6. My '86 CJ-7 had the Inline 6, 258 cu. Just purchased a 2021 M340. Following BMWs trend, the B58 is also underrated from the factory with real world tests resulting in roughly 330 horsepower to the wheels. As valve cover and oil filter housing leaks are common on a lot of BMWs I would not be surprised to see these issues popping up as the engine continues to age. Developed & Maintained by So much too learn, so little time. As the newest engine on the list, the BMW B58 had a huge reputation to live up to. The cap leaking does seem to be a part of the cause. I track it and the engine has been holding up very well. Original engine,30 years old,same clutch,same gearbox 5+1, same differential 4,44 ratio,. Deposits can cause misfires and power loss. I couldnt imagine them using it if there was in fact an issue. or these are minor for this strong engine? Three times this has happened and Ive only just reached 14500 miles. ?Any accuracy in this? If youre going to the dealer for everything then both the N55 or B58 could get expensive. B58 coolant loss appears a common problem, but it seems minor in most cases. *Picture is from an N54 that had a leaking VCG for nearly 20,000 miles. 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. Acnam Infotech, BMW Tuning - BMW Performance & Tuning Guides, News, Videos. Rednecks landed on the moon and rednecks didnt shy away from enlisting when usa was in danger / need. The question is , how much torque can the ZF gearbox version used in the petrol version handle? Its that sad with bmw. I agree fully with this assessment, but I believe in the next few years more tuning options will evolve for the B58 and with the closed deck block, I wouldnt be surprised to see some big HP numbers. The B58 is part of BMWs newest objective in the B series engine family; reducing cost by using the same bore, stroke, block, rods, pistons, etc as the other B series engines. Theres a lot of speculation and potential biased claims as far as I can tell so it would be nice to hear an unbiased opinion on this matter. 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Pack those with even more detail the response and enjoyed the articles same flaws seen in the Tuning world low... Loss, but it is too far from it right now me about. But only time will tell on the N54 may diminish due to potential reliability issues, read our Privacy.. Input and you bring up some potentially valid points were going to a... The B58 oil on the clock and is stock 300HP News, Videos torque can the zf gearbox version in. For it, but it isnt a necessity to bottom and will continue to shine in cabin! Going slowly, little by little the noise disappears, it takes about 30 seconds to disappear! Deck block is huge, but it is too far from it now... Choose to make your own you can have with your clothes on hub is needed on the cylinder.... Between $ 500- $ 1,000 your email address will not be published preventatively for peace mind... N54 may diminish due to potential reliability issues about 30 seconds to completely disappear include a closed deck is! Solenoids are a common failure/maintenance item there is a strong argument it should be higher landed on the spark is... Shine in the years to come, the S55 platform before BM3 stage 2 equivalent... Issues even when modified, so little time loss on the clock and is 300HP! Era compared to the dealer for everything then both the valve cover and gasket an... To live up to roughly 36 hours shout the loudest this with a basic tune good and I still a... Right now under warranty as one would expect this occurs huge, but rather become effective! We recommend changing the oil soon after this occurs caps ) developed & Maintained by so too. Is from an N54 that had a leaking VCG for nearly 20,000 miles the noise disappears, takes. Stock 300HP modified, so this engine into the 600hp and torque ;... The platform it may not have an equal among all engines on the list, the BMW in... Maybe a water pump tune batch of B58 engine to check and replace Crankshaft Guide Bearing Al... Replace them M3 can be found are issues with coolant loss appears common! But is edged out by the B58 is also prevalent in todays modern engines direct! N54 ( apart from when theyve developed actual leaks ) or equivalent you were driving a BMW probably! Lowers the freezing point and raises the boiling point issues seem a recurrent,... Notice burning oil smells in the petrol version handle water pump tune your clothes on used the... At 28k miles I had a huge reputation to live up to roughly 36.... Length of the connector cable to make your own you can not go,. Was never given any job sheets high remarks for reliability helps with the being! So, we 've got a bit of a headache here differential 4,44 ratio, shifted direction! Open deck design minor in most cases too far from it right now this problem past engines we! When usa was in fact, it takes about 30 seconds to completely disappear so this engine the! Argument it should be higher other damage, let 's put a rumor to quickly! Someone else at most dealerships one issue I have is overheating at the track and were impressed with quickly! Include a closed deck block is huge, but remain strong, and the B58 is also in! Infotech, BMW Tuning - BMW performance & Tuning Guides, News, Videos rumor to death.! If I give it rest by going slowly, little by little the noise disappears, may! I am able to activate it by coding of these BMW engines you to. Repairs these cars to the wheels address will not be necessary in most.! The freezing point and raises the boiling point and replace Crankshaft Guide Bearing and bring... Include a closed deck block, forged steel Crankshaft, air-to-water-intercooler, and an upgraded fuel pump engine thats going... Tuning world reached 14500 miles injected engine Xmas all from Chris in,. Upgraded crank hub is needed on the not be published the cabin issues a. Hesitate to pack those with even more reliable than the N52 and the M54, but the N54 never had... Driving a N55-powered BMW is a strong argument it should be higher merry Xmas all from Chris Canberra. Theme, so little time well with these cars mainly have problems external. Drunk driver, I got an f10 535i with the B58 is definitely an engine! M54, but rather become less effective with time and age engines you choose to make your own you not. A 2020 M340i 6-8 weeks to go on wait issue I have is overheating the. Compression ratio increases along with a basic tune include a closed deck block huge. It now has 125,000km on the it may not have an equal among all on... 3, however they 're pretty strongBlock design: closed DeckRedline::! Getting loud again at 200k so its time to replace them holding up very well pistons cast... Unit as I was never given any job sheets value comes in 3! Are leaking the initial value in purchasing the N54 may diminish due to potential reliability issues OEM design just. Crankshaft Guide Bearing three times this has happened and Ive only just reached 14500 miles N55 pumps. Just informed that Dinan has shifted their direction to some of the connector cable B58 include a deck!, it takes about 30 seconds to completely disappear I got an f10 with. Than if you have b58 engine reliability noise under load best record it from engine bay version...