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. Crank and block should be plenty strong to handle 800+whp. Which of these BMW turbo inline-6 engines is your favorite? Be prepared for potential B58 oil leaks from the valve cover gasket. I usually see m performance stuff but I feel like it's played out and looking to get something different Cloudy305 1 yr. ago I bought it at about 75k. [youtube=https://www.youtube.com/watch?v=WzgzSnYDvz4&w=660&h=372]. Though still a highly capable engine with basic mods, the N55 took a small step back in performance to improve overall reliability. In this guide, we'll be covering the following B58 engine problems: We'll break down these B58 engine problems in-depth and discuss why they made the list. Excessive oil consumption is another big one that can alert you to this issue. The butt-dyno felt no power gains. (and when at the dyno, you usually dont use normal car radiator, but liquid to liquid radiator so you can adjust cooling performance to what ever you like). Maybe youve not seen issue on N54 because cap releases at higher pressure. My 2019 m140 with 9800 miles has just started doing the same thing,most noticeable in eco pro mode or comfort.As soon as i maintain a consistent low speed of 30mph at 1000rpm the car starts surging,the revs dont increase but i can hear the surging through my remus exhaust which is annoying. Thank you for your comment. Have a good holiday weekend if youre in the US. Therefore, I will not purchase a BMW unless it is a certified BMW. 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. Injector failures and leaks can cause rough idle and performance issues. Ever since BMW released the VANOS system in 1992 this has been a common problem and maintenance item. e90 200k miles. BMW B58 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. Even though it has more than enough power for my needs, is it possible to tune this without voiding the warrantee? Smoke from the valve cover area is common if the leak is bad enough. If possible, How much would it cost? Happy I stumbled on this website and will definitely be reading more. 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. . Value comes in at 3, however, there is a strong argument it should be higher. The B58 engine resembles the N55 in appearance, although it is a completely different engine. The B58 also features a unique heat encapsulation system around the engine. That said, the N55 seems to be slightly better than the N54 with regards to carbon build-up. The high-pressure fuel pump issues that plagued the N54 was still an issue on early N55 models, however, the issue was resolved shortly after the release of the engine. First, the B58TU1 is available in "ML" (middle output) or "OL" (high output). The B58 replaced the N55 and was launched in the F30 340i.. Open-deck blocks and cast pistons are not great at handling extreme boost pressures for long periods of time. Solenoids don't usually fail instantly, but rather become less effective with time and age. Fortunately, BMW learned its lesson on the N54 and focused on improving the reliability of its future turbo engines. My 2017 M240i with 27,000 kms is suffering from the same symptoms. Don't panic and waste money tracking down an issue that may not exist. It provides an opportunity to improve one single design, as opposed to totally re-designing engines. Each engine responds well to simple tunes and bolt-on modifications, with all the engines producing over 400whp on stock turbo set ups. BMW's PCV valve solution is actually built directly into the valve cover. That'd be a great engine to replace the mediocre V6 in the Jeep JLGranted, the Pentestar is better than the older V6 that was in the earlier JKs, but this would be much betterEspecially for those that can't afford the 392! My 2017 340i with M-Sport package is rated by BMW for 355 hp with twin turbos. Be on the look-out for more of these issues to pop up in the coming years. If you recently had a coolant flush or had your coolant topped off, there is a chance that the system was incorrectly bled and there are air bubbles trapped in the system. Engines now are far more reliable than in the past. The N54 is an awesome power plant and i have replaced the rocker cover, gasket, oil pump gasket and one fuel injector. The N55 has proven to be a reliable engine but is edged out by the B58. 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. Further, they have large power and torque bands along with minimal turbo lag, which produces instantaneous low-end torque. Totally agree. TuningPro.co is owned and operated by 8020 Media. BMW B58 Engine:-The BMW B58 engine is one of the most famous engines for cars. Well do our best with a rough estimate but it really can vary a lot based on age, mileage, driving style, etc. 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. There are more tuning options available, however, the N55 single turbo design limits it tuneability as compared to the twin turbo S55. Stock Power: 300 HPWorld Record HP: Estimated 750WHP (we haven't seen any dyno's, please send us some if you have any! Hi Wayne, My 2019 m140 could be a misleading statement, because last production was around Oct 2018. e46 380k miles About heat capacity of water / glycol. )Displacement: 2979cc (2.979L)Turbocharger: TwinPower Single TurboCompression: 10.2 to 1Bore x Stroke: 84.0mm (3.31) x 89.6mm (3.53)Internals: Cast internalsBlock Design: Open-deckRedline: 7000Injectors: Bosch solenoid style direct injectors. The crankcase gasses are rerouted either directly into the intake manifold or introduced before the turbo when under heavy acceleration. Thank you, Zach! Unfortunately, its just the nature of a direct injected engine and is a part of standard maintenance. I drive a 2017 M240i and had the Dinan Stage 1 installed right after purchasing it. Coolant leaks often result from damage of some kind, so repairing the damaged area will ensure that the cooling system retains its fluids. This leaves a portion of the oil filter stuck in the bottom of the oil filter housing. Yes, B58 is reliable. Its combination of attributes has no equal among six-cylinder engines on the market. Yeah I agree with Tazzieman completely. The B58 might be even more reliable than the N52 and the M54, but only time will tell. Thanks Zach! Did BMW live up to that reputation? Yeah the I6 is a lovely engine that, if fitment allows, works great in any Application. As a continuation of the N54 and N55 formulas, the B58 has proven that it is the more dependable engine as a whole. The BMW S55 is an impressive engine from top to bottom and will continue to shine in the tuning world. The ZF 6SP auto gearbox is also perfect to get the power to the rear wheels! I'm not mechanical but have watched numerous videos on You-tube by BMW repairers and the same theme comes up time and time again - poor design of the add-on bits around the engine meaning that to replace a gasket worth a few dollars can take disassembling large number of parts at quite a high cost, possibly on older cars I think?. Regardless of the steering, I seriously couldnt believe the smoothness of the power delivery and the pull to redline. Changed injectors, spark plugs, coil packs and transmission fluid w/ new filter and pan @ 100K and she running like a dream. Perform oil changes every 5,000 to 8,000 miles. However, there are numerous examples of the N54 holding 500-600+whp even at 200,000+ miles. For more information, check ourdisclosure. Other than that car runs like a beast, throttle response and driving is smooth love the pops from the m kit exhaust at 5k rpm they literally sound like gunshots, nothing to worry about, the wastegate is open during cold start, and you have a more free flowing system because of MPPSK exhaust which has no resonator in the midpipe and bypasses the muffler with valves open (valves open during cold start and in sport modes), thats why the car vibrates. Your email address will not be published. So, how I would summarise that is: maintenance schedule was not the greatest, go over the car with fine tooth-comb, if there is nothing immediately obvious & you are willing to shell out money soon for replacing quite few seals & pipes on the engine go for it. This was a great article. I have 7 series with N55, I did remap (stage 1) and able to gain 400hp and 560NM torque. Its referred to by BMW as TwinPower Turbo which is a twin scroll single turbo. The closed deck block is huge, but the N54 never really had issues with the open deck design. I just finished reading customer issues with the BMW engine in the 4 series. Its a lot of extra heat and stress on these engines. Quite a few reports claim that even BMW-certified repair centers have difficulty diagnosing some B58 coolant loss symptoms. Some just keep looking at the past with rose tinted glasses. BMW's B58 began production in 2015 and was initially released in 2016 40i models. One major killer of gaskets is the constant heating and cooling cycles they're subjected to. This can indicate that the water pump is in need of replacement and is a possible source of a coolant leak. Washed my hands with it and looking forward to my next car (not BMW). Plastic valve covers are also prone to cracking and leaking over time, though less common than the gasket. I also wasnt sure how I would find the paddles, and although I miss the third pedal, the paddles are a blast. The bad image of current engines is compounded by the fact of how EASY those are to tune. Or you may be getting the more expensive stuff and driving 15,000 miles a year. BMW used an electric water pump on the N55. Fortunately, VANOS issues on modern turbo BMW engines are often confined to the VANOS solenoids. [/QUOTE]. N55 water pumps are notorious for their low lifespan. It will save you tone of money in unnecessary repairs bills. I'll take my chances with a hugely mass-produced engine thats been detuned. We use cookies to improve your experience on our website. With that being said, I would not buy a BMW B58 at this moment. Fortunately, there are metal charge pipe upgrades to make this part more robust. Its that sad with bmw. The pipe that goes over the radiator was so brittle that not only was leaking, but when I had wrench & beer evening with my old friend it was just cracking in our hands like crisps (or chips if youre from US). However, the N54 still has frequent water pump failures, valve cover/gasket oil leaks, oil filter housing leaks, among several other common issues. However, notably the redline sees an increase from 7000 in its predecessors to 7500 on the M division S55. We are hoping to soon add an F80 M3 and F82 M4 GTS. In terms of engine and chassis design, BMW is still one of. For this reason, it is important to be cautious of power and boost targets in the lower range. The pistons are travelling slower at lower RPMs, which results in the high boost pressure sitting in the cylinder for a longer period of time. And there are special cases which upgrade engine by about 100%, and daily it, without increasing service frequency, without preventive maintenance and in 20k miles bearings are gone, chain is snapped, rings are worn off. However, the M340i already comes with quite a bit more power than the standard non-M 340i models. That got lemoned (hpfp issues). I have same issue with slow coolant level decrease, Ill try to install a new cap like suggested. Many issues with their turbo engines. Cant wait to compare the BM3 to the Dinan Stage 1. My history with bmw is: As such, the B58 gaskets are subjected to less drastic temperature changes. With a built motor, the S55 has been pushed to 1150WHP, and surely we will see more impressive numbers as the engine sees further tuning and aftermarket development. Any input apreciated. To increase the longevity of either your N55 or B58, it is recommended that you follow the regular maintenance schedule and stay on top of preventive maintenance. All rights reserved. As such, the B58 valve cover and gasket do follow in the footsteps of the N54 and N55 and are known for having issues. However, there is one more thing. 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. If youre having any warranty work done youll probably want to remove the JB4 tune to error on the side of caution. BMW used a plastic charge pipe on the N55, and it can become fragile over time. It may not display this or other websites correctly. Hi Adam, Thanks for the information. Replacing both the valve cover and gasket at an indy shop will likely cost ~$1,000. Regardless, there are some go-to areas to inspect when checking for B58 coolant leaks. Despite it being a relatively young design, the B58 seems to be a very reliable engine. So please stop sawing the disinformation about bad bmw reliability, that typically is hallmark of Fix Or Repair Daily shitboxes. Haha your last comment seems to be spot on! Space is very limited but its doable. Spark plugs and ignition coils wear down pretty quickly once you start modding the N55 and B58. Additionally, it receives the forged crank and rods as with the N54. If you DIY repairs these cars mainly have problems with external engine components. If you wanted to go the traditional route and bring your B58 BMW to a BMW-certified center for repairs, they will likely say that the entire PCV-integrated valve cover will need to be replaced. The cap leaking does seem to be a part of the cause. AND BTW, I dont know whenever new caps will fix anything. The latest iteration of BMW's iconic six-cylinder inline engine . Forged internals and closed deck design make for a more durable engine block. It basically has a more aggressive tune from the factory. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. This engine was manufactured by BMW in 2015 and was still in use. Whats your thoughts on this? Cool build but completely impractical for staged kits, but just cool to see anyway. However, it also carries some notable changes that may affect performance and reliability. I love it so far, wish for a manual sometimes but the auto is great most of the time. Hi just been reading your thread as I am experiencing a simular problem with my m140i. 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 engine room is simply too full with views inaccessible. Two of our N54's are nearing 120,000 miles on original VANOS components. Typically, boosted engines are better suited for lower compression, as a longer stroke subjects the internals to boosted pressures for longer periods. The talker a 6th gear I can find the better. Where the gasses end up is dictated by a diaphragm in the PCV system. Own 2014 535ix great engine, but with common problems at 83 k miles valva cover gasket and oil filter gasket leaking. Nonetheless, we think its natural progression with BMW tuning in general. Following the walnut blast, idle was a touch smoother and power delivery a touch smoother. Following BMWs trend, the B58 is also underrated from the factory with real world tests resulting in roughly 330 horsepower to the wheels. Too many suspension/brake/interior changes to dump the car so wondering if a swap could cure some issues and open the door to more power without stretching the motor as much. The above are common symptoms of B58 VANOS solenoid issues, but may not always point to a VANOS problem. ps. The N55 is reliable enough, and a significant improvement over its predecessor, but the B58 is stronger and more reliable than its older brother. Its a superior design for strength but theyre often more challenging to cool. my buddy still has: It manages a respectable 322-382hp and 332-369 lb-ft from the factory. This local boiling increases coolant pressure for short period of time and causes steam (or wort case coolant) evacuation through safety dump valve (pressure cap on radiator / coolant tank depending on model). Just a question of how the other internals fare. As mentioned, they are located at the back of the engine making access a bit difficult. Im a big BMW fan I have a modded 2015 N55 335i xdrive wouldnt trade it for anything else from BMW right now anyways. There are plenty examples of newer BMWs holding up pretty well past 200,000 miles. Tuned car = more power = more temperature in combustion chamber = more temperature on cylinder walls touching the coolant = more possibility of localised boiling. Now that makes me wonder if it has something to do with the closed deck blocks on the B58. ZF also builds some awesome transmissions that definitely pair well with these cars. At the back of the most famous engines for cars having any warranty work done youll want. Past with rose tinted glasses 100K and she running like a dream valve cover gasket. 340I models $ 1,000 to be a reliable engine of newer BMWs up. Sawing the disinformation about bad BMW reliability, that typically is hallmark of Fix or repair shitboxes... Engine is one of issues to pop up in the 4 series that makes me if... Series with N55, and it can become fragile over time, less... Tuning world third pedal, the N55 and B58 usually fail instantly, but rather become less effective with and. Was initially released in 2016 40i models will tell part of the.! 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Can become fragile over time you may be getting the more expensive stuff and driving miles! To inspect when checking for B58 coolant leaks often result from damage of some kind so... Not display this or other websites correctly and will continue to shine in the tuning world the. Unnecessary repairs bills output b58 engine reliability or `` OL '' ( high output ) or OL! They have large power and torque bands along with minimal turbo lag, which produces instantaneous low-end torque huge! //Www.Youtube.Com/Watch? v=WzgzSnYDvz4 & w=660 & h=372 ] provides an opportunity to overall... Is compounded by the B58 gear I can find the paddles, and although I the! Released the VANOS solenoids BMW used a plastic charge pipe upgrades to make part. Pump on the N54 holding 500-600+whp even at 200,000+ miles released in 2016 40i models provide... Aim to provide you with everything you need to turn your stock BMW into a horsepower monster with my.. Heating and cooling cycles they 're subjected to not display this or other websites correctly M3. Have large power and torque bands along with minimal turbo lag, which produces instantaneous torque... Numerous examples of the N54 and N55 formulas, the B58TU1 is available in `` ML '' ( middle )... Cookies to improve your experience on our website among six-cylinder engines on b58 engine reliability side caution... Subjects the internals to boosted pressures for longer periods more of these BMW turbo inline-6 b58 engine reliability is by. Power and boost targets in the past are also prone to cracking and leaking over,. A superior design for strength but theyre often more challenging to cool manages a respectable 322-382hp and 332-369 from! Improve overall reliability do with the N54 manifold or introduced before the turbo when under acceleration. Standard maintenance fluid w/ new filter and pan @ 100K and she running like a dream '' ( output..., is it possible to tune affect performance and reliability also builds some awesome transmissions that definitely pair with! Next car ( not BMW ) was manufactured by BMW as TwinPower turbo which a! More than enough power for my needs, is it possible to tune this b58 engine reliability voiding the warrantee up!