No engine is perfect, and some samples of the B58 suffer from minor issues. Enter the BMW S55 - built off the basic design of the N55 engine the S55 was designed to take performance to a whole new level. Although, the single turbo will likely limit its capabilities without upgraded turbo(s). 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?. now have 2015 435i with performance kit installed + performance exhaust just ordered a 2020 M340i 6-8 weeks to go on wait. Notable changes from the N55. Im looking for my first sports car and BMWs seem very nice. 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! The Grenadier will be no different. Its a superior design for strength but theyre often more challenging to cool. BMW's PCV valve solution is actually built directly into the valve cover. **Ranks are as compared between the four turbo, inline 6 engines**. The following table compares the technical data for both engines. Outside of the difference in turbochargers the N55 and N54 share many similar characteristics. Further, they have large power and torque bands along with minimal turbo lag, which produces instantaneous low-end torque. There is one turbo with two scrolls feeding the single turbocharger. Unsurprisingly, the success of the turbocharged inline 6 led to its introduction in the F80 BMW M3 beginning with model year 2015. I wouldnt say its absolutely needed, but the stock crank hub may fail down the road. AND BTW, I dont know whenever new caps will fix anything. Your email address will not be published. True BMW enthusiast street-wear hand printed under our 40Roll clothing brand. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. A 2017 340i M Sport uses the B58 engine, which is a single turbo. You should replace the B58 oil filter with every oil change, anyways. You shouldn't notice any B58 drive-ability issues with a leaking valve cover and/or gasket. Currently stock on stage 1. Ill try to describe what I suspect as a secondary issue. You can say we are somewhat N54 fanatics. B58 to N55 Comparison. Save my name, email, and website in this browser for the next time I comment. Otherwise, if the filter is still stuck or you damage the housing in the process, you'll be looking at a new B58 oil filter housing. There are not endless cases of waste-gate rattle, HPFP failures, or fuel injector failures, like with the N54. In a world where high horsepower cars are increasingly more common these are still absolutely insane numbers. B58 coolant pumps have been known to fail prematurely and cause significant coolant leaks as a result. Bam, 45min to an hour for the whole job. Solenoids are relatively inexpensive and easy to replace. Our team of BMW experts relies on various sources of information plus personal knowledge about automotive topics and technical concepts. Open-deck blocks and cast pistons are not great at handling extreme boost pressures for long periods of time. One major killer of gaskets is the constant heating and cooling cycles they're subjected to. Im impressed to say the least. BMWs S55 engine is without any serious common issues even when modified, so this engine earns high remarks for reliability. I speculate this might be something like uneven fuel delivery from one or more injectors. Zd30, land rover TDv6, a few of the Ford diesels yet still you see some of them with 100s of thousands on the ODO. Never put excessive loads on the engine when its still cold. B58 is reliable, bulletproof and can handle hella boost on stock block. So I will let it leak and add coolant and see if over time a visible stain emerges at any location. Consequently, I just ordered the BootMod3, which should be installed next week. Thanks! Soooo if you have some noise under load best record it from engine bay. The OEM design usually just spins and throws timing off; its highly unlikely it will cause any other damage. The N55 is reliable enough, and a significant improvement over its predecessor, but the B58 is stronger and more reliable than its older brother. Most B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving a N55-powered BMW. Now that makes me wonder if it has something to do with the closed deck blocks on the B58. Solenoids don't usually fail instantly, but rather become less effective with time and age. A code scan revealed code P0012. This leaves a portion of the oil filter stuck in the bottom of the oil filter housing. should i stay away? Coolant loss The B58 uses two coolant tanks in its system. The BMW B58 engine can handle around 600-650whp and 550-600wtq on the stock block and internals. Flush out and refill coolant every 5 years. Yes, coolant lowers the freezing point and raises the boiling point. Would a swap to s55 be ruinously expensive and difficult? I've got a 1986 merc 300sl that runs like a sowing machine. Steph Papadakis and his boys are making 1000HP @ ~42psi on a 2020 Supra B58. Nonetheless, we think its natural progression with BMW tuning in general. Hello, I have a MHD tuned m140i, and when I fully accelerate for a while (20 or 30sec) or go up a mountain road going fast, a sound appears as if it were a compressor, getting louder as I go faster. We appreciate the positive feedback. One of the most common leak locations is the water pump. It felt a tad quicker than my current car, BUT steering feel was much more muted/less direct. Yeah I agree with Tazzieman completely. BMWs B58 and S55 engines are newer, so more issues may pop up down the road. The B58 is part of BMW's new modular engine family, each engine using a displacement of 500 cc (30.5 cu in) per cylinder, following the B38 and B48 engine.. . Guessing you are all semi-auto owners.. doubt this problem exists on the manual sounds like transmission / ECU problem to me.. #. B58 coolant loss appears a common problem, but it seems minor in most cases. An improved engine block, internals, and the addition of a second turbocharger make the S55 a performance engine to drool over. However, from past engines, we know VANOS solenoids are a common failure/maintenance item. The car I bought is off a 3 year lease and appears to be in pristine condition, so Im hoping this engine is super reliable going forward. Take this in for a moment - assuming a 12% drivetrain loss those numbers represent 602hp and 636 torque. Yeah - a straight six is a beautiful thing. Tuned car = more power = more temperature in combustion chamber = more temperature on cylinder walls touching the coolant = more possibility of localised boiling. I imagine the S55 and B58 will be further improvements, but most are still too new to see what carbon build-up will look like in the long-run. 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). Too much trouble. We also think the B58 should hold up a bit better as it ages. Ill get to enjoy it a few more days before I say goodbye. [QUOTE username=Triple Seven userid=8864359 postid=1331739771]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! Nonetheless, the B58 off to an impressive start in both performance and reliability. The question is , how much torque can the ZF gearbox version used in the petrol version handle? We appreciate the positive feedback. It is common to see these engines with high mileage which serves as a testament to their reliability. You can typically see built-up blue or green coolant residue collecting around the hole from under the car. Hi Adam, Thanks for the information. Own 2014 535ix great engine, but with common problems at 83 k miles valva cover gasket and oil filter gasket leaking. Rednecks landed on the moon and rednecks didnt shy away from enlisting when usa was in danger / need. Itd be great to know how these engines compare in that regard, especially as Im eyeing the M340i. Scotland to be precise. There have been a few cases of issues with the crank hub, however it was blown out of proportion due to a company coming up with a product that was claimed to solve the issue. The engine room is simply too full with views inaccessible. One of our N54s went 113,000 miles before its first walnut blast. Bit of methanol injection will help keep your intake valves cleaner. Don't sweat it if you're only topping up small amounts on occasion. Hi mate. Since the initial release of the BMW N54, the engine has gained quite a positive reputation in the tuning community. When you lookup BMW coolant, you will see that there is same mixing advice for 1.6 non charged 80bhp mini cooper for Canada region and M3 for UAE region. Right by the timing chainat the back of the engine. Pistons are not forged, however they're pretty strongBlock Design: Closed DeckRedline: 7500Injectors: Bosch solenoid style direct injectors. The N55 has proven to be a reliable engine but is edged out by the B58. This is a really concerning trend because throughout the world there is more balance on modding the car, people concentrate on suspension, braking, batter traction controls, better tires, but there is one very localised trend prioritising upgrading a blower and still having your car on budget tires. The B58 engine was named to Ward's World's 10 Best Engines 4 times, in 2016 (installed in the . Any of the engines mentioned in this article will experience carbon build-up. 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. Regardless, the B58 is working up to be a reliable engine in its young career. Regular oil changes are vital on the B58, especially when tuned and will help extend the life and reliability of the engine. No matter which of these BMW engines you choose to make your own you cannot go wrong, in our minds. In fact, it may not have an equal among all engines on the. This is a serious issue that most of the time will require complete engine block replacement but fortunately, it is a rare occurrence. It will save you tone of money in unnecessary repairs bills. Either will be plenty of HP in stock form, but I would probably do intake, down pipe, and exhaust, and replace all known gasket and seals that can be issues before installation. Totally agree. Reliability scores the highest marks compared to the N54, N55, and S55. However, there is one more thing. Automotive Performance, Tuning, & Modification. You can use the opportunity to negotiate the price down, and use the cash to replace the most common issues that actually do happen on bmw engines (rocker cover gaskets etc there are few useful write-ups on what you can actually find on each model so do some reading before you look at listings again). A handful of early production B58's experience issues with the crankshaft guide bearing. There's a difference between durability and reliability. The B58 engine produces 320 horsepower and 332 lb-ft of torque in the F30 340i. They keep forgetting that only at around 2000 trend of thermostats should fail open, not close became an industry wide thing. True BMW enthusiast street-wear hand printed under our 40Roll clothing brand. The N55 was replaced in 2016 by the B58. Thanks. AND reliable! e90 200k miles. So please stop sawing the disinformation about bad bmw reliability, that typically is hallmark of Fix Or Repair Daily shitboxes. 2015 335i 4 series coupe has been a great auto. The N55 may not be as reliable as the B58, but it is still considered a dependable engine. There really should be no such thing as natural coolant loss. Hi the B58 is not the same engine as M4 M4 is S55. Yes Im in the UK John. It has honestly amazingly smooth power delivery and sounds better. I think being on a slight uphill helps show this pulsing I assume due to the increased load. BMW quoted the N54 at 300hp, however, independent testing suggested numbers at the crank closer to 330hp. I couldnt imagine them using it if there was in fact an issue. Disintegrated oil filters pop up frequently, but are not serious in most cases. They also generally charge a bit more since they work with BMW to keep the factory warranty. [/QUOTE]. Sounds like closed deck system like s55 doesnt have as much overheating problems? It cost about 180 Euro. This usually occurs during startup, but can still continue when the engine is warm. 350-400whp will require at least a decent set of performance tires. Cool build but completely impractical for staged kits, but just cool to see anyway. Crankcase re-design (crankshaft and walls), Updated cylinder head with integrated manifold, Engine hesitation and bogging, especially at lower RPM's. The B58 oil filter is prone to shearing at the bottom. I sent the original map to the tuner and they modified it then I reinject the modified map by myself. We may receive a commission for purchases made through these links. Not quite sure wether its a B58 or still the N55 thougj.. any ideas? The B58 features a forged crankshaft and a closed deck design in comparison. The B58 uses two solenoids. 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. If you DIY repairs these cars mainly have problems with external engine components. Replace valve cover gasket and oil pan gasket at 160K. If youre having any warranty work done youll probably want to remove the JB4 tune to error on the side of caution. Haha were always down to go harder and push things to the limit. Certain G series models began receiving the updated B58TU1 in 2019. Then, after I had an e60 550 totaled by a drunk driver, I got an f10 535i with the n55. Usually, owners dont report major issue. This is where the B58's heat encapsulation system may come into play. "Natural" is in quotations for a reason. Independent repair shops often have much better pricing, but repairs will still be expensive if and when theyre needed. my buddy still has: I live in a cold climate, so the whole heat encapsulation thing is really nice. Thank you for your comment. 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. 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High horsepower cars are increasingly more common these are still absolutely insane numbers 113,000 miles its., they have large power and torque bands along with minimal turbo lag, should. Transmission / ECU problem to me.. # directly into the valve cover upgraded turbo ( s ) will any. A second turbocharger make the S55 a performance engine to drool over problems external. N55 has proven to be a reliable engine in its system solenoid style direct injectors of information personal... I reinject the modified map by myself we also think the B58 engine produces 320 horsepower and lb-ft... Noise under load best record it from engine bay to me.... A great auto have much better pricing, but repairs will still be if...
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