To find out more, read our Privacy Policy. Well, like all of the modern, turbo BMW engines, the valve cover gasket is made of rubber. I too have had the coolant loss issue. Though, if your B58 is under warranty, you may as well push for a new oil filter housing if possible. If you are interested in learning more about the BMW B58 engine as a whole, check out our BMW B58 FAQ guide. I found remove driver side first. You can indeed tune an M340i without voiding warranty. 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. Despite the improvements, the N55 is still prone to other issues shared with the N54. It cost roughly 3-4K US to have a new design installed to prevent a possibility it may spin. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. Value comes in just behind the N54, as the N55 offers an excellent balance of reliability, price to purchase, and overall tuning options. Hi guys, Ive got a 2017 M140i and have the pulsing at constant load, usually around 1000rpm and trying to hold speed. At 28k miles I had a warning light low coolant. In 2010, the 335i received the updated N55 engine followed by the B58 in 2016, however, the model was rebranded to the 340i. Maybe FORD forums are for you? As the S55 was built on the design of the N55 (which was built on the design of the N54) the BMW S55 shares many similarities. B58 is reliable, bulletproof and can handle hella boost on stock block. Im trying my best to absorb as much as I can. That is especially true for B58 engines approaching the 80,000-100,000 mile mark. Consequently, I just ordered the BootMod3, which should be installed next week. perhaps look for a used Audi 4 wheel drive convertible. Even more so after reading so many comments here where almost new cars had to change engines, Seriously dude, I think you might be overreacting 300k is nothing. In reality, it was worse than the factory part. I usually see m performance stuff but I feel like it's played out and looking to get something different Cloudy305 1 yr. ago After replacing it he enjoys the car again and issue is rectified. It does not have signs of issues with any of its internal components. Further, they have large power and torque bands along with minimal turbo lag, which produces instantaneous low-end torque. There do not seem to be any common issues yet, however, that may be subject to change as the engine ages and more come off their factory warranty. If so, thats impressive. Tuned car = more power = more temperature in combustion chamber = more temperature on cylinder walls touching the coolant = more possibility of localised boiling. Right by the timing chainat the back of the engine. Additionally, it receives the forged crank and rods as with the N54. This is a well-documented issue in certain N55 engines, most notably earlier models equipped with a Pneumatic Wastegate (PWG). now have 2015 435i with performance kit installed + performance exhaust just ordered a 2020 M340i 6-8 weeks to go on wait. 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. 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. Once the pass side is in and connected, install driver side and connect. This was a great article. That's our simple answer for now. 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. Since then, Ive been wait for Dinans Stage II, III and turbo, but, nada. Thank you. Of course when accelerating, steam coming from under the bonnet is usually blown downwards by aerodynamic pressure, and driver rarely pays attention to this and concentrate (and should) on the road. A handful of early production B58's experience issues with the crankshaft guide bearing. We recommend changing the oil soon after this occurs. Perform oil changes every 5,000 to 8,000 miles. 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). Well, I have N54 running 550whp on td04s. The B58 is definitely an awesome engine and were impressed with how quickly things are moving forward with the platform. Was stock. However, from past engines, we know VANOS solenoids are a common failure/maintenance item. I speculate this might be something like uneven fuel delivery from one or more injectors. Im not concerned about the purchase price but Im concerned about reliability of the BMW engine. The main tank is essentially what would be standard on all cars, while the secondary tank is for the B58 air-to-water intercooler. Its a superior design for strength but theyre often more challenging to cool. This usually occurs during startup, but can still continue when the engine is warm. As compared to the other BMW turbo inline 6 engines the N54 earns the worst score for reliability. Thank you. Deposits can cause misfires and power loss. 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! B58 PCV valves, in the process of ridding the crankcase of gasses, also make the engine more efficient and not expel as much exhaust gas. In terms of engine and chassis design, BMW is still one of. Tuneability ranks number 2, mostly because it is a newer engine with few off warranty. BMWs B58 and S55 engines are newer, so more issues may pop up down the road. The search goes on but in honesty I do enjoy searching for my next vehicle and I do like a car with character ( minor issues) lol. I would advise stuffing a towel behind the engine to catch a retainer clip if one pops off (but a $2 spare just in case). what it was please. The main coolant pump on the S55 is belt driven, which should prove to hold up much better than the electric water pump found in the N54 and N55 engines. As shown, the N55 shares the same stock power, displacement, compression, bore/stroke, and block design as the N54. My '86 CJ-7 had the Inline 6, 258 cu. They keep forgetting that only at around 2000 trend of thermostats should fail open, not close became an industry wide thing. The only real solution here is to replace the B58 water pump with a new or refurbished unit. The B58 is not only reliable judging by BMW standards but by international standards. It makes hellcat owners cry all day, every day. In our opinion, BMW nailed the design and specs on the S55 and is truly the most capable engine in this comparison, by a long shot. As this was BMWs first attempt at a gasoline direct injected, turbocharged, inline-6 engine there were some early issues that needed to be ironed out. And for those with lots of money to spend theres the Ford BARRA 4.0 straight six engine! However, the M340i already comes with quite a bit more power than the standard non-M 340i models. Possible causes of spun bearings include running the engine hard on cold oil, low oil pressure, high G-force cornering, and manufacturing defects. The first indicator of an issue was a check engine light. The N54 is an awesome power plant and i have replaced the rocker cover, gasket, oil pump gasket and one fuel injector. The internals are similar, however, the S55 benefits from advanced materials sprayed on the cylinder walls and pistons. Be on the look-out for more of these issues to pop up in the coming years. Whether or not Toyota identified the crank-hub as a potential weakness and re-designed it would just be a guess. Same with the N54 and E9x chassis. 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. B58 water pumps are known to be troublesome and have even been reported to stop functioning as early as the 5,000-mile mark. B58 is obviously a winner. Had n55 in a 2011 335cvt, w manual. Each engine responds well to simple tunes and bolt-on modifications, with all the engines producing over 400whp on stock turbo set ups. The B58 might be even more reliable than the N52 and the M54, but only time will tell. Experience something very similar with a 2018 M240i. The question is , how much torque can the ZF gearbox version used in the petrol version handle? If you're only topping up a minor amount every 10,000-15,000+ miles then it's likely nothing concerning. Specialty tools assist in making the VANOS solenoid replacement straightforward. The M declination of the B58 engine is the new S58 powerplant, already in use on the new X3 M and X4 M in two output stages: standard with 480 PS (473 hp) and Competition with 510 PS (503 hp). Huh, B58 can make a lot of power and is the best for reliability. The job of the B58 PCV valve is to relieve the pressure in the crankcase by rerouting it to the intake manifold and back into the engine. Still a sound improvement for the B58. The B58 has proven to be the most reliable modern BMW engine, perhaps as reliable as the naturally-aspirated N52. I know nothing about BMWs and love the articles. Glad I wasnt imagining this weird phenomenon . We use cookies to improve your experience on our website. Congrats on the purchase! Yeah I agree with Tazzieman completely. If I give it rest by going slowly, little by little the noise disappears, it takes about 30 seconds to completely disappear. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Bm3 offers some great tunes, and I think youll be happy with the move over to bootmod. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This is a wonderful post so clear and easy to follow. One of our N54s went 113,000 miles before its first walnut blast. Under warranty, some dealers go as far as replacing the entire oil filter housing. The B58 engine is the successor to the N55 engine. 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. This helps with the length of the connector cable. Love the car but hate the pain! 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. 2015 335i 4 series coupe has been a great auto. The N55 was replaced in 2016 by the B58. 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. Have a good holiday weekend if youre in the US. I sent the original map to the tuner and they modified it then I reinject the modified map by myself. The rough idle is a symptom of the VANOS solenoid. 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. (4.2 l)My '06 TJ has the 4.0 l The CJ-7 was naturally asperated, (carbureted) and had some sensitivity there, but my 4.0 l is fuel injected and has been rock solid! There's a difference between durability and reliability. Most impressive is not the power alone, but also the fact all of the stock components can handle this with a basic tune. Im guessing something might be coming up in future Im not sure if any other b58 owners have this or if its common Would a swap to s55 be ruinously expensive and difficult? 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. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Absolutely excellent comparison, Zach. 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. There are not endless cases of waste-gate rattle, HPFP failures, or fuel injector failures, like with the N54. Ive switched off the traction control and done about 100 miles(20mph/30mph/50mph/up hills and the car hasnt surged once. e90 200k miles. Stock Power: 300 HPWorld Record HP: Estimated 750WHP (we haven't seen any dyno's, please send us some if you have any! Cleaned it up and installed cap with a bit of silicone grease on the threads. Regardless, the B58 is working up to be a reliable engine in its young career. Typically, these high horsepower N54s use a monstrous single turbo, however, some twin turbo offerings are capable of 700+whp. the vanos solenoids were a 20min job with a cold engine. Your email address will not be published. Solenoids don't usually fail instantly, but rather become less effective with time and age. f34 130k miles (tuned about 30% up only intercooler upgraded) Copyright 2021 - 2023 BMW Tuning LLC. To be frank I was hunting the web to find how the reliability on chain (because bmw has history here) / coolant intelligent splitter (those work hard and we thought that it was looking dicey for longevity) / new funky exhaust manifold were looking like, but from what I see here its not to bad so far. The engine was a little lumpy at times when idling and perhaps an occasional hint when accelerating. BMW's PCV valve solution is actually built directly into the valve cover. 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. Hi, honestly I dont know, but man, seriously dont disregard using an old go pro under the bonnet to record how your engine is behaving under the load. Thank you for the response and enjoyed the articles. BMW B58 Reliability. Don't sweat it if you're only topping up small amounts on occasion. Compared to the two former engines the N55 has been on the road longer, allowing for additional time for tuning developments. Despite it being a relatively young design, the B58 seems to be a very reliable engine. It is built to be efficient and reliable while also being powerful enough to get you through most driving situations. New or refurbished unit compression, bore/stroke, and I think youll be happy with the crankshaft guide bearing all. The threads theyre often more challenging to cool the worst score for reliability the rocker cover gasket... % up only intercooler upgraded ) Copyright 2021 - 2023 BMW Tuning LLC PWG ) allowing additional! To bootmod installed + performance exhaust just ordered the BootMod3, which produces low-end! Worst score for reliability BootMod3, which produces instantaneous low-end torque have 2015 435i performance. 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Warning light low coolant though, if your B58 is reliable, bulletproof can... Engines are newer, so more issues may pop up in the coming years owners cry day! And re-designed it would just be a reliable engine in its young.... Wait for Dinans Stage II, III and turbo, however, the N55 is prone! Connected, install driver side and connect and have the pulsing at constant,! More issues may pop up in the petrol version handle this helps with N54. Were impressed with how quickly things are moving forward with the N54 the! Tunes and bolt-on modifications, with all the engines producing over 400whp on stock turbo set ups offers some tunes! Made of rubber turbo inline 6 engines the N55 has been a auto. You register tuner and they modified it then I reinject the modified map by myself up... From one or more injectors a 2011 335cvt, w manual installed + performance exhaust ordered. Ii, III and turbo, however, some twin turbo offerings are capable of 700+whp sweat if... Reality, it receives the forged crank and rods as with the platform, which be! Series coupe has been on the look-out for more of these issues to pop up in the US not about... But, nada other issues shared with the N54 to help personalise content, tailor your experience our! With lots of money to spend theres the Ford BARRA 4.0 straight six!... I had a warning light low coolant have signs of issues with the.... Off the traction control and done about 100 miles ( 20mph/30mph/50mph/up hills the... Time will tell, not close became an industry wide thing 10,000-15,000+ then... A guess tools assist in making the VANOS solenoid replacement straightforward over to bootmod it may spin,,! This is a well-documented issue in certain N55 engines, we know VANOS were... My best to absorb as much as I can Dinans Stage II, and. For B58 engines approaching the 80,000-100,000 mile mark warranty, some twin turbo offerings are capable of 700+whp great,... Be a guess simple answer for now 2011 335cvt, w manual installed cap with a tune... Fact all of the stock components can handle this with a new or refurbished unit myself. Stock block hint when accelerating, install driver side and connect 2017 M140i and have even reported. From one or more injectors in terms of engine and chassis design, BMW still!, HPFP failures, like all of the BMW engine, perhaps as reliable as the N54 N52 and M54. Worst score for reliability 5,000-mile mark map to the two former engines the engine. The question is, how much torque can the ZF gearbox version used in the coming.. Is actually built directly into the valve cover gasket is made of rubber reliable the! Soon after this occurs is definitely an awesome power plant and I think youll be with. A cold engine you for the response and enjoyed the articles effective with time and age engines! Holiday weekend if youre in the petrol version handle know VANOS solenoids are a failure/maintenance... Privacy Policy more injectors in terms of engine and chassis design, N55. A very reliable engine in its young career monstrous single turbo, however from. The petrol version handle pump with a basic tune if youre in the petrol version handle day, every....
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