In terms of potential it’ll be S55, B58, then N54 - but B58 is probably in that sweet spot of relatively low maintenance for the power you can get. First is BMW’s S55. VS holds the record for fastest N54 from 60-130MPH recorded on draggy and fastest half mile at 175MPH during the NFZ event in AZ. 4 interest-free installments or from $67. S55 Delphi coil 14V @ 2. The S55 came onto the scene four years after the introduction of the N55 in the 2014 F80 M3 and F82 M4. What i find the most interesting is the pure stage 2 n55 vs the rb n54, here you can see below 3500rpm the rbs have the pure. But to get the N55 up to snuff for M2. N54 / N55 Black Market Parts (BMP) E9X/E8X Modular Bucket-less Fuel Pump (Stages 2-3. The biggest difference though is how everything is cooled, the S55 mill having a closed-deck block while the N55 has an open-deck design. The S55 has different bore and stroke dimensions than the N54/N55, despite identical displacement. First is BMW’s S55. These plugs are compatible with all turbo BMW motors including the N20, N54, N55, S55, N63, N63TU, B38, B48, S63, and S63TU. The biggest difference though is how everything is cooled, the S55 mill having a closed-deck block while the N55 has an open-deck design. S55 is an inline-6, high-rev, turbocharged petrol engine. The Supra does not get the S58(yet). The N55 debuted on the F07 5 Series Gran Turismo in 2009 and was the German manufacturer’s first mass-produced engine to feature a twin-scroll turbocharger. DCT is our specialty! WE got the torque values down to a science. MOTORES N54 VS N55: TODO LO QUE NECESITAS SABER / TWIN TURBO & M POWER TWIN TURBO & M POWER 2. BMW S55 F8X; View all; S55 F8X BorgWarner; S55 F8X Precision; S55 F8X Garrett Turbo of your choice (T4 twin-scroll, from Garrett, BorgWarner, Precision, Pulsar, or VS Racing) T4 Cast Manifold: Ceramic or. The S55 and N55 have the exact same bore and stroke (84. The crank is the only thing that is forged on an n54 and yes you can put it into an n55. S55 Engine Teardown Shows Differences to N55>Video: BMW S55 Engine Teardown Shows Differences to N55. Very common that it’ll dyno higher torque than hp with the stock twin turbos. Unlike the S55 engine in the BMW M3/M4, the M2’s N55 feels like an old-school BMW I6 that loves to rev and makes a snarling, metallic noise as it does it. Heat ranges arent a very big deal unless youre too hot or too cold, but too hot can be bad. You cant just copy and paste the dwell tables simply because n54 uses rpm vs voltage with a temperature scaler (not in most xdfs) while n55 indexes load as well. As we learn more about the S55, some of its top-line specifications seem very similar to the n54. 69/mo with View sample plans Engine Quantity Add to Cart We have been in the. As we all know, the N54 is the german equivalent of the 2JZ. The N54 is generally going to be cheaper to build a 400-700whp engine when compared to the 2JZ. This is a comparison of s55 full bolt ons, n54 twin scroll 5862, n54 rb turbo, and n55 pure stage 2. l4 GAS DOHC Turbocharged: Please Check your engine code! All S55, N54, N55, N52 ONLY Read more Read more compatibility notes Read less Read. B58: Which One is Better? – Dust Runners. The ones from the n55 and s55 M2 are different to N54 as they used different control methodology and use different ratios. We would argue 700-750whp on an open-deck aluminum block is more impressive than 800whp on a closed-deck cast iron block. Just need to swap over the n54 crank position sensor and damper as well possibly. The main differences between the N55 and its N54 predecessor are the use of a single turbocharger, the addition of Valvetronic and the type of fuel injectors. Evolve Performance Billet Oil Filler Cap. Winner: Toyota 2JZ-GTE N54 vs 2JZ: Low-end Torque. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. The BMW N54 engine utilizes a twin turbo, direct gasoline injection design. Crank Seal Serpentine Belt Guard For BMW N54 N55 N52 S55 …. Early specs (late 2013 to early 2014) showed the S55 to have a bore of 89. Todays video will give you all of your favorite BMW engines. Please Check your engine code! All S55, N54, N55, N52 ONLY Read more Read more compatibility notes Read less Read less compatibility notes: 2021: BMW: M135i: xDrive Hatchback 2-Door: 2. Obviously that is an impossibility and we should do our best to prevent any further misinformation from spreading. Weve spent the last two years developing our S55 top mount kit - design updates and validation ensures our customers get a reliable kit that performs. VS - Refurbished Injectors N54 N55 S55 B58 S58 Sale $750. B58 Coils On A N54: BUDGET COIL UPGRADE IN THEORY. Just need to swap over the n54 crank position sensor and damper as well possibly. N55 swaps/interchangability. Very common that itll dyno higher torque than hp with the stock twin turbos. 2) N54 with all bolt on mods and RB (hybrid) turbos tuned for E50 + meth 3) N55 with all bolt on mods and Vargas (hybrid) turbo tuned for meth Runs were done on the same dyno and 1-3 are all tuned as aggressively as possible. While the N54 was BMWs first mass-produced turbocharged engine, the N55 was their first engine to use a twin-scroll turbocharger. It especially does with the twins…peak torque comes on at 2500-3000rpm lol. The S55 engine used in the M2/M3/M4 uses a dual-pickup oil pump that is both more efficient and better adapted for track and racing use than the standard N55 oil pump. Of course, the N54 is somewhat of a legend in the tuning community, but it still pales in comparison to the S55. FBO E50 N54 E92 335i VS STOCK F82 M4 S55 #automobile …. Its the first mass production engine from BMW to feature this technology together. ★ DISCOUNTED COMBO DEAL: 2 Step Package Includes:. 63K subscribers Subscribe 1K 35K views 2 years ago #N54 #N55 #BMW En el vídeo de hoy hablaremos. Outside of this over blown issue, the S55 appears to be a bulletproof engine. No big deal and save a bundle compared to the competition. 2) N54 with all bolt on mods and RB (hybrid) turbos tuned for E50 + meth 3) N55 with all bolt on mods and Vargas (hybrid) turbo tuned for meth Runs were done on the same dyno and 1-3 are all tuned as aggressively as possible. However, the problems are very isolated and uncommon. N54 and n55 coils use the same dwell effectively as the coils are basically identical other than manufacturers, which change based on deals and bidding wars generally. It is equipped with the new BMW’s M TwinPower Technology: two mono-scroll turbochargers that can develop up to 7500RPM, high precision direct-injection, and Valvetronic VVT, and double VANOS variable camshaft timing that provides complete control on intake valve lift. VS holds the record for fastest N54 from 60-130MPH recorded on draggy and fastest half mile at 175MPH during the NFZ event in AZ. The internals are similar, however, the S55 benefits from advanced materials sprayed on the cylinder walls and pistons. Did BMW live up to that credibility? Well, for beginners, the newest Toyota Supra uses BMW’s B58 engine, and Lexus is considering using it in their IS models. N55 Dyno Comparison BMW M3 and BMW M4 Forum > BMW F80 M3 / F82 M4 Technical Topics > Engine / Drivetrain / Exhaust / Bolt-ons / Tuning S55 vs. (T4 from Garrett, BorgWarner, Precision, Pulsar or VS Racing) T4. Now, the S55 makes 600+whp a lot easier. One would hope the b58 is an advance over the n54. n55 vs n54 vs s55. However, the N54 does close the gap a little bit in the real world. Most interesting about the S55 coil is that it does have a bit more room in it for a slight increase in dwell time to 2. 63K subscribers Subscribe 1K 35K views 2 years ago #N54 #N55 #BMW En el vídeo de hoy hablaremos. They are two steps colder than stock N54 plugs and suggested all tuned applications across almost all BMW turbo models. S55 problems revolved around a complaint that besieged the S55 engines, that some engines produced before 2016 were HPFP failure bound that resulted in a spun crank hub. The biggest difference though is how everything is cooled, the S55 mill having a closed-deck block while the N55 has an open-deck design. Ultimate BMW N55 Engine Guide – Myspeed. An aluminum open-deck block and aluminum head help keep weight down. 2) N54 with all bolt on mods and RB (hybrid) turbos tuned for E50 + meth 3) N55 with all bolt on mods and Vargas (hybrid) turbo tuned for meth Runs were done on the same dyno and 1-3 are all tuned as. Too cold can misfire and foul if you put around town for short trips and the engine never even gets up to temp, but too hot can cause knock. #1 Now that the manual Supra is coming out, and being familiar with tracking BMWs - S54, S55, N54 - Im on the fence. The main and most telling difference is usable powerband and revability of the motor. The N54 is a legend in the tuning world, the N55 developed off that and enhanced reliability, and the S55 is a force to be considered in tuning, power, and. The engine stand plates currently fit the following engines, N54, N55, S55, B58, S58 with more to come! These are lightweight, and rated for over 1200 lbs!. The N54 is known for its monster down low torque. N54 makes a good amount of torque down low. BMW S55 TURBO KIT – Speedtech. Unlike the S55 engine in the BMW M3/M4, the M2’s N55 feels like an old-school BMW I6 that loves to rev and makes a snarling, metallic noise as it does it. Todays video will give you all of your favorite BMW engines explained and will give. N54 Vs S55The N54 is a legend in the tuning world, the N55 developed off that and enhanced reliability, and the S55 is a force to be considered in tuning, power, and reliability. It came out 10 years later and after the gen 2 n54 aka n55 which was the unsuccessful successor to the n54 in many peoples opinions. The main and most telling difference is usable powerband and revability of the motor. On the N54/55 engine, they placed the alternator, AC compressor, timing chain and engine oil filter assembly towards the front portion of the engine, therefore the engine’s center of gravity center to be front-biased. Arguably, the most significant difference between the N54 and N55 is the turbochargers; the N54 bolsters true twin turbochargers while its N55 counterpart carries a single twin-scroll turbocharger. MOTORES N54 VS N55: TODO LO QUE NECESITAS SABER / TWIN TURBO & M POWER TWIN TURBO & M POWER 2. IF, and I do mean IF the B58 is better than the N54, by transitive property the B58 is then better than the 2JZ. The gains down low far more than make up for this. BMW N54 Top Mount Turbo Kit; BMW N54 Bottom Mount Turbo Kit; BMW N55 Bottom Mount Turbo Kit BMW S55 F8X Expand submenu. The oil pressure sensor is supplied with 5 V voltage by the DME. The N54 is a legend in the tuning world, the N55 developed off that and enhanced reliability, and the S55 is a force to be considered in tuning, power, and reliability. Todays video will give you all of your favorite BMW engine. N55 Dyno Comparison BMW M3 and BMW M4 Forum > BMW F80 M3 / F82 M4 Technical Topics > Engine / Drivetrain / Exhaust / Bolt-ons / Tuning S55 vs. VS - Refurbished Injectors N54 N55 S55 B58 S58 Sale $750. us My Yahoo! « Previous Thread / Next Thread » All times are GMT -5. This BMW Engine is FINALLY Toyota Level Reliable (N54/N55/S55/B58). When comparing the horsepower and torque of both engines in stock form, the S58 is the clear winner out of the two. Just about every part of the S55 is bigger, better, and stronger than on the N54. 69/mo with View sample plans Engine Quantity Add to Cart We have been in the N54/N55/S55 platform for a long while now. In late 2013, BMW introduced the S55 on the F80 M3 and F82 M4, and the engine eventually made its way onto the F87 M2 Competition/CS. N54 is last due to the reliability issues. Turbo Systems BMW M4 (F82) N54/N55/S55 Crank Hub Upgrade. Please Check your engine code! All S55, N54, N55, N52 ONLY Read more Read more compatibility notes Read less Read less compatibility notes: 2021: BMW: M135i: xDrive Hatchback 2-Door: 2. However, the S55 hub is the same design used for N54 and N55. MOTORES N54 VS N55: TODO LO QUE NECESITAS SABER. Which one is more reliable, the N55 or B58? I’m skipping out on …. A twin-scroll turbocharger is a single turbo where the exhaust housing of the turbocharger is split into 2 “scrolls”. The BMW N54, N55, S55, and b58 are all important BMW engines but there are some big differences. Arguably, the most significant difference between the N54 and N55 is the turbochargers; the N54 bolsters true twin turbochargers while its N55 counterpart. How To Replace Your Rod Bearings At Home / BMW N54 DIY Vehicular DIY 79K views 2 years ago Differences Between the BMW S55 & N55 Engines / FULL BREAKDOWN! Simply Car Things 80K views 3 years. Nonetheless, the 2JZ-GTE is still the stronger engine. N54 can have tons of issues given it’s design and S55, while rock solid reliable, requires a little more care when pushing big power numbers. N54 and n55 coils use the same dwell effectively as the coils are basically identical other than manufacturers, which change based on deals and bidding wars generally. N54 makes a good amount of torque down low. For long term hard use, which is more reliable? I know BMWs had main bearing and vanos issues in the past, how about the VR30? Lets just compare stock to stock for now, which is more robust? Last edited: Jul 30, 2022 Blackbeard. The N55 debuted on the F07 5 Series Gran Turismo in 2009 and was the German manufacturers first mass-produced engine to feature a twin-scroll turbocharger. It especially does with the twinspeak torque comes on at 2500-3000rpm lol. The introduction of the S55 was a really interesting move by BMW because the E90/E92 M3 was the first M3 to. The main differences between the N55 and its N54 predecessor are the use of a single turbocharger, the addition of Valvetronic and the type of fuel injectors. The N54 redlines at just under 7K but the turbos lose steam past approx 5900-6000 RPM. BMW S55 Engine Overview – Everything You Need to Know. Sister company VS-Performance is a shop in Mesa, AZ that specializes in BMW. However; the B58 treats this differently: it places the oil filter and its radiator, VANOS timing chain to the back of the engine. SCSN タイミングチェーンキットガイドレール 11318648732 11317502180 B-MW M4 S55 N55 N54 N53 N52 N51 N20用自動車 / cadan. The S55 is a high-performance version of BMW’s N55 engine. From the years Ive spent on various N54 forums and now seeing the FB groups, the typical order of events is usually: A) Nowadays: Poor running or misfire after many many miles on factory-installed Bosch coils -> swap to Eldor/Delphi because theyre the current OE coils -> better running due to brand new coils = oh wow, these Delphis really. Made from T6061 billet aluminium; Direct replacement for OEM filler cap; Suitable for N54, N55, S55 and B58 engines. BMW S55 F8X; View all; S55 F8X BorgWarner; S55 F8X Precision; S55 F8X Garrett; BorgWarner, Precision, Pulsar or VS Racing) T4 Cast Manifold: Ceramic or Non-Ceramic Coated Manifold (divided for twin. The N55 twin-scroll turbo provides a little faster turbo spool and provides peak torque 100 RPM’s faster than the N54; a characteristic that is not visible as each turbo established spindles rapidly and delivers impressive torque through-out. The VS team lead by Omar M. Some minute differences. Arguably, the most significant difference between the N54 and N55 is the turbochargers; the N54 bolsters true twin turbochargers while its N55 counterpart carries a single twin-scroll turbocharger. S55 is an inline-6, high-rev, turbocharged petrol engine. The S55 and N55 have the exact same bore and stroke (84. Please Check your engine code! Only For S55, N54, N55, N52 Read more Read more compatibility notes Read less Read less compatibility notes: 2021: BMW: M135i: xDrive Hatchback 2-Door: 2. I think you need to transfer a few items from your motor (HPFP and turbo for example) but majority of the notor was compatible. Detailing differences between n54 and s55. Did BMW live up to that credibility? Well, for beginners, the newest Toyota Supra uses BMWs B58 engine, and Lexus is considering using it in their IS models. There was someone on n54 tech that used an f series motor in their e series car I believe. In terms of potential it’ll be S55, B58, then N54 - but B58 is probably in that sweet spot of relatively low maintenance for the power you can get. One would hope the b58 is an advance over the n54. We specialize in all N54 tuning and excel in the DCT area. The S55 is a high-performance version of BMWs N55 engine. The crank is the only thing that is forged on an n54 and yes you can put it into an n55. VS - Refurbished Injectors N54 N55 S55 B58 S58 Sale $750. What’s New With the BMW B58 Engine Compared to the N54/N55. MOTORES N54 VS N55: TODO LO QUE NECESITAS SABER / TWIN TURBO & M POWER TWIN TURBO & M POWER 2. The N54 redlines at just under 7K but the turbos lose steam past approx 5900. The BMW N54 vs N55 debate is one that has been raging since the introduction of the N55 in 2009. The S55 has different bore and stroke dimensions than the N54/N55, despite identical displacement. Why does the S55 sound so much different than the N54/N55?. N55 and S55 are 2 steps colder than OEM to begin with iirc. S55 sound so much different than the N54/N55?>Why does the S55 sound so much different than the N54/N55?. N54 can have tons of issues given its design and S55, while rock solid reliable, requires a little more care when pushing big power numbers. Which one is more reliable, the N55 or B58? I’m. In this video I review some technical documents by BMW discussing the N54 and N55 and some of the differences between the two turbocharged BMW inline 6 engin. Fbo M4 (S55) VS Single Turbo (N54). VTT Billet BMW N54/N55/S55/B58/S58 Engine Stand Plates. That means the block of the S55 can take more abuse and. BMW N54 Spark Plug & Ignition Coil Replacement + The BEST Gap Method! (135i, 335i, 535i DIY) Jake Spence There Are So Many Ways To Make Your BMW Run Vehicular DIY Towed In From Another Shop For A. It’s the first mass production engine from BMW to feature this technology together. VS - Stage 2 (E Series N54/N55) On sale from $300 Sale Designed, Engineered, & Made in the USA We over at Vader Solutions proudly machine and assemble all our components here in the US. Still cant stand S55 or S58 exhaust notes, even after the equal length midpipes. We over at Vader Solutions proudly machine and assemble all our components here in the US. From the years Ive spent on various N54 forums and now seeing the FB groups, the typical order of events is usually: A) Nowadays: Poor running or misfire after many many miles on factory-installed Bosch coils -> swap to Eldor/Delphi because theyre the current OE coils -> better running due to brand new coils = oh wow, these Delphis really. S55 Engine Overview – Everything You Need to Know>BMW S55 Engine Overview – Everything You Need to Know. Video: BMW S55 Engine Teardown Shows Differences to N55. 5 ms produced 89 mJ (14% increase over the Bosch & Delphi N54/N55 coils). N54: The best Plugs, Injectors and Coils Thread. Since the BMW N54 and N55 share a similar design and have a lot in common overall, comparisons were bound to spring up. l4 GAS DOHC Turbocharged: Please Check your engine code! Only For S55, N54, N55, N52 Read more Read more. In terms of potential it’ll be S55, B58, then N54 - but B58 is probably in that sweet spot of relatively low maintenance for the power you can get. The standard crank hubs of these engines are known to cause problems when the horsepower exceeds the . BMW N54 Top Mount Turbo Kit; BMW N54 Bottom Mount Turbo Kit; BMW N55 Bottom Mount Turbo Kit; STORE Expand submenu. The S55 has different bore and stroke dimensions than the N54/N55, despite identical displacement. Designed, Engineered, & Made in the USA. With partially forged. It came out 10 years later and after the gen 2 n54 aka n55 which was the unsuccessful successor to the n54. So would help to determine what your goals are no reason at all to put an n54 in an n55 vehicle if thats what youre asking. Most of the n54 and n55 DCTs are the same. S55 vs. BMW N54 N55 S55 to 8HP70 N57 Adapter Plate. We suggest setting the gap down to 0. With 473 hp (503 hp in Competition models) and 443 lb⋅ft of torque, it outputs significantly more power than even the higher output version of the B58, which comes in at 382 hp & 369 lb⋅ft of torque. Introduction to Both Engines Not too long after the N54 was released in 2006, BMW began implementing the N55 in 2010 and compared to the N54, . The S55 is a high-performance version of BMW’s N55 engine. The N54 is known. The BMW N54 engine utilizes a twin turbo, direct gasoline injection design. So would help to determine what your goals are no reason at all to put an n54 in an n55 vehicle if thats what youre asking. It turns out that the company TPG Tuning, which sells aftermarket crank hubs, made fraudulent. The S55 engine used in the M2/M3/M4 uses a dual-pickup oil pump that is both more efficient and better adapted for track and racing use than the standard N55 oil pump. E92 m3 is a different bellhousing yes. ago Appreciate it! Flotime • 1 yr. The main differences between the N55 and its N54 predecessor are the use of a single turbocharger, the addition of Valvetronic and the type of fuel injectors. The order of engines goes like this in MY opinion: N54 S55 S58 N55 B58 The S58 blows the fucking B58 out of the water. It is making significantly more power than the S55 right up to 5800RPM, and over 100HP extra at 2500RPM. N54 can have tons of issues given. While the N54 was BMW’s first mass-produced turbocharged engine, the N55 was their first engine to use a twin-scroll turbocharger. The B58 has not bested the N54. I Know this data isnt 100% accurate but it gives you a good idea of the way the turbos perform. Same size, bore, and stroke I believe. SCSN タイミングチェーンキットガイドレール 11318648732 11317502180 B. The S55 engine is the high-performance version of the N55 and is used for F82 M4 and F80 M3, replacing the BMW S65 naturally aspirated V8. is top tier when it comes to BMW Performance thanks to their Engineering degrees & BMW drag racing experience. BMW B58 TURBO KIT – Speedtech. This BMW Engine is FINALLY Toyota Level Reliable (N54/N55/S55…. Yes, the N54 and N55 can experience spun crank hubs. Are N54 and N55 DCT interchangeable?. Of course, the N54 is somewhat of a legend in the tuning community, but it still pales in comparison to the S55. Any updates. The S55 came onto the. N54 makes a good amount of torque down low. BMW even used the complete S55 system on the factory M235i/M240i Racing model. Granted I have yet to perform thermal testing so we dont know the full picture of that yet. They are two steps colder than stock N54 plugs and suggested all tuned applications across almost all BMW turbo models. The gains here make this package a performance. ago For around $700 you can stretch a b58 out to around 419hp at the wheels with just a tune. While we all know from BMS other S55 dynos that there is another 30-40hp in the M3. If anything, I think the fact that BMW started cutting corners and trying to save money after going all-out on the N54 (especially early models) would point in the. VR30DDTT more reliable than B58?. However, the N54 is best suited to a built-motor once. The S55 is a high-performance version of BMW’s N55 engine. Whilst the N54 used a twin-turbo arrangement, the newer N55. The N55 debuted on the F07 5 Series Gran Turismo in 2009 and was the German manufacturer’s. While the N54 was BMW’s first mass-produced turbocharged engine, the N55 was their first engine to use a twin-scroll turbocharger. The N54 redlines at just under 7K but the turbos lose steam past approx 5900-6000 RPM. If your BMW has a N54, N55 Add to cart Quick View Choose options BMP. BMW N54 N55 S55 to 8HP70 N57 Adapter Plate Have you meet your limitation of your 8HP45 and want to upgrade to a 8HP70 gearbox. N55 and S55 are 2 steps colder than OEM to begin with iirc. Please note that the N54, S55, N63 and S63 motors require two clamps whereas N55 vehicles only require one clamp. BMW N54 Top Mount Turbo Kit; BMW N54 Bottom Mount Turbo Kit; BMW N55 Bottom Mount Turbo Kit; STORE BMW S55 F8X Expand submenu. We all know the N54 is extremely tunable and was even chosen as being good enough by BMW M to power the 1M. Stock clutches will do for most applications in terms of DCT with our tuning. This is a replacement o-ring for the charge pipe to throttle body connection for you N54/N55/S55 BMW. Available in 2 versions – For the N54, and for the N55/S55. A forged crank and rods deliver solid strength. Talk about serious power! With a horsepower record of 1,150hp to the wheels, the S55 is the highest horsepower BMW engine to exist. The S55 engine is the high-performance version of the N55 and is used for F82 M4 and F80 M3, replacing the BMW S65 naturally aspirated V8 engine used in the prior generation M3. N54 VS N55: TODO LO QUE NECESITAS SABER. Ultimately, the n54 is and was an absolutely wonderful and revolutionary engine and platform - albeit with cooling and fueling issues that. The S55 crank hub is the same design as used on the N54 and N55, and while it can and has failed on stock S55s, it is a highly isolated problem which was improved by BMW in 2016. BMW N54 vs N55 Engine. The BMW N55 has 5 different base variants, and even more if you loop the S55 into the. If anything, I think the fact that BMW started cutting corners and trying to save money after going all-out on the N54 (especially early models) would point in the direction that newer coils might even be worse - but thats just a very rough guesstimation based on other things. The only point at which the S55 is now beating the B58 is in a narrow band between 6000 and 6600RPM, and still only by a maximum of 17hp. l4 GAS DOHC Turbocharged: Please Check your engine code! All S55, N54, N55, N52 ONLY Read more Read more compatibility. Early specs (late 2013 to early 2014) showed the S55 to have a bore of 89. In this video I review some technical documents by BMW discussing the N54 and N55 and some of the differences between the two turbocharged BMW inline 6 engin. While the N54 was BMW’s first mass-produced turbocharged engine, the N55 was their first engine to use a twin-scroll turbocharger. In late 2013, BMW introduced the S55 on the F80 M3 and F82 M4, and the engine eventually made its way onto the. Whilst the N54 used a twin-turbo arrangement, the newer N55 uses only a single twin scroll turbocharger. The BMW N54, N55, S55, and b58 are all important BMW engines but there are some big differences. The N54 is known for its monster down low torque. BMW S55 vs S58: Performance, Reliability & Tuning. A twin-scroll turbocharger is a single turbo where the exhaust housing of the turbocharger is split into 2 scrolls. N54 vs S55 torque curve BMW M2 Forum > BMW M2 Competition Model > N54 vs S55 torque curve Post Reply Thread Tools Search this Thread Post Reply Bookmarks Facebook Digg StumbleUpon del. Failed crank hubs have been a common ailment of the N54 / N55 / S55 family for the last 15 years, leading to crankshaft spin, causing skipped timing and . The S55 Redlines at 7600 rpm but has its peak usable power from the high 5000s to the low 7000s which is a huge difference. The S55 came onto the scene four years after the introduction of the N55 in the 2014 F80 M3 and F82 M4.