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05-24-2011, 01:05 PM | #68 | |
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05-27-2011, 11:00 AM | #69 | |
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05-27-2011, 11:39 AM | #70 |
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Is the new twin-scroll a design of Borg-Warner? The DV is located on the Compressor housing and that is the same as the Borg-Warner EFR turbo design... which could lead to the availability of an actual "upgraded" turbo option as BW is hitting the aftermarket world by storm now. To me, that's really exciting because buying N54 turbos with clipped fans and PnP housings isn't worth the change they're charging.
EDIT: http://www.turbos.bwauto.com/press/n...=272&year=2010 Looks like I was right, and we may see some bolt-on options in the aftermarket world soon.
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05-27-2011, 01:18 PM | #71 |
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The guys at insideline with edmunds.com said the next m3's engine will be based off the n55...go read the article where they dyno the 1m..it's the last paragraph of it.
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05-27-2011, 04:34 PM | #73 | |
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Originally Posted by ianf2002 The fifth-generation M3 will be powered by a 3.0-litre twin-turbo inline six-cylinder engine that's believed to develop around 335kW of power from lower revs than today's model. Also expect a higher torque figure that's available almost off idle for greater flexibility and fuel efficiency... What ever engine it will be, I'm sure N54 fans will go on how better the N54 is than the next gen M3's Quote:
Errrrr... that could have been from my old post (see link bellow) Oct/2010... But my info was for the new 1M. Some have speculated that the new M3 might also get a version of this engine. Who knows, right now it's all just rumors. BMW 1 Series M Coupe 340hp Confirmed! US version (or F30/F32 M3) gets 451hp. http://www.1addicts.com/forums/showthread.php?t=457707&highlight=pyrat+332 Getting back to hard facts: N54 vs N55... one thing I noticed at the Welt 1er meeting was that the N55's have gold reflective insulation heat shields around the signle turbo while N54's have silver heat shields. I just found that interesting, I know gold is better for insulation. Dackel |
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05-27-2011, 07:57 PM | #74 | ||
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But, I would be happy with any 1 series BMW. It's just a great DD. |
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06-02-2011, 05:16 PM | #75 |
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So does anyone know if the N54 pistons are forged ? I read a rumor stating that they were forged, which would explain the insane power levels supported by the N54. I see that they are made by Mahle. I sent Mahle an email and they said they can't tell for sure unless I send them the "code" found on such a piston. So does anyone have this important piece of information ?
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06-02-2011, 06:12 PM | #76 | |
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I don't think BMW would use forged pistons in a street car aplication. Forged pistons would cause the engine to use more oil (bc the piston to cylinder tolerence gap has to be greater than a cast pistons) and forged pistons make more rattling noises when cold and have a shorter engine life to to rocking in the cylinder bore. I thought I might have taken a picture of the pistons nunbers on the few N54 and N55 motors on display at the Welt - last year. But I did not see any numbers in my old photos. But here are a few. Btw.. you can not even tell the difference (visually) between an N54 forged crank and the steel N55 crank. N54 N55 N54 HPFP N55 HPFP N54 forged crank N55 steel crank x35d diesel turbo six More engine pics here.... http://www.1addicts.com/forums/showthread.php?t=437692&highlight=n54+pdf Dackel |
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06-03-2011, 08:30 AM | #78 | ||
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Drives: CSM N54 Prem/Comf/Sound
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06-03-2011, 10:02 AM | #79 |
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Nothing really. I just drove easy, and didn't get into boost during the trip. It's the light foot mod.
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06-03-2011, 04:47 PM | #80 | |
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07-29-2014, 07:04 PM | #82 |
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for some great tech and pics!
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08-05-2014, 07:47 AM | #84 |
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If you are stock and want to stay stock the N55 makes about the same power and is supposedly more reliable.
If you are going to do any mods go with the N54. A JB4 brings it to 400 hp at the crank as easy as can be. The twin turbos respond amazingly to mods. |
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08-05-2014, 12:39 PM | #85 | |
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We are already seeing big power coming from upgraded stock framed turbo setups, with more advancements on the horizon. -------> http://www.1addicts.com/forums/showthread.php?t=1018556 |
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08-05-2014, 05:17 PM | #86 |
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What are the current high end power numbers achieved on a N55 motor? I thought the motor itself could only handle so much before needing to be built? I could be wrong thats just what I've heard.
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