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Twin turbo N55 with forged internals
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09-04-2012, 03:27 AM | #23 |
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fo real ;] nuff said
now can we please move to our usual (silly) way of discussing things ai 'how much and why so much' or 'can I do it in my garage?' or my personal favourite 'why dont you go and buy an m3 instead'
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09-04-2012, 10:51 AM | #24 |
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http://www.e90post.com/forums/showthread.php?t=664993
This thread has some good pictures of the n54 internals also. |
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09-13-2012, 01:36 PM | #25 |
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I'd hardly call that even a moderate amount of carbon build up inside the chamber. The valve stems have a lot of gunk on them, but that happens to any direct injected engine without an effective way of removing oil vapour from the intake air. The turbo'd Minis have the same problem and BMW responds by blasting the intake valves with walnut shell to get rid of it. The excessive wear is scary, but I'm not totally surprised either; the ring can really tax an engine.
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09-13-2012, 03:03 PM | #26 |
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The n55 has a chargepipe that will break with a few extra pounds of boost, they made installing a tune much harder(having to tap into all sensors) and put a tiny turbo that doesnt make much power.
The n55 was made to stop people from tuning theyre 335's. Bmw put the n54 in the 1m for a reason, its a collectors car and they wanted to give them the more powerfull and more tunable engine. Now whether the m3 uses a worked n54 or n55, it doesnt matter, its a reworked engine, not stock so it doesnt mean anything. |
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09-13-2012, 06:34 PM | #27 | |
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You know you are 100% correct. Those BMW engineers are sneaky. Do you know how many hours they must have sat in meetings talking about how they can screw the tuning world? That they wanted to make the N55 to "screw" people so they do not modify cars? Yup thats the reason they built it! lol This is how it went. "Well lets design this chargepipe to hold 8-10#s of pressure. Once they go above that BOOM the pipe will break! That will stop those guys from tuning our cars!!" HAHAHA!! That is some of the most ridiculous speculation I have ever heard on a forum. FYI Been running 15-16psi since the car was new and now has 24k on it, I havent popped a chargepipe yet......... |
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09-13-2012, 06:55 PM | #28 | ||
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09-13-2012, 06:57 PM | #29 |
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I lul'd at the comment about changing the motor to prevent tuning...I love my N54, but the N55 will one day outperform it. Like stated, the amount of time spent with the N54 far exceeds that of the N55. Regardless of forged or not, the fact that the N54 is holding over 600 hp without any changes to the engine components is to me amazing (someone can correct me if I'm wrong on that, but that's what I've seemed to determine from reading about the single turbo kits)
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09-14-2012, 09:36 AM | #30 |
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I've seen four year olds come up with better ideas than your two posts in this thread.
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09-14-2012, 09:43 AM | #31 | |
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yaaaawn
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09-14-2012, 11:00 AM | #32 | |
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-1//m uses n54 -335iS uses n54 the n55 is under-performing with the same mods/tuning as the n54. so, with downpipe, intercooler, and 15+ psi, you'll be nowhere near a n54 with the same hardware/tuning. the n55 is a crap motor that's about to be rendered obsolete when the 2013-14 340i and 440i come out. |
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09-14-2012, 11:34 AM | #33 | ||
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disclaimer: I don't give a fuck about the N55. I am getting an S65 next week
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09-14-2012, 12:09 PM | #34 | |
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Oh and how about this. N54 sounds like crap. N55 has an exhaust note of the gods Last edited by ParkNuts; 09-14-2012 at 12:29 PM.. |
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09-14-2012, 12:10 PM | #35 | |||
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Because theres no point in putting parts that can support 400whp when the car is sold as a 300crank hp car. And Im sure your getting the s65 because you werent happy with the power you got after tuning your car? Either way, enjoy it. |
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09-14-2012, 12:46 PM | #36 | ||
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Did you ever step back and think from a BUSINESS standpoint why they have these motors in them. Lets see. What is the 1M. Its a 1 series body, with full M3 components, suspension, diff etc. It has an N54 which is not produced anymore. It has suspension components that will not be produced anymore. Hmm..... looks to me BMW wanted to put this car out to off load all the extra inventory they had on all of these components, motor, suspension etc because they are no longer used. What else were they going to do with them? They would sit in the warehouses and collect dust. BMW was smart to put the N54 in the 1M and iS when they could. They had all that money sitting there that would have turned into a loss. They didnt put the N54 in there because it was better. They did it for a profit. They could have easily put an N55 in those cars and added software. There is nothing special about it. Its a 30-40hp difference! lol |
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09-14-2012, 12:58 PM | #37 |
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well, i'll save this post for 2013 when the newly released engine drops into the f30/f32. it will be a 340i and 440i, most likely. over the next few years, when the m3 rolls out, as well, the n55 will be regarded as the economic solution that was in the _35i's from 2011-2013. i doubt it will make substantial power, especially considering how most tuners will jump at the new i-6 in the m3 and 340i/440i.
if you bought a n55, i'm glad you like it and think it's a better engine than the n54. if you like the way it sounds, that's great, too. throwing out facts about the n55 being a better motor is just plain silly, though. |
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09-14-2012, 01:35 PM | #38 | |
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09-14-2012, 02:29 PM | #39 |
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09-14-2012, 03:19 PM | #40 |
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One last post from me:
YOU ARE FULL OF CRAP You are writing things here that is not even talked about in any inside source of BMW. Your statements are partially economical BS... Give me and all the others here some proof... No proof means you're BS us
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BEFORE: 130i N52 (2006-2011)
NOW: 335xi N55 (2011- ) |
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09-14-2012, 03:24 PM | #42 |
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and of course all the n55 owners don't want to hear that their engine is on the verge of being replaced in the f30/f32, or that it was saddle-bagged on purpose, or that bmw views the n54 as a performance engine and the n55 as a lesser one and one that focuses on economy and better fuel delivery (hpfp's and sensors, specifically). no worries though, i'm sure y'all n55'ers have some pretty cars with nice packages. LCI does really look better......too bad you could only get the n54 in a few years of lci models.
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09-14-2012, 03:34 PM | #43 |
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Because i live 200 miles from the factory or because i know people that work there?
NO N55 owner says the N54 is not a more powerfull engine or more easier to tune. But (stock) the N55 is the better engine! And if maybe you were blocked from the rest of the world: EVERY SERIES BMW HAS, USES THE N55!!! Give me an economical reason why they would change this after 2 years????
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BEFORE: 130i N52 (2006-2011)
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09-14-2012, 04:00 PM | #44 |
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i'll give you a few reasons:
-cheaper to use across all their models -cheaper to build with less complex induction system -cheaper to build because of internal component changes -lower maintenance cost because of re-worked fuel system (hpfp's, lpfp's, fps's, etc) -lower maintenance cost because of 1 turbo versus 2 Last edited by BmwECY; 09-14-2012 at 04:16 PM.. |
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