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N54 vs N55
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04-14-2014, 09:07 PM | #1 |
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N54 vs N55
Hey guys, so I have searched, but i wanted some more direct answers.
I recently sold my FBO N54 e92 335xi and was hoping to find an MY2009-2010 N54 e93 but they're not easy to come by. I started looking into N55 e93s and was just wondering the potential the engine has compared to the N54. Obviously I know it won't make as much power as the N54 but what are the numbers for a FBO N55? I figured i'd post in the N55 section because you guys are probably more knowledgable on the N55 platform. Thanks in advance guys
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04-14-2014, 09:09 PM | #2 |
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Haven't dynoed my car but as far as I recall, fbo with e85 we're around 380whp
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04-14-2014, 09:16 PM | #3 |
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Oh that's not bad at all. Do you know what the numbers would be without E85?
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04-14-2014, 09:36 PM | #4 | |
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380-400 whp/450 torque on e85. 2014 335i and 435is make about 20 whp more
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04-14-2014, 09:45 PM | #5 | ||
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If you're running a stock Cobb map and get pro tuned could you see numbers above 380-400? Thanks for the replies guys
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04-14-2014, 10:25 PM | #6 | |||
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04-14-2014, 10:41 PM | #7 | ||||
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04-15-2014, 01:07 AM | #8 |
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In our testing we've found the N55 is an awesome engine that is somewhat hindered by a tiny turbo. FBO + E85 cars are good for ~380whp and TONs of torque(460wtq+.) On pump gas 350whp is doable.
Keep in mind that dyno numbers are subjective and can vary wildly. Find a nice, optimistic dyno and 400whp may be possible but that doesn't mean it's any faster than a dyno reading 380whp. |
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04-15-2014, 07:57 AM | #9 |
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Turbo opions are also coming available. For $1k you can get your 400whp with the PTF stage 1. High 400's are possible for $2500. We should see 2 more stage 2 options coming out later this year.
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04-15-2014, 08:52 AM | #10 |
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I like the N55 for the reliablility. Never had one single issue and running for 3 years almost.
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04-15-2014, 09:02 AM | #11 | |
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I would say 20 whp is pretty generous considering its a similar engine. AFAIK our cars max out in the 390s and the F30/F32 are about the same if not MAYBE 10 whp more but Terry's F32 is the only car that I've seen making power like that.
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04-15-2014, 09:34 AM | #12 | |
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In absolutely no way am I saying that it's a bad car - I freaking love the thing! Even though it's a prissy little princess |
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04-15-2014, 09:47 AM | #14 |
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04-15-2014, 09:48 AM | #15 |
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Similar engine, but I don't think the turbo is identical. It seems that the housing has a larger 4" outlet (vs 3" on earlier N55's) which seems to make a pretty big difference.
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04-15-2014, 09:59 AM | #17 | |
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04-15-2014, 11:19 AM | #18 | |
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Any and all cars/engines will have ones that just constantly have issues. German cars seem to more than most. |
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04-15-2014, 11:44 AM | #19 |
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Yeah, I've come to terms with the idea that my car falls under that category.
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04-15-2014, 01:30 PM | #20 |
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since you got the numbers you were looking for i'll just add that I love my n55 and it's smooth power delivery, I'm sure you'll get the power you want from it
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04-15-2014, 01:50 PM | #21 |
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Ya Terry's f32 barely broke 400whp and that was FBO with his unreleased solenoid fix. I lurk on all the e9x and f3x forums and I've yet to see what you are talking about so I guess I agree to disagree
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04-15-2014, 04:26 PM | #22 | |
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I don't mean to get off topic though. OP, the N55 is definitely a great platform! Plenty of power, and hopefully there will be some more aftermarket turbo options soon for those of us hungry for more . |
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