Thread: N54 vs N55
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      04-15-2014, 09:48 AM   #15
Second Lieutenant
Drives: 2011 E92 335i, 2009 E92 328i
Join Date: Jul 2011
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2011 BMW 335i  [4.20]
Originally Posted by Johnny Boost View Post
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.
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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