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autoart · 03-21-2013, 01:33 AM

Almost all n54 hp dyno graphs drop or flatin-out after about 5,500 rpms. My question is why? Are the turbo's to small? or is it somthing else? I guess I should be shifting at 5,500 rpms and not letting it go to 6500 rpms when I want to go fast. Thanks.

03-21-2013, 01:33 AM	#1
autoart Colonel 347 Rep 2,281 Posts Drives: 2009 335i e90 M/ 22 X3 Join Date: Oct 2010 Location: socal iTrader: (8)	Question about dyno and motor Almost all n54 hp dyno graphs drop or flatin-out after about 5,500 rpms. My question is why? Are the turbo's to small? or is it somthing else? I guess I should be shifting at 5,500 rpms and not letting it go to 6500 rpms when I want to go fast. Thanks.
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