BMW 3-Series (E90 E92) Forum - View Single Post - photos of the HPFP from BMW AG engine model...

marconi118 · 09-30-2010, 08:10 AM

first picture is the mini cooper S engine
Then there is a mix of N54 (without timing chain) and N55
note how the compressor wheel of the N55 is small!
It will never bring the same boost as the 2 compressors of n54!!!!!
nice pics

09-30-2010, 08:10 AM	#5
marconi118 Major 94 Rep 1,184 Posts Drives: 06/07 e93 335i Join Date: Nov 2008 Location: europe iTrader: (0)	first picture is the mini cooper S engine Then there is a mix of N54 (without timing chain) and N55 note how the compressor wheel of the N55 is small! It will never bring the same boost as the 2 compressors of n54!!!!! nice pics
	Appreciate 0 Quote