BMW 3-Series (E90 E92) Forum - View Single Post

dmaccioc · 12-27-2010, 08:55 PM

my 07 had the n52, my 11 has the n51. only difference i've noticed is a slightly rougher idle on the n51, and lower highway fuel economy by about 2-3mpg on a long trip. if a true power difference exists, it isn't noticeable.

12-27-2010, 08:55 PM	#5
dmaccioc Enlisted Member 13 Rep 44 Posts Drives: 2019 X5 40i Join Date: May 2008 Location: New York iTrader: (0)	my 07 had the n52, my 11 has the n51. only difference i've noticed is a slightly rougher idle on the n51, and lower highway fuel economy by about 2-3mpg on a long trip. if a true power difference exists, it isn't noticeable.
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