Quote:
Originally Posted by spitfire9200
$460 for a plug n play tune and your 335is will blow the doors off a 5.0 and an m3. The 2011 335is still has the n54 engine instead of the n55 in the 2011 regular 335i... so it can still be easily tuned for tons of power.
but, call me bias haha
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N54 - isn't that the one with the high-pressure fuel pump issues?
Bmw Law Suit Hpfp