Quote:
Originally Posted by Josh (PA)
The N54 needs it every 60-75k, it starts running rough and misfired a touch at cold idle. It isn't something that will leave you on the side of the road, just a gradual performance degrade. Walnut blasting is $500. The N55 is less sensitive, and a much less maintenance needy option in general. 2011 on 135i is the way to go.
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I'm at 67k on my N54, no fuel pump, turbo, or rough idle issues yet... guess I should be prepared for it though.
I've noticed my clutch is starting to get just a teeny tiny bit "crunchy" for lack of a better term on slow engagement/disengagement though. Hasn't caused any drivability issues yet. Not sure what that is. Maybe a bearing.
