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      11-25-2015, 10:37 AM   #7
Jeff@TopGearSolutions
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Drives: C6 Z06, 09 335i, 10 335xi
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Quote:
Originally Posted by league 4 View Post
Is that worth it even with the N55 engine?
Supposedly N55 doesn't cake up as bad. Won't really know until you scope it out or pull the manifold for sure.

If the idle is smooth you may be ok.
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