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      05-18-2011, 11:33 AM   #8
persian54
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Drives: SL550. Prev: E93 M3/335i/Z435i
Join Date: Jun 2009
Location: The Valley, SoCal

Posts: 15,739
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Quote:
Originally Posted by tag824 View Post
During those 4 yrs/50k mls I haven't seen a single person able to get their valves cleaned under warranty. They all had to pay out of pocket. It's an issue.

P.S. How does the twinpower n55 win an award with all the hpfp issues? Just saying.
N54 had more problems and was/is praised even more
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