Quote:
Originally Posted by rory breaker
All of these tunes void the warranty correct? I am well aware of Magnusson Moss, etc etc, but my question is, are there any tunes/parts available THROUGH BMW that will unequivocally NOT void the warranty?
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http://www.shopbmwusa.com/PerformanceParts.aspx
Though looking through the list, I don't see any PPK for an X3 or X5...