Thread: engine knock
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      02-06-2013, 11:13 PM   #7
MPowerInTulsa
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Drives: 2012 550i M-Sport
Join Date: Feb 2013
Location: Tulsa

Posts: 10
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Mine was doing that occassionally and then I started getting drivetrain errors. They went away for a day or two and then came back. The dealer replaced all of my fuel injectors. They claimed a bad batch of injectors were to blame, and seemed to know all about it. Haven't had a problem since.
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