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      11-12-2014, 12:56 PM   #61
solstice
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Drives: 2015 M3 6MT
Join Date: May 2013
Location: Seattle

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I don't have the plastic bottle noise but I have the quick grind. About 1-2s high pitched grind, slow speed always from the rear right side. I had it 3 times yesterday always shortly after starting a drive and only once per drive. Doubt it's a pebble or rust on the brakes. Not concerned enough to take it to the dealer at this point.

Btw my check engine light seems to be permanently gone. Looks like the engine just needed to adjust to US gas.
Appreciate 0