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      03-07-2013, 03:38 PM   #3
rallybull
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Drives: F30 335i w/PPK
Join Date: Jul 2012
Location: USA

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I took it to the dealer. Initial reports state it was caused by the water pump. They checked the water pump and it appeared to work fine. They have raised a question to the main BMW tech support on how to proceed with this issue and are awaiting an answer.