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Old 11-02-2011, 03:11 PM   #11
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Join Date: Dec 2006
Location: asheville NC
Posts: 1,502
My Ride: 99 328i, 07 z4 3.0
Were you able to get the head bolts tightened to spec? It seems usually the m54 when overheated also ruins the threads in the block could be the source of the coolant you are finding.
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