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      10-30-2012, 03:27 AM   #8
Drives: VO 1M, E92 335x, E61 530x
Join Date: Sep 2007
Location: Frozen Tundra

Posts: 675
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I haven't had any coolant issues with my 1M, but when my 335 was new I had to refill the expansion tank at least once. Since then, it hasn't demonstrated any unusual consumption of coolant. I assumed the car was a bit under filled from the factory.

I would carefully inspect the coolant hoses and couplings for any signs of a leak. Specifically look for any coolant pooled on the splash shield beneath the radiator. If there is no sign of leak, then I would just wait and see if you continue to need additional coolant. The only other concern would be a leaking water jacket from a defective gasket or block which seems improbable given your relatively low mileage.
HERR FSTIR is offline   United_States
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