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WDE46 · 11-28-2012, 06:14 PM

You may need a new radiator, but it could be the expansion tank bracket, especially if you have an automatic. The transmission cooler connects to that part and sucks off some coolant. Mine is leaking slightly (like 2 drops per day).

11-28-2012, 06:14 PM	#4
WDE46 Weagle Weagle Join Date: Sep 2012 Location: Huntsville, AL Posts: 3,670 My Ride: 2004 330Ci OBM View My Garage	You may need a new radiator, but it could be the expansion tank bracket, especially if you have an automatic. The transmission cooler connects to that part and sucks off some coolant. Mine is leaking slightly (like 2 drops per day).