It hasn't happened since I first posted...of course
Next time it does I will stick my head under the hood as I sould have the last time...
The fact that it has gotten cooler outside and I hear it less (or not at all) makes me wonder if greco2000 wasn't on to somthing with the A/C?
'07 650i Coupe - Black Sapphire Metallic
M6 bumpers, skirts & wheels
BMW M Cross Spoke Composite 101 Rims 20"
HUD, Comfort Access