[invariant]

Originally Posted by roadkillrob

This thread explains it a bit, but it is on the cowling left of the cabin filters and right of the ecu box cover, kinda sitting up on top with a wire going to it. Pic in the attached thread.

http://www.e90post.com/forums/showth...ighlight=broke

Rob

That thread is about the pollutant AC sensor that measures dirt in the incoming air, not the temperature sensor. AFAIK the temp. sensor is somewhere near/in one of the fron wheel wells, but I'm not sure. I can check later if it is described in the TIS.