Quote Originally Posted by robert g
What tire pressure do you all run on your car. Do you run more in the rear and less in the front? I have 18" wheels and I am running 32 psi but the tire seems under pressure. The tire from the side looks concave. On my other car the tire calls for 36 and the tire all so looks concave. The center of the tire looks low. Thanks again.
Due to my car being lowered, I run more tire pressure than BMW recommends. Something like, 38psi up front and 41psi out back. Otherwise, I get too much wear on the inside edges due to the negative chamber (from the lowered stance without chamber plates).

Brian