Originally Posted by samchuang33
Tyre pressure is 40 on all four. I put it up to 44 on fronts and 51 as recommanded by BMW with 18" with 2 or more occupant in back of car. Felt a bit hard, might put back down next week at servo.
anything over 40psi is crazy on our pothole infected streets. Take it down to 36psi for both front and back and you will enjoy the ride immensely (even with run flats)