Originally Posted by Swift135
Hey samchuang33, check your tyre pressures, when I picked up my car the DTC light was always coming on frequently and the ride was bumpy as heck, I check the pressure and they were at 56 PSI !!!, dropped the front to 40 and the rears to 38 and the ride and traction is much better.
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.