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.
Those are not reccomended tyre pressures, they sound more like maximums!
36psi all round is fine, if you like it softer you can drop it down a bit closer the 30psi, but this will shorten the life of your tyres by a bit (say 10% or so).