Richtw said:Any ideas why it would be better with the PASM on, worse with PASM off..... wheel balance?
Like I said, it's the geometry set up that's out.
Pasm is suspension related nothing to do with wheel balancing.
Get it booked in and the car will feel totally different after a a four wheel alignment.
Out of interest, how long have you driven it for on the new tyres at any one time?