I have recently purchase a set of 18" Riva to replace the skinny 17" wheels & tires from the factory. Grant at ext 313 was very helpful. At first I ordered 17"x8", which surprisingly will not clear the front caliper by the fraction of weight tape. So comes the 18"x8" with 235/35/18 Mich MXX, That was too short! 330Xi has too much room in the wheel wall (no kit to lower the car yet). Mich MXX has 50 miles on them so I could't return them. Remounted with Brigestone RE730 235/40/18s. It looks awsome now, HOWEVER THE SETUP WANT'S TO PULL TO THE RIGHT, like a slight torque steer on take off, and the car wants to drift to the right. I work for a Ford Dealership, and bought the 330Xi form a former co-worker at the BMW dealership. They kept the car for 2 days and couldn't figure out whats wrong? (under warranty) The aligment was perfect according to them and Factory and Hunter. We put the car on the Hunter twice, with new wheels & factory wheels, rotated front and back. I'M AT A DEAD END! HELP!PLEASE HELP! OUT OF MONEY TOO. The only thing I can think of is the off-set of the wheels.
I can be reach at mdkglp@jps.net or mdkglp@yahoo.com