Originally Posted by carl_d
Taller profile tyres than an E90. Can see 225/50R17 on white car above. This makes the diameter of the F30's tyres almost 2 cm bigger than the tyres on an E90! E90 runs on 225/45R17. Seems the F30 is a much much bigger car.
This just means BMW is finally waking up and putting tires that fit this size car instead of the current 3 and X3 that have tiny wheel/tires.