Guys,
I need to pick on your brains.
I just did some calculation and turns out my front and rear wheels want to move at different speed.
I have 2019 M240i xDrive with 405M performance wheels out of the factory and these are the specs:
7.5 x 19 225/35R19Y front. 8 x 19 245/30R19Y rear
When I put this in the online calculation (
https://tiresize.com/speedometer-calibration/)
when front wheels want to travel at 65 MPH, the rear wants to travel at 63.93. I mean won't that hurt the performance of the car given it's AWD?
Would having aftermarket square setup give better performance?
Am I missing something here? I mean why would BMW engineers do this?