View Single Post
      03-03-2021, 07:04 PM   #13
Wires
Brigadier General
Canada
804
Rep
3,086
Posts

Drives: 2016 340i xDrive
Join Date: Apr 2008
Location: Calgary

iTrader: (0)

Most likely it's the rotational mass from heavier rubber. Lighter tires allows the axles to spin up faster (less flywheel effect)