If i'm not mistaken the stock 9" wheel is ET44 in the rear on F10/F11 so it will stick out 26 mm more than stock. And that will be about 5-6 mm outside of the wheelarch.
__________________
BMW G05 X5 Xdrive45e M-sport - Air Suspension - Sport automatic - 741M 21" wheels | 275/40-R21 | 315/35-R21 | Nokian Hakkapelliita 9 | Sapphire Black | B&W Diamond Surround Sound | Comfort Seats | Merino Leather | Extended Shadow Line
|