Quote:
Originally Posted by jzbm3
Straying from matched staggered setups for arbitrary reasons on an AWD vehicle is a very bad choice, IMHO.
A difference of only 0.25 - 0.50" in total rolling diameter can result in a 10-20 rev per mile difference, which will almost certainly shorten the life of your xDrive.
It's also good to keep in mind that tire sizing is nominal - IE a 275 Pirelli summer tire is not necessarily equal to a 275 Pirelli winter tire. You most definitely need to look at the total diameter or revs per mile when installing non-OE tires.
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in that case.. alot of peoples winter tire set up must be hurting there x drive?? curious as we all know BMW dealers sells alot of there M square set up and not the standard staggered set up. i'm running oem standard winter set up. but i see almost every other X5/X6 Running the smaller square tires. would that affect the x drive also?