Quote:
Originally Posted by jp0319
So, adding to the questions... My 22MY M340i xDrive that is being built will come with staggered 19 x 8 F and 19 x 8.5 R wheels with 225 F and 255 R tires. Can I go from this staggered setup to a square set up of Factory 19 x 8.5 wheels and the 255/35/19s all around? I've been reading threads about changes in wheel and tire sizes messing up the xDrive, so I would keep everything at stock measurements, I'd just be buying a pair of 19 x 8.5 stock BMW wheels to replace the 19 x 8 fronts. Would this be ok for xDrive and ok with stock suspension?
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You do not have to worry about messing up xdrive with a squared setup. This is only a concern when doing staggered setups and the circumference of the wheel/tire is greater than 1-2%(please verify) between the front and rear axle.
In terms of fitting the 255 up front. Based on some other setups I have seen posted, I believe the 19x8.5 will fit, however, you will probably need at least a 10mm spacer to bring the wheel outward. I think that ET40 in the front would be too close to the suspension. Again, please verify this.
I am in the planning stages of trying to figure out if I can fit a 265/35/19 x 9" wheel in the front and rear. If not, I would also buy 4 of the 19x 8.5 ET40 wheels and run 255s squared with spacers in the front.