Quote:
Originally Posted by Boss330
Not sure on the drop and Xdrive, but tire circumference needs to be identical front and rear to avoid cooking the Xdrive diffs... (you need both the front and rear driveshafts to rotate at the same speed, if not there will be a rpm difference between front and rear driveshafts that will eventually fry the viscous couplings in the transfer case diff).
Not sure if BMW offers staggered wheel setup from factory on Xdrive cars for that reason? Possibly on the M550d?
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Interesting. Thanks
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Current Mistress: 2014 F10 535D M Sport - Alpine White
Retired but not forgotten: 2011 F10 535i - Titan Silver; E53 X5 4.4L Sport - Space Grey;
E46 M3 Individual Convertible - Phoenix Yellow; E39 528 - Glacier Green;
E36 328 Convertible - Montreal Blue
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