Quote:
Originally Posted by brad850csi
Stock staggered is any of these:
245/45r18 & 275/40r18 - circumference is 2129.1mm vs 2127.5mm
245/40r19 & 275/35r19 - circumference is 2131.9mm vs 2120.9mm
245/35r20 & 275/30r20 - circumference is 2134.7mm vs 2114.3mm
The fun part is that 285/30r20 should actually be a better fit to the 245/35r20 front as it is 2133.1mm in circumference - closer than the stock option.
So as to why there would be problems, I'm actually not sure here!
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I know many who have had the same issues with their xDrive after changing to 255 and 285. The car does not like it. Believe me your not the only one. The xDrive must be programmed/balanced for 245 and 275, any differences in rolling circumstance and width seems to cause issues. Interestingly thou sone say 265 and 295 actually works. I may try this summer.