Quote:
Originally Posted by Kyratz
hey e70 X5 owners with 20 or 21" wheels - anyone out there had issues with alignment and exscessive tyre wear? care to share experiences? i have a 2009 X5 xdrive 35d sport and 21"-
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Big wheels with wide tyres have more alignment and wear issues than smaller wheels and narrower tyres on both E70 and E53. It's not a specific problem with 20s or 21s ... just a spectrum of increasing problems as you move from 17/18s up to 21 and beyond.
The problem works two ways. Wider tyres transmit more loads back into the suspension/steering systems accelerating both wear and alignment issues. And, then, once mis-aligned and/or worn, the suspension/steering will cause more wear problems with wider/lower profile tyres than with narrower/higher profile tyres.