Quote:
Originally Posted by elvisisdog
Right looking at diameter of tyres, I'm going in the direction of 285/35/20 rear and 245/40/20 on the front. Rear will be 5mm higher in diameter but as rears wear wicket than fronts it should work out well. Plus I'm rear wheel drive so didn't see much issues. This adds about 30mm extra to the diameter of the wheel which should fill the wheel well a bit better. Only concern I have is that it rubs but, suspect this increase should be fine if others are running 21 inch wheels and others with M5 wheels aren't having problems with wider stance. This will be on standard staggered 373 rims which I accept is a different offset to 343 rims but expect it will be ok. The other benefit is that at these sizes I can run Michelin PS4'S.
Looking at doing the fronts at the same time now as may as well get the whole car on the same tyre and go full non rft.
Anybody any experience of increasing tyre sizes to these? I'm looking to add a bit of extra sidewall to give a bit more protection to the rims and also fill the wheel well a bit better.
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since you are RWD the height difference isnt an issue - the question is whether they will rub due to height difference. Let us know how it works out!