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      01-24-2021, 11:20 PM   #39
ezaircon4jc
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Drives: 2019 540i M Sport
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Quote:
Originally Posted by cdmulders View Post
I've read somewhere on this forum that having a significant diameter difference between front and back can cause ABS and anti-skid / traction control issues too since rotational differences are used to actuate both. I tend to agree that 3% is too much difference, and also in my humble opinion the front tires will look too thin / small compared to the back.
The 30mm difference is the same as the stock staggered set; 245 up front and 275 in the rear.

To keep the tyre width he would have to have a 255/40 up front instead of 255/35. Having wider tyre out back would need a lower aspect ratio than the one up front. Yes, it will mess with the ABS & traction control; I forgot to mention that. Can also induce squirrely handling.
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