Quote:
Originally Posted by DrifterX
My F30 M Sport brakes have 370mm rotors up front and I use 18" wheels for my winter set. F80 comes with 380mm rotors up front came with 513M wheels in 2015 which are 18" so I wouldn't make a conclusion just by looking at the rotor size. It really depends on the caliper design as well as the 18" wheel design. Some 18" wheels may fit while others won't - just have to try them.
Don't rely on what BMW says... on my very first 4 series I ordered, the BMW build system had REMOVED the M Sport brakes from my order because they had selected the 19" all season tires option even though it would have fit no problem. Needless to say, I got them to order me another one with the correct specs.
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I am happy with 348mm rotor. And I end up get 791m without track pkg by escalating to bmw Canada hq planning manager. I can't wait to get the new car