Originally Posted by DR
Hello i bought a M3 track edition and now want to order a set of BBS CH-R in 20 inch (9.5 and 10.5). Does anyone know what ET i need ?
Don't do it. 20" CH-R's are really heavy wheels. Even the 19's are heavy enough to keep me from buying them. Otherwise, in terms of style and fit, they are perfect for the M3.
Offset also depends on what sized tire you want to use, but you can go to the bbs website and look at what fits the M3.