Recommended wheel spacer size on B12 kit?

J

JSz4

Member
I'm looking at buying some spacers for my 2003 Z4 3.0 which is on 108s and lowered 15mm lower than the sport suspension with a B12 kit. I want to for looks as the wheels currently look pretty deep in the arches but don't want to diminish the handling in any way as occasionally take it on track.

Would 12mm front and rear achieve this without any rubbing or is 10 more sensible?

I don't really want to go for wider on the rear than the front and create more understeer, or put more strain on hubs than necessary.

Cheers for any advice
 
I run 15mm on fronts with std offset wheels, need them to clear the 8 pot brakes. Don't have any on rears as have 224 (M) wheels, but if I had std then 20mm would be fine. I have the b12pro kit on and mine and zero clearance issues. Prev had 108's and 107's with 20mm on rear. HTH

Mike
 
Thanks Mike, that's helpful.

Why does everyone go for wider spacers at the rear than the front, is there any handling benefit or just for looks?

Where is the best place to buy longer wheel bolts from?
 
I think it mostly looks as the rear wheels look like they sit further than the front, but I guess its probably the arch that's wider.
 
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