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      02-23-2013, 02:07 AM   #445

Drives: BMW 3
Join Date: Sep 2009
Location: Michigan

iTrader: (8)

Originally Posted by dustman
Appreciate the picking up some stock M3 220 or such 18's is good enough? I would think reducing width from my 19's would take my grip the other way.

Originally Posted by jpjp View Post
I would suggest you run an 18'' rim and swap at the track. You also have more options of stickier tires when you run 18''.

Plus, you limit the chance of hitting a nail on your way to the track and ruining your track weekend. $70 can get you a nice lightweight jack from harbor freight.

19'' is also a lot of weight to move around the track.


The 275/35/18 would work great on all 4 corners of your M3. I'd run 4 rears (the wider rim) to get the full width of the tire on the track.

There are plenty of high horse cars running that size in the Professional Grand Am series without a problem. It fits 9-11'' rim and sticks 4-600 horsepower cars like glue.

The size is popular so availability is easy.

I would say that a good majority of E46 and E90 M3 racers are running an 18'' rim and an even greater number are running a 275/35/18.

Let me know