BMW M5 Forum : “What are the specs of the 2002 bmw m5 rims?”

These rims are sized:  

18X8 Front/18X9.5 Rear

With a 5x120 bolt pattern.

Any tire shop or even Wal-Mart can give you a list of recommended tire sizes for your vehicle, or you can check the door panel which will have the info printed on it.  Any quality tire by Bridgestone, Goodrich, Goodyear, Michelin, or Uniroyal will give you great service.

Stock fronts are 18x8's, rears are 18x9.5's.  5x120 bolt pattern.  Rears can be used on the front if you awnt to run 275's all around and eliminate the staggered setup.  3-5mm spacers are required.

Tires recommended are 245/40/18's front - 275/35/18 rear.

use something like low profile perelli's for the summer there the highest end. if you want stock then use the pilot sport