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      01-23-2013, 08:56 AM   #3
kitster
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Drives: G31 M Sport
Join Date: Oct 2012
Location: London, UK

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+1 those are E9X sizes.

Example on my E91, the sizes went from:

255/35/18 (E91) --> 255/40/18 (F31)
222/40/18 (E91) --> 222/45/18 (F31)

Also most of use will have Bridgestone Potenza S001 RFT, rather than the RE050A. I must say the ride is better on the S001 and better when it rains (IHMO)....might also have something to do with the Adaptive Suspension.
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