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Old 09-08-2005, 08:10 AM   #2
BMW330d
Registered User
 
Join Date: Apr 2005
Location: United Kingdom
Posts: 47
My Ride: 330d Sport
Quote:
Originally Posted by sna77
Going to put staggered 18 ZHP wheels onto my 2001 325i sedan:

Unsure of the correct tire size to go with all around...

Wheels:
front 18 x 8
rear 18 x 8.5


this is what tire rack has:

Front Optional 18" 225/40-18
Rear Optional 18" 245/35-18


The 225 / 245 part makes sense to me, but wouldn't the sidewall always be 40???

Standard fit from BMW is 225/35/18 on the rear I belive the reason that a 35 profile is fitted to keep the rolling radius the same as the front, because it is wider tire it needs a smaller aspect ratio

Someone please correct me if I am wrong
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