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Old 12-29-2012, 09:48 AM
Blackpony Blackpony is offline
Location: Michigan
Join Date: Jan 2012
Posts: 2
Mein Auto: 528it E39, Z4 3.0i E85
I received winter tires for my Z4 3.0 18" wheels at my MI BMW dealer. Michelin X-ice Studless, 215/45 R 18 89T. The dealership even stores the summer tires. The tires performed great in this weeks blizzard with heavy snow and ice covered roads. Winter tires are normally narrower and have a higher profile than summer tires. The reduced speed rating is required by the softer rubber compounds required for traction on ice. No requirement to go to a smaller wheel and a smaller wheel may not clear your brakes.
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