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The Tire Rack's Tire & Wheel Forum
With more than 150 wheel choices and 10 plus tire brands the TireRack.com is the place to get wheels and tires for your E90 BMW. Post questions about wheels, tires, offsets and fitment for your E90/E91/E92/E93 BMW!
Sponsored by The Tire Rack

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Old 06-25-2012, 10:58 PM   #1
Corey@WheelsB
Past Site Sponsor
 
Join Date: Jun 2012
Location: Columbia, South Carolina / Miami, Florida
Posts: 115
My Ride: Suzuki GSX-R
Setting trends.... again. New tire set up for the GTR

We did the very first GTR on Pirelli's 375/20/21's back in 2009 on a set of HRE's (http://www.6speedonl...75-20-21-a.html). But as we all know that tire set up is not the "correct" overall rolling diameter for the GTR. It is smaller than stock. Here at Wheels Boutique, we did a little R&D for you guys, the GTR-aholics. We fitted an R35 with a set of Pirelli 285/30/21 and 355/25/21's on a set of ADV06 Track Specs, measuring 21x10.5 and 21x12.5 and without further adue, I present to you the proper 21" tire set up for the GTR on 21's.[/size][/b]

[b][size=5]Pirelli PZero
285/30/21(27.89 overall OD)
355/25/21(27.998 overall OD)

Here is a quick comparison:
OEM


Pirelli 295/25/21 and 375/20/21 "Smaller than the OEM overall OD"













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