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      11-29-2012, 01:42 PM   #13
Dave07997S
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Drives: 2013 BMW M3 ZCP Coupe
Join Date: May 2009
Location: Playa del Rey, CA

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There is a slight stretch with a 255 on a 9" rim, with a 10" rim it will really be stretched. A 10" rim really should have a 275/30/19 on it up front and do a 295/30/19 out back with the 11" rim.

Here's my ZCP car with 255/35/19 front and 285/30/19 rear. I tried to find a photo that showed the stretch already on the front just a 9" wide rim. A 10" wide rim with my 285s is somewhat stretched.



As far as offsets go with a ET25 front and probably wouldn't go much beyond a 31-33mm rear.
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2013 M3 Coupe-MR/BLK ZCP, ACM test pipes, BPM Stg2 dev. tune and Megan catback, AFE Stg2. with C/F elbow
Previous rides: 2011 M3 Coupe-MR/Blk
2007 Porsche 997C2S Speed Yellow/Blk sport seats
2004 BMW M3 Imola/Blk