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KEEP M3POST ALIVE BY DOING YOUR TIRERACK SHOPPING FROM THIS BANNER LINK! |
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03-03-2012, 05:15 PM | #2 |
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03-05-2012, 10:45 AM | #5 |
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Got your email, but I'll reply here for reference of anyone else who's interested. Both sizes are generally ok to run, but it is a somewhat unusual combination.
Stock Diameters (nominal, varies slightly by brand): 245/35R19 Front = 25.7" 265/35R19 Rear = 26.3" Rear tire 0.6" taller Your diameters: 265/30R19 Front = 25.2" 275/35R19 Rear = 26.5" Rear tire 1.3" taller So the difference in diameter is .7" more than stock. In theory, changing the diameter difference can affect the efficiency of traction control and ABS. In practice, the M3 has not seemed to be all that sensitive about this. Many guys are running square setup, which is a similar amount of change (.6" less difference than stock) without any notable issues. Still, you should stay aware of the fact that traction control/ABS may not be working perfectly and drive with a little extra margin for error until you get a feel for how it reacts. Visually, you may see a little more rake with the back of the car sitting up a bit higher and the front looking lower.
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I have accepted a new position at Tire Rack and am no longer in the sales department. gary@tirerack.com is available to assist with M3 questions. |
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