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      03-07-2011, 09:08 AM   #109
Incompatible
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Drives: 07 AW Z4C 3.0Si
Join Date: Aug 2007
Location: San Diego

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Quote:
Originally Posted by onebluemcm View Post
It may be possible to remove material from the mating surface of the wheel, yes. May is the critical word. If there is not enough material left, there is a very, very real risk of a catastrophic failure; i.e., wheel flange pulling off of the wheel, wheel rolls down road unatached to car, car meets telephone pole/rock/barrier/other vehicle, you die. You'd want to speak directly with an engineer of the wheels in question about this.

More importantly, going at any wheel flange with a grinder would be like trying to restore a fine piece of art with a belt sander, or something. Do not do this!! The wheel flange, that mates up to the hub/rotor has to be as near perfectly parallel with the rim as possible. When it's out of parallel, it's called runout, this is a bad thing. All wheels will have some runout but on the best wheels it's miniscule. Aside from a CNC shop with an engineer or highly experienced operator, there is basically no practical way to remove material from the flange in any precise way. I think it would be hard to find a CNC shop that would be willing to do this simply for liability reasons.
X100 Well said! To OP: Be patient, educate yourself on what specs work, and buy a wheel that meets your needs, one that was made for the car. In the long run you'll save money, headaches, and be safer.
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