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      06-07-2011, 12:19 PM   #31
fdriller9
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Drives: '06 AW 330xi
Join Date: Mar 2009
Location: North Jersey/Philly/NYC

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2006 330xi  [3.22]
Quote:
Originally Posted by jwise36 View Post
i might not touch the suspension until i figure out if i want to ditch the sub setup. whats this talk about rolling diameter with my staggered setup on an xi? forgestar told me not to worry about it when i spoke to them direct...
If the rolling diameters of the front and rear tires aren't within 1% of each other, you can damage your transfer case (on an xi). It won't be immediately apparent that any damage is occurring, but over time, the drive train WILL fail. It's possible, but you'll really have to stretch those tires on the back....and at that point your first pothole will most likely bend the wheels.

+1 to what express said....they could care less about have the wheels fit on your car. They just want to make a sale...