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      04-19-2008, 06:41 PM   #65
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ersin's Avatar

Drives: 08 IB E92 M3
Join Date: Mar 2008
Location: Maryland

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Originally Posted by lucid View Post
I am confused. On that thread, GregW reported that he weighed his 19" wheels + tires at:

47/51.5 lbs

and used the tirerack tire specs to deduce:

23/26.5 lbs for the wheels

Is that what you are referencing?

The example I used in the OP, Morr mono-forged VS8 wheels, are supposed to be pretty solid (in quality and strength). And they are supposed to weigh ~ 20/23 lbs and cost ~$2500. Would save about 13 lbs total.

Also, does anyone have weight data on the driveshaft? (I am assuming there is very little weight or rotational inertia reduction to be had there with a quality CF shaft).
Sorry, that was Greg W's original post. See post #74 here.

Drive shaft? Are you serious? Is that not a major undertaking? I didn't think anyone made these anyway. But not a bad idea. Not only would you be getting lighter mass, but also lighter rotating mass -- should increase throttle response.

I've been assimilated. 6MT/ZPP/18"/PS extended.