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      07-24-2009, 09:57 AM   #6
Drives: 2007 BMW 328i Coupe
Join Date: Dec 2006
Location: Vernon, CT

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Originally Posted by twenzel View Post
well, then how do you expect to sell any of them?
The Wavetrac differential does not change the gear ratio. This is a common misconception. You can purchase a new ring and pinion setup to change the gear ratio when you are installing the Wavetrac diff, however, if you just install the diff, you will have the same ratio as when you had the stock BMW diff. I hope this info helps.
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