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Old 07-28-2010, 06:53 PM   #6
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Location: Novi, MI
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Yes, you would need to convert the entire package over. I don't see an advantage to the 16" wheels unless you need taller gearing. With the 15's, both the wheels and tires will be lighter. The LSD would be the biggest help in that conversion.

Yes, the crash bolts would have to be specified as a standard repair practice in a BMW manual. Sometimes they come in the form of a TSB, but I don't think it would have to be. As long as it is an approved BMW method of alignment correction, I believe they are legal.

You are correct that changing the rear bar bumps me out of GS. Due to that and several other modifications, I run STX. My comment about balance with the rear bar was merely for a data point.
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