I know this is an old thread but should also add Bimmerdiffs offers three and four plate conversions for the standard 188mm medium case diff.
http://www.bimmerdiffs.com/
I know this is an old thread but should also add Bimmerdiffs offers three and four plate conversions for the standard 188mm medium case diff.
http://www.bimmerdiffs.com/
STU BMW Z3 2.5liter
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