Quote:
Originally Posted by Blotman
Think they did something with the pulley as well. If you get an underdrive pulley mod, they will ask if your M3 was produced before or after Nov 08, if I'm recalling the date correctly.
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Nothing was done to the pulley itself... Instead the belt was changed to have threads on both sides instead of just one side thus making it harder and more exspensive to find replacement belts...