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      03-09-2010, 11:57 PM   #69
xxe92xx
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Drives: 08 M3
Join Date: Oct 2008
Location: Milwaukee, WI

Posts: 783
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Quote:
Originally Posted by King Tut View Post
Do you even understand what an underdrive pulley does? It is SMALLER in diameter so as to underdrive the accessories and not take as much power from the crankshaft. That means that you can't use an OEM length belt. The 2nd generation pulley setups in the DCT and 2009+ cars use a non standard double sided belt that is not readily available over the counter which is why all the companies besides AA decided to go another route in designing their pulley setups. AA decided to have some company make them a longer length double sided belt which apparantly has some reliability issues unfortunetly.
yeah i knew that before i asked the question i knew it wasnt going to work but i tried it anyway and.....it didnt work so i put a couple gates belts on, but the oem belts are so much better i juss dont trust these thinner belts...
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