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      07-12-2011, 11:57 PM   #1
Jelmac
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Underdrive pulley?

Thinking about the Dinan underdrive pulley for a little torque bump without much investment.

Anybody else do this mod?

Any other ideas? I'd like to stay with Dinan to keep the warranty in place.

Last edited by Jelmac; 07-13-2011 at 12:06 AM.
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      07-13-2011, 12:14 AM   #2
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I got an Evo sport pulley on my car when i was NA in addition to ESS tune,Challenge Xpipe,Gintani Race and Dinan intake and i felt a good bump in power,espicially shifting to 3rd gear.
BTW,im not sure how far does Dinan go as covering ur car or affecting your warranty cause ive heard that Dinan always put the blame on something else falling.
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      07-13-2011, 02:33 AM   #3
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I have the AA pulley. I find that it makes the car a lot more rev happy. I recently added the AA green filter and it is a really nice bump.
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      07-13-2011, 07:37 AM   #4
E92_carbonm3
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is a pulley worth the extra stress on the rest of the accessories?
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      07-13-2011, 02:59 PM   #5
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Have Dinan pulley on my car but I did other nods at same time so couldn't really tell you if its a big difference..but the h.p. rating is way up top near redline anyway
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      07-13-2011, 08:00 PM   #6
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I added it on after Dinan tune,flash and intake and it seemed to add as much as the other 3 together- just more eager.
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      07-14-2011, 03:39 AM   #7
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I added the Macht Schnell pulley. Made decent power both low and to balance out the power curve, mated it with a Macht Schnell intake elbow and drop in filter.
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      07-14-2011, 01:26 PM   #8
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I have a Dinan and didn't notice much power gain but noticed battery charging issue from iDrive warning message when my car was not a daily driver.

After my M3 became an daily driver, never saw a warning message again.
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