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E36 M3 (1992-1999) {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999


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Old Tue, Dec-06-2011, 04:39:32 PM   #41
EmDeeAr
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Default Re: Underdrive Power Pulleys

Why do these cars even have the air-box baffle? I read it smooths out the flow to the MAF, but that just seems like BS since the euro M3's do not have the baffle (at least I don't think they do...). Just curious.
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Old Tue, Dec-06-2011, 05:35:54 PM   #42
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Default Re: Underdrive Power Pulleys

Baffle is mainly to reduce sound. It may also have some effect on flow, but with all the angles in the airbox I don't really see how it could help much.
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Old Tue, Dec-06-2011, 09:31:52 PM   #43
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Default Re: Underdrive Power Pulleys

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Originally Posted by fritzdegner View Post
I'm doing some belt/pulley maintenance and started looking at the the power pulley kit from Turner. For those with this kit or other power pulley kits, do they provide any noticeable power? Any downside or problems with them?

Thanks
I have the Turner pulleys. The previous owner installed them. I have put 60K miles on them with no problems. My car has LT flywheel and pulleys and it feels pretty quick to me.
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Old Tue, Dec-06-2011, 09:59:08 PM   #44
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Default Re: Underdrive Power Pulleys

Biggest different is prob the LTW flywheel. That will make the engine rev a lot happier.
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Old Tue, Dec-06-2011, 10:32:54 PM   #45
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Default Re: Underdrive Power Pulleys

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Originally Posted by radialaced View Post
I have the Turner pulleys. The previous owner installed them. I have put 60K miles on them with no problems. My car has LT flywheel and pulleys and it feels pretty quick to me.
On the same boat, I was loving it....

Before the car was put away
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Old Wed, Dec-07-2011, 02:50:36 AM   #46
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Default Re: Underdrive Power Pulleys

Roughly, the effect of a LTW flywheel is like losing 250 lbs in 1st gear, 100 lbs in 2nd gear and 50 lbs in 3rd gear. Goes down as torque multiplication goes down. I ran one for years and liked it with a centrifugal supercharger. I use a stock DM flywheel with the turbo, since the turbo produces massive torque.
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Old Tue, Dec-13-2011, 02:55:06 PM   #47
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Default Re: Underdrive Power Pulleys

Are they worth doing if I'm going to be replacing the belts anyways? I mean are the stock plastic pulleys really a wear and tear item if I'm nearing 100k?
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Old Tue, Dec-13-2011, 03:26:22 PM   #48
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Default Re: Underdrive Power Pulleys

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Originally Posted by jeremy5000 View Post
Are they worth doing if I'm going to be replacing the belts anyways? I mean are the stock plastic pulleys really a wear and tear item if I'm nearing 100k?
if you have to replace, you might as well.

get the evosport pullies. you'll feel more pep in higher revs.
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Old Tue, Dec-13-2011, 03:28:20 PM   #49
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Default Re: Underdrive Power Pulleys

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Originally Posted by KBuva06 View Post
if you have to replace, you might as well.

get the evosport pullies. you'll feel more pep in higher revs.
I mean are the pulleys themselves something that should be replaced at 100k?
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Old Tue, Dec-13-2011, 03:53:45 PM   #50
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Default Re: Underdrive Power Pulleys

oh sorry, didn't read carefully.

nah, those actual plastic pulleys themselves don't really deteriorate much and should last... i switched to evosport pullies at 120,000 miles and my original ones are still in good shape.
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Discussing Underdrive Power Pulleys in the E36 M3 (1992-1999) Forum - {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999 at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)