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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Mon, Apr-16-2018, 07:40:22 AM   #11
maynard423
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Default Re: Clutch Woes

I donít have that. After hours of research and sound clips Iíve ruled the noise at idle to be chatter produced from the fly wheel. I didnít think 2lbs would make that much of a difference but I was wrong. I think Iím ruling out the TOB as well. That leaves an imbalance issue to explain the vibration/noise when shifting. Iím going to contact the manufacture and see what they say.


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Old Mon, Apr-16-2018, 07:49:21 AM   #12
mrgizmo04
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Default Re: Clutch Woes

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Originally Posted by maynard423 View Post
I donít have that. After hours of research and sound clips Iíve ruled the noise at idle to be chatter produced from the fly wheel. I didnít think 2lbs would make that much of a difference but I was wrong. I think Iím ruling out the TOB as well. That leaves an imbalance issue to explain the vibration/noise when shifting. Iím going to contact the manufacture and see what they say.


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Yeah that vibration is not tob.

Clutch setup is very different from stock, going from dual mass sprung flywheel and solid disc to single mass lighter flywheel and sprung clutch disc.

Light flywheel vibration "issues" happen at higher rpm (5k+), so this might still be something else...

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Old Mon, Apr-16-2018, 07:55:19 AM   #13
maynard423
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Default Re: Clutch Woes

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Originally Posted by mrgizmo04 View Post
Yeah that vibration is not tob.

Clutch setup is very different from stock, going from dual mass sprung flywheel and solid disc to single mass lighter flywheel and sprung clutch disc.

Light flywheel vibration "issues" happen at higher rpm (5k+), so this might still be something else...

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Thatís where Iím stuck. I wish someone who has a similar set up could drive it and give me a comparison. The issue happens right around 3200-3500 rpm. I previously said 2800 but I paid closer attention today. It seems to be worse after the car is warm as well.


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Discussing Clutch Woes in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)