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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 Tue, Feb-20-2018, 04:34:22 AM   #11
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Default Re: Anyone running a single mass flywheel with the stock (solid, unsprung) clutch dis

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Originally Posted by TheWarHammer View Post
i used a JB 10lb flywheel and a stock clutch. Everyone said it would be WAY too on and off and be a pain to drive. blah blah blah. It was awesome and how quickly it revved was insane.
I agree it is a blast, I just don't trust other people who aren't used to the car lol

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How is the chatter? Always doing it or only sometime?

Had one on my old e36 and enjoyed it. It of course would chatter when it felt like it and not all the time.
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Originally Posted by exodus454 View Post
This reminded me actually, I have horrendous chatter on hard decel above 4k. I wonder if it's that solid clutch disc, that would make a lot of sense.
For sure a lot of noise on aggressive engine braking. But on the highway at 3-5k in 6th gear its not noticeably different imo. I don't really think the solid disc contributes much cuz it was the same with my kevlar sprung disc
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Old Tue, Feb-20-2018, 04:56:45 AM   #12
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Default Anyone running a single mass flywheel with the stock (solid, unsprung) clutch disk?

Imo there’s a ‘sweet’ spot (for lack of a better term) where the flywheel noise is loudest, much like a droney exhaust. Around 2.5-3k under a sliver of partial load. That and high rpm engine braking but then the engine is already loud at that point
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Old Thu, Jul-05-2018, 03:13:35 PM   #13
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Default Re: Anyone running a single mass flywheel with the stock (solid, unsprung) clutch dis

So I think I want my stock DMF back in..

Go figure
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Old Thu, Jul-05-2018, 03:21:20 PM   #14
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Default Re: Anyone running a single mass flywheel with the stock (solid, unsprung) clutch dis

Everyone that goes LTW flywheel comes back to stock. Everyone lol
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Old Thu, Jul-05-2018, 05:29:42 PM   #15
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Default Re: Anyone running a single mass flywheel with the stock (solid, unsprung) clutch dis

I put back my stock.....
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Old Thu, Jul-05-2018, 05:40:35 PM   #16
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Default Re: Anyone running a single mass flywheel with the stock (solid, unsprung) clutch dis

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Everyone that goes LTW flywheel comes back to stock. Everyone lol
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I put back my stock.....
sigh... an expensive mistake for sure. Even worse because I had the chance to throw my 50k mile used DMF in 10k miles ago when I was getting the clutch done.. still feel like I should just fork up the money and put it back
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Old Thu, Jul-05-2018, 05:45:39 PM   #17
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Default Re: Anyone running a single mass flywheel with the stock (solid, unsprung) clutch dis

Wondering how much it would cost me given that I have all the parts. A shop near me shows 4 hours to do a clutch job at $99 an hour. Doesn't seem bad at all
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Old Thu, Jul-05-2018, 05:52:43 PM   #18
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Default Re: Anyone running a single mass flywheel with the stock (solid, unsprung) clutch dis

What's the reasoning for going back stock, annoying for street use ?

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Old Thu, Jul-05-2018, 06:04:55 PM   #19
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Default Re: Anyone running a single mass flywheel with the stock (solid, unsprung) clutch dis

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What's the reasoning for going back stock, annoying for street use ?

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Main reason for me is the noise and weird idle characteristics. I'm talking about the gear rattle under power up to 3k and then again when engine braking from high rpm, I just worry that I'm unnecessarily wearing out the trans. You definitely have to drive it differently (slip clutch more from stop, upshift faster or blip as revs drop quick) which I don't really mind, but constantly trying to drive around the weird resonant frequencies is just not worth it. I don't want to have to worry every time I rev it up high and lift sharply. Also the more relaxed shifting, damped clutch engagement, and increased inertia off the line will be welcome.

I've actually been running the SMF for 35k miles over 5 years but the car was more of a toy/weekly grocery-runner. For some reason it just clicked with me now that I'm working full time that I want it to be as quite as possible. With the windows up and just cruising around 2-3k rpm the noise is kind of annoying. It just makes the car less refined which is counterproductive in a street car. "Because racecar" is usually a pretty bad justification I've learned
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Old Thu, Jul-05-2018, 10:14:52 PM   #20
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Default Re: Anyone running a single mass flywheel with the stock (solid, unsprung) clutch dis

I have a JB Racing 10-lb flywheel installed with the stock clutch and CDV delete. The only issue was a rattle at idle and again at around 4,000 RPM when accelerating or decelerating.

The rattle is mostly gone since changing the tranny fluid to a 50/50 mix of Redline MT-90 and Redline 75W140NS per the following:

http://www.uucmotorwerks.com/html_te...nny_rattle.htm

http://www.uucmotorwerks.com/flywheel/gear_rattle.htm

I would never go back to stock.
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Discussing Anyone running a single mass flywheel with the stock (solid, unsprung) clutch disk? 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)