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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 04-20-2013, 07:46 AM   #1
Rka
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Join Date: Oct 2006
Location: Mjölby, Sweden
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My Ride: M3 SMG-03
UCC M5 Hybrid clutch problem

I am about to install a M5 hybrid clutch LTW stg 2, on my car ( M3 E46 SMG)
The workshops have problem with that the clutch snatches when driving slowly from standstill. Could this be a matter of break in ?
The workshop is also not satisfied how the car change gears..

They will run a new "learning process" on the SMG. I hope they slove the problem.

Any input would be great.

/Erik
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Old 04-20-2013, 11:49 AM   #2
wilsel
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Is the M5 SMG tranny the same as ours? Surely the flywheel isn't. I've never heard of this being done before.
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Old 04-20-2013, 01:13 PM   #3
$ilent ///M
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did they reset the characteristic curve and relearn the clutch slip points. these are the 2 service functions required after clutch replacement
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Old 04-20-2013, 01:15 PM   #4
Rka
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Quote:
Originally Posted by wilsel View Post
Is the M5 SMG tranny the same as ours? Surely the flywheel isn't. I've never heard of this being done before.
It´s a rebulid clutch from a S38 (M5)
http://store.uucmotorwerks.com/ltw-s...luid-p248.aspx

Last edited by Rka; 04-20-2013 at 01:19 PM.
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Old 04-20-2013, 02:08 PM   #5
Rka
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Quote:
Originally Posted by $ilent ///M View Post
did they reset the characteristic curve and relearn the clutch slip points. these are the 2 service functions required after clutch replacement
Thanks for the input. I think they've done what should be done with a OEM clutch replacement. But I'll check with them on Monday.
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Old 04-25-2013, 03:10 PM   #6
Rka
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Picked up the car today. The clutch is working properly, after a new learning.
No doubt this is race stuff
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Old 05-02-2013, 06:41 PM   #7
illestminimike
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UCC M5 Hybrid clutch problem

Glad it worked out for you.
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Old 05-05-2013, 11:33 PM   #8
Sinful7
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when my smg clutch went i really considered doing this swap, but considering im just a stock m3, i went to a stock clutch.. but belive me i really considered this upgrade for when i go FI, if i ever do lol..
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Old 06-23-2013, 05:02 PM   #9
Rka
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Update:Have driven the car a few trackdays and stuff works really well on the track. Gear lash noise is quite evident, and the flywheel makes it snatches when driving slowly = race stuff.
Have not changed the oil UUC sent with the kit. It is possible that much of the sound disappears with new oil.
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