A look at an F8x clutch after 50k miles of daily driver duty

JoeFromPA · 08-02-2018, 03:02 PM

Hi all,

Just got my car back after having the clutch replaced under warranty as my 50k miles is up and the technician noticed some judder going into 1st.

Wanted to share these pictures with you of a stock f8x twin disc clutch after 4 years/50k miles of daily driving.

To me this looks like extremely modest wear and everything looks great. Can't say I've ever seen a used twin disc clutch before.

Hope you find this interesting!

Joe

P.s. As far as I could tell, none of those are heat spots - just normal clutch-dirt.

xfactor · 08-02-2018, 03:04 PM

Interesting...very modest wear. Glad they replaced it under warranty. Have you done any track or race time with this car?

JoeFromPA · 08-02-2018, 04:05 PM

Quote:

Originally Posted by xfactor

Interesting...very modest wear. Glad they replaced it under warranty. Have you done any track or race time with this car?

No, daily driver year round. Plenty of highway.

New clutch is grabby as heck - needs some break-in.

My guess is with my usage patterns a stock clutch would be fine for 150k.

shortseller · 08-02-2018, 04:29 PM

^ 100K at least based on that photo. Cool pics and posting, nice the tech let you snap the photos! Good quality clutch.

Aaaaaaaaa · 08-02-2018, 06:20 PM

Very cool. Please update regularly on return or lack thereof of the judder.

RobbyMack · 08-02-2018, 06:33 PM

Curious what the judder was you were feeling? I feel like in first gear I get something similar, but usually only in the mornings when everything is still cold.

Speedwell-Industries · 08-02-2018, 06:40 PM

I find this very interesting, thanks for sharing Joe!

NVA2L8-II · 08-02-2018, 10:21 PM

Quote:

Originally Posted by RobbyMack

Curious what the judder was you were feeling? I feel like in first gear I get something similar, but usually only in the mornings when everything is still cold.

I’d love to know the details of the “judder...”as well!

Thanks for sharing your experience!

Aaaaaaaaa · 08-02-2018, 10:27 PM

Quote:

Originally Posted by NVA2L8-II

Quote:

Originally Posted by RobbyMack

Curious what the judder was you were feeling? I feel like in first gear I get something similar, but usually only in the mornings when everything is still cold.

I’d love to know the details of the “judder...”as well!

Thanks for sharing your experience!

Clutch "judder" - 6MT https://f80.bimmerpost.com/forums/sh....php?t=1359595

NVA2L8-II · 08-02-2018, 11:36 PM

Thanks!

420Coupe · 08-03-2018, 12:30 AM

So what do i have to convince my technician of to replace it; cause my first gear judders like crazy when oil is cold; best description would be bucking.

Poiseuille · 08-03-2018, 04:55 AM

Thanks for posting those pictures OP, at least for the friction surface that's pretty good news.

boss2k · 08-03-2018, 08:46 AM

They replaced the clutch for judder going into 1st? I think it happens for all cars if u dont give enough gas

joooiiiiii · 08-03-2018, 09:33 AM

Do you know how much would have been if it wasn't under warranty to replace?

G35POPPEDMYCHERRY · 08-08-2018, 08:26 AM

Quote:

Originally Posted by joooiiiiii

Do you know how much would have been if it wasn't under warranty to replace?

well north of 1k. maybe 2k

fabulousprofound · 10-17-2018, 03:11 PM

Quote:

Originally Posted by RobbyMack

Curious what the judder was you were feeling? I feel like in first gear I get something similar, but usually only in the mornings when everything is still cold.

bump... wondering as well.

kolosy · 10-17-2018, 03:22 PM

I had something like that on my 6MT F30, and was the dealer waved me off as "that's normal."

Haven't seen it on the F80.

prodigymb · 10-17-2018, 03:33 PM

looks like it has a ton of life left in it

E92 M Sport · 10-18-2018, 07:21 PM

Thanks for sharing. Good luck with your replacement.

clutchdj · 10-19-2018, 11:27 AM

Interesting. Clutch disk looks a little worn in but not bad. So what did the tech say? Warped flywheel or pressure plate?

08-02-2018, 03:02 PM	#1
JoeFromPA Colonel 1796 Rep 2,997 Posts Drives: '15 AW M3 6MT Stripper Join Date: Aug 2013 Location: SE PA iTrader: (0)	A look at an F8x clutch after 50k miles of daily driver duty Hi all, Just got my car back after having the clutch replaced under warranty as my 50k miles is up and the technician noticed some judder going into 1st. Wanted to share these pictures with you of a stock f8x twin disc clutch after 4 years/50k miles of daily driving. To me this looks like extremely modest wear and everything looks great. Can't say I've ever seen a used twin disc clutch before. Hope you find this interesting! Joe P.s. As far as I could tell, none of those are heat spots - just normal clutch-dirt. Attached Images __________________ AW/Carbonstructure 6MT 2015 M3 picked up 8/22/2014. Stripper except for adaptive suspension. Weighed at 3,450 pounds with 1/4 fuel. 70,000 miles as of February 2020.
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08-02-2018, 03:04 PM	#2
xfactor First Lieutenant 152 Rep 328 Posts Drives: 18 M4 6MT ZCP (AY) Join Date: Jul 2011 Location: Toronto iTrader: (0)	Interesting...very modest wear. Glad they replaced it under warranty. Have you done any track or race time with this car? __________________ Wife: X6M Mistress: S1000RR Last edited by xfactor; 08-02-2018 at 03:10 PM..
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08-02-2018, 04:29 PM	#4
shortseller Brigadier General 1003 Rep 3,396 Posts Drives: ‘18 ABM F80ZCP/dct Join Date: Aug 2010 Location: NOVA iTrader: (0)	^ 100K at least based on that photo. Cool pics and posting, nice the tech let you snap the photos! Good quality clutch. __________________
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08-02-2018, 06:20 PM	#5
Aaaaaaaaa Banned 7559 Rep 5,056 Posts Drives: The other M3 Join Date: Oct 2014 Location: So Cal iTrader: (0)	Very cool. Please update regularly on return or lack thereof of the judder.
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08-02-2018, 06:33 PM	#6
RobbyMack Captain 739 Rep 696 Posts Drives: '16 F80 Sakhir Join Date: May 2014 Location: The Left Coast iTrader: (0)	Curious what the judder was you were feeling? I feel like in first gear I get something similar, but usually only in the mornings when everything is still cold.
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08-02-2018, 06:40 PM	#7
Speedwell-Industries 434 Rep 884 Posts Drives: 2017 YMB M3 Join Date: Jun 2018 Location: Southern California iTrader: (0)	I find this very interesting, thanks for sharing Joe!
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08-02-2018, 11:36 PM	#10
NVA2L8-II Private 20 Rep 53 Posts Drives: F80 / M3 Join Date: Jul 2018 Location: HONOLULU iTrader: (0)	Thanks!
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08-03-2018, 12:30 AM	#11
420Coupe Lieutenant 223 Rep 443 Posts Drives: 2015 Alpine White M3 Join Date: Jan 2018 Location: FL iTrader: (0)	So what do i have to convince my technician of to replace it; cause my first gear judders like crazy when oil is cold; best description would be bucking.
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08-03-2018, 04:55 AM	#12
Poiseuille Brigadier General 5393 Rep 3,737 Posts Drives: 2016 M4 DCT Tanzanite/Amaro Join Date: Oct 2016 Location: Princeton iTrader: (0) Garage List [0.00] [10.00]	Thanks for posting those pictures OP, at least for the friction surface that's pretty good news.
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08-03-2018, 08:46 AM	#13
boss2k Colonel 1090 Rep 2,798 Posts Drives: 2021 M2C Join Date: Jan 2010 Location: Atlanta iTrader: (2)	They replaced the clutch for judder going into 1st? I think it happens for all cars if u dont give enough gas __________________ 2021 M2C HS/6MT/Exec/Moonroof
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08-03-2018, 09:33 AM	#14
joooiiiiii Lieutenant 439 Rep 418 Posts Drives: 2018 BMW M3 ZCP Join Date: Oct 2017 Location: California iTrader: (0)	Do you know how much would have been if it wasn't under warranty to replace?
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10-17-2018, 03:22 PM	#17
kolosy Colonel 1485 Rep 2,018 Posts Drives: over potholes Join Date: Dec 2008 Location: Chicago iTrader: (2)	I had something like that on my 6MT F30, and was the dealer waved me off as "that's normal." Haven't seen it on the F80. __________________ Current '21 DG X5MC, '22 X5M50i, '11 E90 M3 Recent Past '12 E92 M3 ZCP, '08 E93 M3, '18 F80 ZCP, '04 E46 M3 I think I have an M3 problem.
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10-17-2018, 03:33 PM	#18
prodigymb Captain 208 Rep 620 Posts Drives: V10+ R8, 997TT, Plaid, G550 Join Date: Apr 2008 Location: Mexico iTrader: (2)	looks like it has a ton of life left in it
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10-18-2018, 07:21 PM	#19
E92 M Sport Lieutenant 287 Rep 398 Posts Drives: 2016 F82 Join Date: Aug 2012 Location: NJ iTrader: (0)	Thanks for sharing. Good luck with your replacement. __________________ 2016 M4 MW/SS 6mt
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10-19-2018, 11:27 AM	#20
clutchdj Colonel 1879 Rep 2,398 Posts Drives: a few cars Join Date: May 2015 Location: NY iTrader: (6)	Interesting. Clutch disk looks a little worn in but not bad. So what did the tech say? Warped flywheel or pressure plate?
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