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#11 | |
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Join Date: Oct 2003
Carmudgeonly Ride: '11 1M; '08 MCS; '02 325iT
Location: Churzee
Posts: 17,251
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Quote:
Kind of maddeningly, this morning it showed no symptoms at all, behaving perfectly without any special treatment. Not sure how that happens -- either it's broken or it's not, right? ![]()
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#12 |
I only like old BMWs.
Join Date: Apr 2005
Carmudgeonly Ride: 987S, Ram, MS3, 330Ci, CX-5, RX-8
Location: Glenwood, MD
Posts: 12,154
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There might be some uneven clutch material deposits on either the pressure plate or the flywheel which could cause the juddering, which could cause the two flywheel masses to get out of sync. Just a guess. Clutches also grip better when they're warmed up, so if it was cold this morning, it might hide the problem.
If there's a single-mass solution for your car I'd probably choose to replace the clutch / FW with that, assuming you take the car in to get the clutch done. There is nothing magic about BMW clutches that requires any specialized labor. Any good indie shop should be able to handle it. It'll be expensive, though. |
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#13 | |
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Join Date: Oct 2003
Carmudgeonly Ride: '11 1M; '08 MCS; '02 325iT
Location: Churzee
Posts: 17,251
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Quote:
Single mass is also an interesting thought, though with this car I'm especially hesitant to do anything not to OEM spec. I'm going to sell it at some point (not soon), and I have a feeling potential buyers for a high mileage 1M are going to be extra anal-retentive about absolutely everything. Even moreso if it goes up on BaT. (Have they even had a 1M yet?) Good to know there's no special BMW clutch juice required. Thanks.
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#14 | |
Old Fart
Join Date: Oct 2003
Location: Bethesda, MD
Posts: 8,575
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Quote:
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2006 GMC Sierra 2500HD 4WD LBZ/Allison 2002 BMW M3 1999 323i GTS2 1995 M3 S50B32, S6S420G, 3.91 1990 325is 1989 M3 Hers: 1988 325iX 1996 911 Turbo ![]() |
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#15 |
What ev's
Join Date: Apr 2005
Posts: 2,117
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I can't comment on what could be the issue but in regards to using a dealership for replacement versus a shop I wanted to give you an issue I went through.
When I had that NSX a few years ago I had a shudder on the clutch at take off first gear as well and had the dealership replace the clutch which I paid for. The replacement clutch was if I recall a little better but had a shudder at take off as well ... the best part of having an Acura dealer do the work is there was a warranty and they ended up replacing the clutch again without any argument or questions. They also did multiple adjustments to it when I wasn't satisfied with the feel. Another benefit is they supplied a loaner car each time I took it in. I don't know if a regular shop would have done this or not but I do know the dealerships never minds doing warranty work if there is an issue with their work being they get paid by the manufacturer. |
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#16 |
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Join Date: Oct 2003
Carmudgeonly Ride: '11 1M; '08 MCS; '02 325iT
Location: Churzee
Posts: 17,251
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Sure, but I'm well out of warranty. And my guy does have loaners. (A couple of E46 325s)
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2011 1M |
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#17 |
Old Fart
Join Date: Oct 2003
Location: Bethesda, MD
Posts: 8,575
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IIRC, dealerships also charge roughly twice as much for the job. The point that the dealer work/new parts are covered by some level of warranty is valid, though.
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2006 GMC Sierra 2500HD 4WD LBZ/Allison 2002 BMW M3 1999 323i GTS2 1995 M3 S50B32, S6S420G, 3.91 1990 325is 1989 M3 Hers: 1988 325iX 1996 911 Turbo ![]() |
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#18 | |
Crotchety
Join Date: Oct 2003
Carmudgeonly Ride: '15 Mini Cooper S; '66 Volvo 1800S
Location: Austin, TX
Posts: 1,470
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Quote:
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#19 | |
older fart than ZBB
Join Date: Oct 2003
Location: On the road again
Posts: 6,792
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Quote:
Edit: and Plaz already has a relationship with his shop in Sterling
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2017 GMC Sierra 1500 SLE 2016 Focus SE |
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#20 |
Old Fart
Join Date: Oct 2003
Location: Bethesda, MD
Posts: 8,575
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Or not. If you can live with / drive around the juddering, you could have tons of life left in the clutch. The dual mass springs seem to wear out a long time before the clutch disc itself does most of the time.
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2006 GMC Sierra 2500HD 4WD LBZ/Allison 2002 BMW M3 1999 323i GTS2 1995 M3 S50B32, S6S420G, 3.91 1990 325is 1989 M3 Hers: 1988 325iX 1996 911 Turbo ![]() |
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