DCT Clutch Problems - BMW M5 Forum and M6 Forums
F10 M5 Discussion 2010- Discussion about the next upcoming generation M5 based on the next generation 5-series, the F10.

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Old 3rd June 2016, 07:22 PM Thread Starter
Kelster
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DCT Clutch Problems

When manually downshifting at highway speeds (>60 mph) the F10 rev matches and engine braking begins and then inexplicably the clutches disengage. The net result is that the F10 coasts and the revs stay elevated. Application of throttle is required to re-engage clutches. This phenomena will also occur occasionally while cruising at higher rpms. BMW of Manhattan has finally conceded that the F10 hasn't been fixed and will enter the problem in PUMA.

Has any one else experienced this DCT clutch problem? TIA
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Old 3rd June 2016, 10:32 PM
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Old 3rd June 2016, 11:13 PM Thread Starter
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Originally Posted by 100%Cocoa View Post
What mileage is your car? And do you have any after market tune? Thanks.
17K miles. Has Dinantronics Stage 2 which was removed before testing to eliminate the possibility of it being the source of the clutch malfunction.
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Old 5th June 2016, 08:29 PM Thread Starter
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Put 100+ miles on the F10 yesterday and have concluded that the second issue with the vehicle, maintaining speed & rpm after taking my foot off the accelerator is quite different than the erroneous clutch opening when attempting to use engine braking by manually down shifting. In this latter scenario the clutches are clearly staying engaged. Scheduled for round 3 with BMW of Manhattan on Monday June 13 after I come back from Timmayfest.
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Old 14th June 2016, 04:46 PM Thread Starter
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DCT Update

F10 is back with BMW of Manhattan as of yesterday. They have initiated a PUMA case and are downloading FASTA data from the ECU. Hopefully this will lead to a solution smh
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Old 15th June 2016, 03:18 AM Thread Starter
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Day 2 of the 3rd visit for the F10 to BMW of Manhattan's service department. Still no news. Losing patience. Sense of urgency lacking.
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Old 15th June 2016, 03:55 AM
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Good luck my friend. Did they get a decent loaner for you this time?

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Old 15th June 2016, 01:24 PM Thread Starter
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Good luck my friend. Did they get a decent loaner for you this time?
Thanks. Yes they did. A 320i. It's not half bad for driving in miserable traffic and worse roads in the Big Apple lol

Last edited by Kelster; 15th June 2016 at 01:25 PM.
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Old 15th June 2016, 09:29 PM Thread Starter
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Email from BMW of Manhattan confirming that they finally were able to see the clutches unexpectedly releasing on manual down shifts. What George Boutsikos told them weeks ago. PUMA also wants to obtain more FASTA data after (a) disconnecting Dinatronics and (b) putting different rims/tires on F10(!) I questioned (b) as these are factory 20" rims & Michelin PSS tires. I guess this is progress of sorts.
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Old 16th June 2016, 10:37 AM
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The old different tyres/wheels routine hey... Good luk with this. Hopefully you will get a new DTC soon.
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