Thread: Clutch Shutter
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      01-12-2018, 06:19 AM   #1
pit1
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Drives: F87 M2
Join Date: May 2008
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Clutch Shutter

Looking for some insight from fellow owners on this one.

My M2 6sp has about 30k miles on it today. For the last 15k or so I've been battling what I think is a Transmission Shutter/Chatter. It's felt primarily in 1st gear, but when acting up is also noticeable in engaging second.

The sensation:
When engaging the 1st gear from a standstill, I'll get the clutch out just beyond the grab point and I feel a slight slip or Shutter just before the gear fully engages. The Shutter is felt mostly in my seat and left foot and results in a disrupted takeoff. At its worse, it will feel like a smooth engagement and then the car will "fall" into gear. This is also felt entering 2nd at times.

When:
The transmissions feels rock solid and smooth for the first 5 miles or so. If in stop and go traffic it will act up more quickly.
If driving aggressively it's not noticeable.
The worst occurrences have been after a bout of spirited driving, so I do believe it's heat related. At that point the Shutter was an audible vibration and clunk into gear.

Evaluation:
I've been complaining about this for some time, leaving my car with my service advisor and master tech over the weekend. They tell me it's all normal.

Background:
I'm no novice to manual transmissions. Mid-30s and I've only ever owned manual trans, primarily BMWs.

Anyone else feel this sensation?
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