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      10-09-2018, 04:09 PM   #21
Elderado82
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Drives: 2021 M340i XDrive
Join Date: Apr 2018
Location: Lincoln, NE

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Ok, took the car in on Friday to get the DCT looked at to see if there is a reason behind the light squawking sound coming from the passenger side.

Well my mechanic said its without a doubt the DCT making the noise. They got it up on a lift checked for leaks, nothing. Checked the fluid and filter for signs of grit or wear n' tare, nothing. Made sure it's running the latest firmware and it is. Checked for any inconsistencies with shifting, any grinding reports, pump issues, or pressure issues and found, well nothing.

The mechanic also contacted some others in his network of BMW mechanics and they have no idea why the DCT is making this noise. So I'm at a loss here as to why or what is causing this. Like yourself neepertech the car pulls very well and shifts well just has this noise.

If we have any other late model 135i's out there with a DCT that's making this same noise, I wonder? Or, is this a very rare circumstance?
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