335i transmission problems?

karmatix · 11-15-2023, 12:10 PM

I have a E92 335i 2006.
It's stock other than MHD stage 1 and XHP stage 2.

When it loses grip it shakes violently and sometimes downshifts like crazy.
Any thoughts?

It drives normally other than that. Do feel a little clunk from somewhere sometimes tho.

Best regards.

ChuckW · 11-15-2023, 03:25 PM

Have you checked your suspension? That's where I would start.

SlowE92 · 11-15-2023, 06:51 PM

Quote:

Originally Posted by karmatix

I have a E92 335i 2006.
It's stock other than MHD stage 1 and XHP stage 2.

When it loses grip it shakes violently and sometimes downshifts like crazy.
Any thoughts?

It drives normally other than that. Do feel a little clunk from somewhere sometimes tho.

Best regards.

Take the trans tune off and see if error still occurs. Do you have traction control completely off when this happens?

11-15-2023, 12:10 PM	#1
karmatix Registered 0 Rep 2 Posts Drives: E92 335i 2006 Join Date: Nov 2023 Location: Denmark iTrader: (0)	335i transmission problems? I have a E92 335i 2006. It's stock other than MHD stage 1 and XHP stage 2. When it loses grip it shakes violently and sometimes downshifts like crazy. Any thoughts? It drives normally other than that. Do feel a little clunk from somewhere sometimes tho. Best regards.
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11-15-2023, 03:25 PM	#2
ChuckW New Member 12 Rep 19 Posts Drives: 2008 335xi Join Date: Sep 2022 Location: Jersey iTrader: (0)	Have you checked your suspension? That's where I would start.
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