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Old 01-16-2019, 02:15 AM
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Join Date: Jan 2019
Location: New Jersey
Car: 2011 BMW 328xi coupe
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Default 9CBA code canít clear; Window Master/Mirror works sometimes

Hello everyone,

Iím looking for some help. I just bought a 2011 328xi coupe E92.
Went to tint the windows everything was working fine.
Went back a few days later to retint the drivers window because of a bubble. Observed the guy spray a lot of water on the drivers window to peel off the bad tint.
Got the car back. An hour later while sitting parked in my car both windows dropped on their own and wouldnít close with the master switch. Closed the windows with the key in the door.
4 days later when it was time to open the windows the master switch doesnít work. Went to the tint shop, they put it on the computer and got the 9CBA code. They tried clearing it but it kept coming back on. They told me I need to see a BMW specialist to re program the footwell module.
A few days later I start the car in freezing weather and my window switch and mirror switch works. Within minutes stops working again.

Took it to my mechanic. He says itís the GM module in the door and he needs to order from BMW and re program. Says that it probably got wet and froze cracking the board.

My question is:
Is it the gm module or my footwell module?
Can I buy a used junk yard module and re program or does it have to be new?
Could this be a much simpler fix?

I would appreciate any help or advice

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