e90

CarManNJ · 05-27-2023, 01:38 PM

Got the dreaded 4x4 - DSC errors..

I ve looked at several videos and threads to replace the servo motor from the transfer case. Any one know if I replace the entire servo motor (actuator) will I need to code it into the computers of the car? I was told only the dealer may be able to do this or some shops that have the appropriate equipment.

Looked at this as a reference - https://www.e90post.com/forums/showthread.php?t=633200

Thoughts
200 335xi - Manual

jadams161 · 06-01-2023, 07:27 AM

The motor does not need to be coded. I would change the Tcase oil and then reset oil life and run the Tcase calibration function. That can be done with several apps like Bimmergeeks Protool

Saico · 06-17-2023, 07:31 AM

In my opinion changing transfer oil when there are already error light displaying is a waste of money. It is either the motor or the TC internals.

Unmount the motor, look if the rack inside that the motor moves is stiff. If yes new motor may help, if its loose - TC needs rebuilt.

05-27-2023, 01:38 PM	#1
CarManNJ New Member 0 Rep 7 Posts Drives: Too Many to count Join Date: Oct 2017 Location: NJ iTrader: (0)	e90 - Case Servo motor placement ,Code? Got the dreaded 4x4 - DSC errors.. I ve looked at several videos and threads to replace the servo motor from the transfer case. Any one know if I replace the entire servo motor (actuator) will I need to code it into the computers of the car? I was told only the dealer may be able to do this or some shops that have the appropriate equipment. Looked at this as a reference - https://www.e90post.com/forums/showthread.php?t=633200 Thoughts 200 335xi - Manual
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06-01-2023, 07:27 AM	#2
jadams161 First Lieutenant 171 Rep 339 Posts Drives: 2009 E93 335i. 2011 E90 328xi Join Date: Apr 2021 Location: Upstate New York iTrader: (1)	The motor does not need to be coded. I would change the Tcase oil and then reset oil life and run the Tcase calibration function. That can be done with several apps like Bimmergeeks Protool
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06-17-2023, 07:31 AM	#3
Saico Private 30 Rep 85 Posts Drives: 330xi Join Date: May 2018 Location: PL iTrader: (0)	In my opinion changing transfer oil when there are already error light displaying is a waste of money. It is either the motor or the TC internals. Unmount the motor, look if the rack inside that the motor moves is stiff. If yes new motor may help, if its loose - TC needs rebuilt.
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