Transfer cases DCD and DD295 / ITC PLA are almost identical, so we have combined materials on them into one article. DD295 Transfer Box Teardown
NV125 is an old transfer case, but thanks to its reliable design, they are still in service. As usual, there are no instructions from BMW, but a miracle - they were also installed on Ford. Look what wonderful repair instructions for NV125 are available to all of us! Be sure to bookmark the diagram of this transmission, and remember to follow it when disassembling and reassembling components.
We have chosen to compile photo and video testimonials from our clients and others who have undertaken the independent repair of the ATC45L transfer case (BMW xDrive). Our intention is to provide valuable insights for those in the initial stages of restoring their transfer case, helping them avoid common pitfalls. Feel free to engage in discussions on forums to gain knowledge about the repair process or share your own experiences. Additionally, expressing gratitude to the contributors in those forums is a thoughtful gesture. X5 50i ATC45L Transfer Case Rebuild @ bimmerpost.com
Symptom The warning message "Fault All-wheel drive system" is displayed in the instrument cluster. Fault codes can be stored in the fault memory of the all-wheel drive control unit. Causes and remedial action Cause Due to incorrect sealing of the electric plug connection on the transfer case servo motor, moisture can get into the connector. As a result, the contacts can become corroded. Model Year: As of 2011 up to 2017 Remedial Action In the event of a customer complaint, check the plug connection on the servo motor and the servo motor itself for damage: If the electric plug connection...
Missing Offset and Gradient Values on the Transfer Case Information Missing offset and gradient values on the transfer case When you replace the all-wheel drive control unit or the transfer case (with the all-wheel drive control unit), the offset and gradient values (referred to below as classification data) must be written into the new all-wheel drive control unit. The absence of classification data in the all-wheel drive control unit will result in poor vehicle driveability. Since the classification data always relates to and is matched to the transfer gear, it is engraved on the transfer case; ⇒ Figure 1 shows...
