Instructions for resetting automatic transmission adaptation on a BMW E38
Materials:
* INPA cable
* INPA software
Steps:
1. Connect the INPA cable to the OBD II diagnostic port: The port is usually located under the steering column or in the glove compartment.
2. Open INPA software: Launch INPA software on your computer.
3. Select the car model: In the main menu of the INPA program, select «E38».
4. Select the transmission control unit: Go to the «Funktionsauswahl» section and select «Getriebe (Trans).»
5. Go to the adaptation menu: From the transmission menu, select «Adaption».
6. Select automatic adaptation: In the adaptation menu, select «Automatikgetriebe (Automatic transmission)».
7. Reset all adaptations: In the automatic transmission menu, select «Alle Adaptionen zur?cksetzen (Reset all adaptations)».
8. Confirm reset: Confirm reset by clicking «OK».
9. Disconnect the INPA cable: Disconnect the INPA cable from the OBD II diagnostic port.
Important Notes:
*Be sure to allow the engine to cool before performing a reset.
* Resetting adaptation will result in the loss of stored parameters such as shift smoothness and torque converter lock-up torque.
* After the reset, adaptation relearning will be required, which may take some driving time.
*If you have any doubts or concerns, consult a qualified mechanic.