BitBox Plugin BMW GearBox

A software module for reading and writing Siemens GS20 and Bosch GS8.60.2 ECUs of BMW transmissions over OBD.

Bosch GS8.60.2

These ECUs were used with ZF 5HP24 automatic transmissions on following cars:

BMW E38 735
BMW E38 740
BMW E38 730d
BMW E39 535
BMW E39 540

The module can read the calibration area and write with checksum correction.

Siemens GS20

These ECUs were used with General Motors 5L40 transmissions on following cars:

BMW E38 730d
BMW E39 530d
BMW E39 525d
BMW E53 X5 3.0d

The module can read and write calibration area with checksum correction.