GS 20 Programming
WARNING: This page does not describe the selected car, but rather 43 other vehicles, including the 2006 BMW M3, 2006 BMW 330Ci, 2006 BMW 325Ci, 2005 BMW M3, and 2005 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.
The control module must be programmed to update resident program data in an existing or after replacing a defective GS 20 control module. As with previous systems, the fault memory must be cleared and the system fully functional. Connect a battery charger to the vehicle prior to programming to ensure adequate voltage supply during the programming procedure. When programming is completed, clear the system adaptation values using the DIS or MoDiC. Always make sure the programming software is the latest version.