Schema Electrique Bmw E39 Top ((install)) May 2026
sunroof (moonroof)
While the BMW E39 was never produced as a factory convertible (it was only available as a sedan or touring/wagon), owners seeking electrical guides for "top" systems typically refer to the or are searching for technical data from related models like the E36 or E46. Electrical Schema Overview for E39 Roof Systems
Rating: 7/10
- SHD Module (Sliding/Tilting Sunroof Drive): The control brain located in the roof motor.
- GM-III (General Module): Receives signal from the switch.
- Switch Panel (SBM): The overhead console with the rotary switch.
- Hall Sensors: Inside the motor, tracking position.
- BMW WDS (Wiring Diagram System) – Version 12 or 13 covers E39 with all variants.
- Official ETM (Electrical Troubleshooting Manual) – Available in PDF for 1997, 1999, and 2002 model years (the "top" changed from MkII to MkIII nav).
- Aftermarket resources: Bentleys Publishers manual includes color schematics for M5 and 540i.