1997-2000 BMW 5 Series Left Window Switch
Specifications
Side
Left (driver side)
Donor year
1998
Body style
Sedan
Fuel
Gas
Engine size
2.8 L
Engine code
M52
Engine type
2.8L I6
Drivetrain
RWD
About this part
Also known as
Master Window Switch
Driver Window Switch
Window Control Module
Door Switch Block
Master Power Switch
What this part does
The driver-side master window switch serves as the central control module for all four power windows and the exterior power side mirrors. Mounted in the front left door panel armrest, it routes power and signals to the individual door modules and window motors. This assembly also houses the child safety lockout button that disables the rear window switches. When the internal contacts wear out or the circuit board fails, you may experience intermittent window operation, inability to adjust the side mirrors, or a complete loss of window control from the driver's seat.
Fits these vehicles
| Make | Model | Years | Engine |
|---|---|---|---|
| BMW | 528i | 1997-2000 | 2.8L I6 |
| BMW | 540i | 1997-2000 | 4.4L V8 |
| BMW | M5 | 1999-2000 | 4.9L V8 |
Before you order
Verify your exact mirror options before purchasing. The E39 chassis uses different master switch blocks depending on whether the vehicle is equipped with standard power mirrors or the optional power-folding mirrors. Match the pin configuration on the back of your original switch to ensure compatibility, as BMW made rolling changes to the electrical connectors during the production run. It is highly recommended to gently pry the old switch out with a non-marring trim tool to prevent damage to the door panel armrest during installation.
