Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Components Involved: Notes
2009 BMW 750Li 4.4, N63SECTION Notes
The following graphic shows all the components of the power window system together with the respective control units and control elements.
COMPONENTS DESCRIPTION CHART
| Index | Explanation |
|---|---|
| 1 | Car Access System 4 |
| 2 | Junction box electronics |
| 3 | Remote control receiver in diversity module |
| 4 | Footwell module |
| 5 | Central gateway module |
| 6 | Power window switch |
| 7 | Power window motors |
The following components are described:
- Controls
- Control units
- Car Access System 4
- Footwell module
- Junction box electronics
- Power window motor
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.