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.
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HOMESERVICE MANUALSBMW2009750I 4.4 3REPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTHEADLIGHTSLIGHTS - OVERVIEW
2009 BMW 750i 4.4 3
Lights - Overview
2009 BMW 750i 4.4 3SECTION Lights - Overview
- Adaptive Headlights E60, E61, E63, E64, E65, E66, E70, E81, E87, E90, E91, E92, E93
- Notes
- Introduction
- Brief Description of Components
- Notes
- CAS: Car Access System
- Light Switch
- Turn-Signal/Main-Beam Switch
- SZL: Steering Column Switch
- Ride-Height Sensors
- Brake Light Switch
- Position Sensor
- Zero-Position Sensor
- EGS Control Unit or Reversing Light Switch
- Rain-Light Sensor For Automatic Driving Lights Control
- Steering-Angle Sensor and DSC Sensor
- AHL: Adaptive Headlights
- LM: Light Module
- FRM: Footwell Module
- SMC: Stepper Motor Controllers
- SGM: Safety and Gateway Module
- KGM: Body Gateway Module
- Xenon-Headlight Control Unit
- Headlights
- Stepper Motors For the Adaptive Headlights
- Indicator Light On the Light Switch
- System Functions
- Notes
- System Activation and Automatic Calibration
- Activation of Stepper Motor Controllers
- Speed-Dependent Analysis of Signals
- Adjustment of Headlight Horizontal Aim
- Deactivation of Adaptive Headlights Function Under Extreme Handling Conditions
- Deactivation of Adaptive Headlights Function In Response To System Faults
- Setting Headlights To Parked Position
- Automatic Headlight-Range Adjustment
- Adaptive Headlights For Automatic Driving Lights Control
- Turning Lights
- Preconditions For Activation
- National Versions
- Main-Beam Assistant E60, E61, E63, E64, E65, E66, E70, E90, E91, E92, E93
- Notes
- Introduction
- Brief Description Of Components
- System Functions
- Notes
- Automatic Main - Beam Headlight Switch-Off When Oncoming Traffic Is Detected
- Automatic Main - Beam Headlight Switch-Off When Vehicle Detected Ahead Of The Car
- Automatic Main - Beam Headlight Switch-Off When Adequate Ambient Lighting Is Detected
- Automatic Main-Beam Headlight Switch-On
- Displays In The Instrument Cluster
- Function Limitations Of The Main-Beam Assistant
- Automatic Alignment Of The Main-Beam Assistant
- Operation
- Preconditions For Activation
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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.