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 MANUALSBMW2011550XI 4.4 CREPAIR AND DIAGNOSISRESTRAINTSRESTRAINTS CONTROL SYSTEMSPASSIVE SAFETY SYSTEMS - OVERVIEW
2011 BMW 550xi 4.4 C
Passive Safety Systems - Overview
2011 BMW 550xi 4.4 CSECTION Passive Safety Systems - Overview
- Introduction
- Models
- System Overview
- Functions
- System Components
- 5.1. Crash Safety Module
- 5.2. Sensors and switches
- 5.3. Actuators
- Notes
- 5.3.1. Adaptive Driver's airbag
- 5.3.2. Adaptive Front passenger airbag
- 5.3.3. Knee airbag
- 5.3.4. Head airbag
- 5.3.5. Side airbag, front
- 5.3.6. Front seat belt tensioner
- 5.3.7. Active head restraints, front
- 5.3.8. Safety battery terminal
- 5.3.9. Airbag indicator light
- 5.3.10. Seat belt warning light
- 5.3.11. Indicator lamp for front passenger airbag deactivation
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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.