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 MANUALSBMW2011535I AUTOMATICREPAIR AND DIAGNOSISRESTRAINTSRESTRAINTS CONTROL SYSTEMSPASSIVE SAFETY SYSTEMS - OVERVIEWFUNCTIONS4.2. CRASH-RELEVANT FUNCTIONSNOTES
2011 BMW 535i Automatic
4.2. Crash-relevant functions: Notes
2011 BMW 535i AutomaticSECTION Notes
The Crash Safety Module must fulfill the following crash-relevant functions:
- Evaluating the sensor signals
- Detecting crashes
- Determining the triggering time and the triggering sequence
- Triggering the output stages of the firing circuits
- Sending the crash message to all bus users
- Crash documentation
- Emergency call function
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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.