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.
5.2. Sensors and switches: Notes
2011 BMW 528iSECTION Notes
The following sensors and switches are installed:
- Central sensor for longitudinal and lateral acceleration
- Sensor for transverse and longitudinal acceleration at the B-pillars
- One airbag sensor in each of the front doors (pressure).
- One longitudinal acceleration sensor on each of the engine supports
- CIS mat
- Seat belt buckle switch
- Emergency call button
RENDER: 1.0x
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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.