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 MANUALSBMW1992535I AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEELECTROCHROMIC MIRRORSTESTINGMIRROR FUNCTION
1992 BMW 535i Automatic
Mirror Function
1992 BMW 535i AutomaticSECTION Mirror Function
- The vehicle ignition switch must be in ON/RUN position. The OFF/MIN/MAX sensitivity switch on mirror must be in MAX position.
- Test operation of ECTM Mirror by simulating glare as follows:
- In full daylight conditions, cover forward facing sensor (located on right side of mirror back) with a dark cloth or piece of opaque material. Hold dark cloth over sensor until you notice mirror start to darken.
- Remove cloth and mirror should return to clear state.NOTE: In low ambient light of a large workshop mirror may not return to full clear
- Repeat operation test several times to make sure mirror operates correctly.
- With mirror in dark, non-reflective stage, place gear selector into Reverse gear. The mirror should return to clear stage.
- Repeat previous step to make sure Reverse gear override operates correctly.
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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.