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 MANUALSBMW1987L7 (E23) L6-3430CC 3.4L SOHC (M30)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCRANKSHAFT POSITION SENSORSERVICE AND REPAIR
1987 BMW L7 (E23) L6-3430cc 3.4L SOHC (M30)
Crankshaft Position Sensor: Service and Repair
1987 BMW L7 (E23) L6-3430cc 3.4L SOHC (M30)SECTION Service and Repair
1. Release clamp securing sensor to engine, then pull sensor from clamp.
2. Open diagnostic connector cover, lift up retaining clips, then press connector from holder.
3. Release spring clips on TDC transmitter terminals 1, 2 and 3, then remove terminals from connector. Note installation position of each terminal to ensure correct installation.
4. Reverse procedure to install, ensuring sensor is properly seated in holder and that air gap between sensor and contact button on balancer is .008-.080 inch.
RENDER: 1.0x
NO RELATED
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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.