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 SENSORDESCRIPTION AND OPERATIONENGINE SPEED/CYLINDER REFERENCE SENSOR I.D.
1987 BMW L7 (E23) L6-3430cc 3.4L SOHC (M30)
Engine Speed/Cylinder Reference Sensor I.D.
1987 BMW L7 (E23) L6-3430cc 3.4L SOHC (M30)SECTION Engine Speed/Cylinder Reference Sensor I.D.
For 86 and 87 cars, two different types of speed/reference sensors were available:
1. Two sensors in the bellhousing , or
2. One combined sensor at the vibration damper
Inspect the vehicle to determine which system is used, and test accordingly. Each car will have one type of sensor or the other (not both).
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.