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 MANUALSBMW2008M5 (E60) V10-5.0L (S85)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCRANKSHAFT POSITION SENSORSERVICE AND REPAIRREPLACING CRANKSHAFT PULSE GENERATOR
2008 BMW M5 (E60) V10-5.0L (S85)
Replacing Crankshaft Pulse Generator
2008 BMW M5 (E60) V10-5.0L (S85)SECTION Replacing Crankshaft Pulse Generator
12 14 521 - Replacing crankshaft pulse generator (S85)
Necessary preliminary tasks:
- Read out fault memory of DME control unit; if necessary, work through test schedules
- Switch off ignition
- If necessary, remove underbody protection.
Installation location:
On transmission housing at bottom right.
Unlock plug (1) and remove.
Release screw.
Tightening torque 12 14 1AZ 12 14 Electronic Shift Units or Control Units.
Withdraw pulse generator (2) from transmission housing.
Installation:
Replace sealing ring.
Replace screw.
Installation:
Now clear the fault memory.
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.