12 14 CAMSHAFT POSITION SENSOR, CRANKSHAFT SENSOR, KNOCK SENSOR (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)

2023 BMW M3 CompetitionSECTION 12 14 CAMSHAFT POSITION SENSOR, CRANKSHAFT SENSOR, KNOCK SENSOR (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
1214 TIGHTENING TORQUE OVERVIEW

Camshaft position sensor to cylinder head cover 
TS5x20 Tightening torque  4 Nm
Crankshaft sensor to crankcase 
TS5x20 tightening torque  6 Nm
Knock sensor to crankcase 
M8x30 Tightening torque  21.5 Nm
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.