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.
2016 BMW M3 Standard TransFACTORY OEM SERVICE PROCEDURE
Engine Electrical System - Repair (F80)
- General And Safety Information
- 12 12 Spark Plugs
- 12 13 Ignition Coils
- 12 14 Engine Control Module And Sensors
- 12 14 521 Replacing crankshaft pulse sensor (S55)
- 12 14 523 Replacing pulse sensor on intake camshaft (S55)
- 12 14 524 Replacing pulse sensor on exhaust camshaft (S55)
- 12 12 14 550 Replacing control unit (DME) (S55)
- 12 14 600 Removing/replacing knock sensors (S55)
- 12 14 650 Replace pressure sensor on charge air cooler (S55)
- 12 14 651 Replacing pressure sensor on intake plenum (S55)
- 12 14 700 Coding the control unit (DME/DDE)
- 12 14 705 Programming the control unit (DME/DDE)
- 12 31 Alternator
- 12 41 Starter Motor
- 12 42 Starter Cables
- 12 51 Engine Wiring Harness
- 12 51 001 Removing and installing/replacing wiring harness section for engine sensor system module 1 (S55)
- 12 51 001 Removing and installing/replacing wiring harness section for the transmission module (S55)
- 12 51 210 Replacing wiring loom section for ignition and injectors (S55)
- 12 51 215 Replacing wiring harness section for Valvetronic servomotor (S55)
- 12 51 240 Removing and installing/replacing wiring harness section for engine sensor system module 2 (S55)
- 12 61 Oil Pressure Switch, Oil Level Sensor
Factory Service Tools
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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.
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