Engine Electrical System -- Tightening Torques M4 (G82 & G83)
- 12 12 Spark Plugs (M4 2021-2023)
- 12 13 Ignition Coil (M4 2021-2023)
- 12 14 Camshaft Position Sensor, Crankshaft Position Sensor, Knock Sensor (M4 2021-2023)
- 12 31 Alternator (M4 2021-2023)
- 12 32 Controller (M4 2021-2023)
- 12 41 Starter Motor (M4 2021-2023)
- 12 42 STARTER LINE (M4 Coupe)
- 12 42 BATTERY POSITIVE CABLE (M4 Convertible)
- 12 51 Engine Wiring Harness (M4 2021-2023)
- 12 52 PLUG CONNECTIONS, TERMINALS, LOOSE PARTS (M4 Coupe)
- 12 52 PLUG CONNECTIONS, TERMINALS, LOOSE PARTS (M4 Convertible)
- 12 61 Oil Pressure Switch, Oil Level Sensor (M4 2021-2023)
- 12 90 Engine Control Module (M4 2021-2023)