Section 247 (Engine Electrical System -- Repair M4 (G82 & G83))
WARNING: This page is about a different car, the 2025 BMW M4, 2024 BMW M4, 2023 BMW M4, 2022 BMW M4, and 2021 BMW M4. However, it is still accessible from the selected car via links, so may be relevant.
- 12 00 Engine Electrical System
- 12 12 Ignition Wire, Spark Plugs
- 12 13 Ignition Coil
- 12 14 Electronic Switching Or Control Units
- 12 14 521 Replacing the crankshaft sensor (after vehicle diagnosis) (M4 2021-2023)
- 12 14 523 Replacing the camshaft position sensor of the intake camshaft (after vehicle diagnosis) (M4 2021-2023)
- 12 14 524 Replacing the camshaft position sensor of the exhaust camshaft (after vehicle diagnosis) (M4 2021-2023)
- 12 14 550 Replacing the Digital Motor Electronics control unit (after vehicle diagnosis) (M4 2021-2023)
- 12 14 602 Replacing knock sensor (following vehicle diagnosis) (cylinders 1+3) (M4 2021-2023)
- 12 14 604 Replacing knock sensor (following vehicle diagnosis) (cylinders 4+6) (M4 RWD models, 2021-2023)
- 12 14 700 Coding the control unit (DME/DDE) (M4 2021-2023)
- 12 14 705 Programming the control unit (DME/DDE) (M4 2021-2023)
- 12 14 604 Replacing knock sensor (following vehicle diagnosis) (cylinders 4+6) (M4 AWD models, 2021-2023)
- 12 31 Alternator With Drive And Attachment
- 12 41 Starter With Attachment
- 12 42 Starter Line
- 12 42 540 Replacing the safety battery terminal (SBK) (M4 2021-2023)
- 12 42 651 Removing and installing/replacing the positive battery cable remote positive terminal alternator (after vehicle diagnosis) (M4 RWD models, 2021-2023)
- 12 42 652 Removing and installing/replacing the positive battery cable remote positive terminal starter (after vehicle diagnosis) (M4 2021-2023)
- 12 42 651 Removing and installing/replacing the positive battery cable remote positive terminal alternator (after vehicle diagnosis) (M4 AWD models, 2021-2023)
- 12 51 Engine Wiring Harness
- 12 51 210 Replacing the wiring harness section for injectors and ignition coils (M4 2021-2023)
- 12 51 235 Remove and install/replace Module 1, sensor system engine wiring (M4 RWD models, 2021-2023)
- 12 51 240 Remove and install/replace Module 2, sensor system engine wiring (M4 2021-2023)
- 12 51 245 Remove and install/replace transmission module engine wiring (M4 Base Coupe RWD)
- 12 51 245 Remove and install/replace transmission module engine wiring (M4 Competition Coupe RWD, M4 CSL Coupe RWD)
- 12 51 235 Remove and install/replace Module 1, sensor system engine wiring (M4 AWD models, 2021-2023)
- 12 51 245 Remove and install/replace transmission module engine wiring (M4 AWD models, 2021-2023)
- 12 61 Oil Pressure, Oil Temp, Oil Level Check
- 12 63 Switch And Relay
- 12 90 E-Box