Engine Electrical System -- Repair (G22, G23 & G26) (2 Of 2)

• 12 51 Engine Wiring Harness
  • 12 51 210 Replacing the wiring harness section for injectors and ignition coils (430i and 430i xDrive coupe/convertible/Gran Coupe sedan)
    • Remove the wiring harness section for the ignition and injectors
    • Install the wiring harness section for the ignition and injectors
  • 12 51 215 Replace the wiring harness section for the Valvetronic servomotor (430i and 430i xDrive coupe/convertible/Gran Coupe sedan)
    • Remove the wiring harness section for the Valvetronic servomotor
    • Install the wiring harness section for the Valvetronic servomotor
  • 12 51 235 Remove and install/replace Module 1, sensor system engine wiring (430i and 430i xDrive coupe/convertible/Gran Coupe sedan)
    • Removing the engine wiring harness for sensor system 1
    • Installing the engine wiring harness for the sensor system 1
  • 12 51 240 Remove and install/replace Module 2, sensor system engine wiring (430i and 430i xDrive coupe/convertible/Gran Coupe sedan)
    • Removing engine wiring harness for sensor system 2
    • Installing the engine wiring harness for sensor system 2
  • 12 51 245 Remove and install/replace transmission module engine wiring (430i and 430i xDrive coupe/convertible/Gran Coupe sedan)
    • Removing the wiring harness section of the transmission wiring harness
    • Install the wiring harness section of the transmission wiring harness
  • 12 51 210 Replacing the wiring harness section for injectors and ignition coils (M440i and M440i xDrive coupe/convertible/Gran Coupe sedan)
    • Remove the wiring harness section for the ignition and injectors
    • Install the wiring harness section for the ignition and injectors
  • 12 51 235 Remove and install/replace Module 1, sensor system engine wiring (RWD) (M440i coupe and GranCoupe Sedan)
    • Removing the engine wiring harness for sensor system 1
    • Installing the engine wiring harness for sensor system 1
  • 12 51 240 Remove and install/replace Module 2, sensor system engine wiring (RWD) (M440i coupe and GranCoupe Sedan)
    • Removing the engine wiring harness for sensor system 2
    • Installing the engine wiring harness for the sensor system 2
  • 12 51 245 Remove and install/replace transmission module engine wiring (RWD) (M440i coupe and GranCoupe Sedan)
    • Removing the wiring harness section of the transmission wiring harness
    • Install the wiring harness section of the transmission wiring harness
  • 12 51 235 Remove and install/replace Module 1, sensor system engine wiring (AWD) (M440i xDrive coupe/convertible/GranCoupe Sedan)
    • Remove the engine wiring harness for sensor system 1
    • Installing the engine wiring harness for sensor system 1
  • 12 51 240 Remove and install/replace Module 2, sensor system engine wiring (AWD) (M440i xDrive coupe/convertible/GranCoupe Sedan)
    • Removing the engine wiring harness for sensor system 2
    • Installing the engine wiring harness for the sensor system 2
  • 12 51 245 Remove and install/replace transmission module engine wiring (AWD) (M440i xDrive coupe/convertible/GranCoupe Sedan)
    • Removing the wiring harness section of the transmission wiring harness
    • Install the wiring harness section of the transmission wiring harness
  • 12 51 235 Remove and install/replace Module 1, sensor system engine wiring (RWD) (M440i Convertible)
    • Removing the engine wiring harness for sensor system 1
    • Installing the engine wiring harness for sensor system 1
  • 12 51 240 Remove and install/replace Module 2, sensor system engine wiring (RWD) (M440i Convertible)
    • Removing the engine wiring harness for sensor system 2
    • Installing the engine wiring harness for the sensor system 2
  • 12 51 245 Remove and install/replace transmission module engine wiring (RWD) (M440i Convertible)
    • Removing the wiring harness section of the transmission wiring harness
    • Install the wiring harness section of the transmission wiring harness
  • 12 51 560 Replacing the high voltage line (M440i and M440i xDrive coupe/convertible/Gran Coupe sedan)
    • Remove high-voltage cable
    • Install high-voltage cable
  • 12 51 701 Replace low-voltage wiring harness drive unit front (after vehicle diagnosis) (drive unit supported) (M440i and M440i xDrive coupe/convertible/Gran Coupe sedan)
    • Removing low-voltage wiring harness
    • Installing low-voltage wiring harness
  • 12 51 900 Replacing the low-voltage wiring harness of drive unit on the rear (after vehicle diagnosis) (drive unit supported) (M440i and M440i xDrive coupe/convertible/Gran Coupe sedan)
    • Removing low-voltage wiring harness
    • Installing low-voltage wiring harness
    • Executing functional check before re-installation
  • 12 52 540 Replace Y-cable rear (after vehicle diagnosis) (drive unit supported) (M440i and M440i xDrive coupe/convertible/Gran Coupe sedan)
    • Removing the Y-cable
    • Installing the Y-cable
  • 12 52 740 Replace Y-cable front (after vehicle diagnosis) (drive unit supported) (M440i and M440i xDrive coupe/convertible/Gran Coupe sedan)
    • Removing the Y-cable
    • Installing the Y-cable
• 12 61 Oil Pressure Switch, Oil Level Sensor
  • 12 61 280 Removing and installing/replacing oil pressure switch (430i and 430i xDrive coupe/convertible/Gran Coupe sedan)
    • Removing the oil pressure switch
    • Installing the oil pressure switch
  • 12 61 285 Replacing engine oil level sensor (430i and 430i xDrive coupe/convertible/Gran Coupe sedan)
    • Removing the oil-level sensor
    • Installing the oil-level sensor
  • 12 61 280 Removing and installing/replacing oil pressure switch (M440i and M440i xDrive coupe/convertible/Gran Coupe sedan)
    • Removing the oil pressure switch
    • Installing the oil pressure switch
  • 12 61 285 Replacing the engine oil level sensor (RWD) (M440i coupe/convertible/Gran Coupe sedan)
    • Removing the oil-level sensor
    • Prepare the oil-level sensor
    • Installing the oil-level sensor
  • 12 61 285 Replacing engine oil level sensor (AWD) (M440i xDrive coupe/convertible/Gran Coupe sedan)
    • Removing the oil-level sensor
    • Installing the oil-level sensor
  • 12 61 285 Replacing the engine oil level sensor (AWD) (M440i xDrive Convertible)
    • Removing the oil-level sensor
    • Installing the oil-level sensor
• 12 63 Power Distribution Box
  • 12 63 586 Replacing power distribution box (after vehicle diagnosis) (430i and 430i xDrive coupe, convertible, and Gran Coupe sedan)
    • Remove the integrated power supply module (PDM)
    • Install the integrated power supply module (PDM)
  • 12 63 586 Replacing power distribution box (after vehicle diagnosis) (M440i and M440i xDrive coupe/convertible/Gran Coupe sedan)
    • Remove the integrated power supply module (PDM)
    • Install the integrated power supply module (PDM)
• 12 90 ECM Housing
  • 12 90 150 Remove and install/replace control unit box (430i and 430i xDrive coupe/convertible/Gran Coupe sedan)
    • Removing the control unit holder
    • Install control unit bracket
  • 12 90 150 Remove and install/replace control unit box (M440i and M440i xDrive coupe/convertible/Gran Coupe sedan)
    • Removing the control unit holder
    • Install control unit bracket
  • 12 90 700 Replacing the front high-voltage connection (Drive unit removed) (M440i and M440i xDrive GranCoupe Sedan)
    • Removing high-voltage connection
    • Install high-voltage connection
  • 12 90 900 Replacing the rear high-voltage connection (Drive unit removed) (M440i and M440i xDrive GranCoupe Sedan)
    • Removing high-voltage connection
    • Cleaning the sealing surfaces (installation of the removed cover of the EME)
    • Install high-voltage connection