Engine Electrical System -- Repair Cooper (F55 & F56)

• 12 00 Engine Electrical System, General Information
  • Instructions for removal and replacement of control units (Cooper 4-door hatchback, Cooper 2-door hatchback, 2020-2023)
  • Notes on starting assistance (Cooper 4-door hatchback, Cooper 2-door hatchback, 2020-2023)
• 12 12 Spark Plugs
  • 12 12 011 Removing and installing/replacing all spark plugs (Cooper 4-door hatchback, Cooper 2-door hatchback, 2020-2023)
    • Removing all spark plugs
    • Installing all spark plugs
• 12 13 Ignition Coil
  • 12 13 511 Replacing an ignition coil (after vehicle diagnosis) (Cooper 4-door hatchback, Cooper 2-door hatchback, 2020-2023)
    • Remove ignition coils
    • Installing the ignition coils
  • 12 13 512 Replacing more than one ignition coil (after vehicle diagnosis) (Cooper 4-door hatchback, Cooper 2-door hatchback, 2020-2023)
    • Remove ignition coils
    • Installing the ignition coils
• 12 14 Engine Control Module (DME), Crankshaft Position Sensor, Camshaft Position Sensors, Knock Sensor
  • 12 14 521 Replacing the crankshaft sensor (after vehicle diagnosis) (Cooper 4-door hatchback, Cooper 2-door hatchback, 2020-2023)
    • Removing the crankshaft sensor
    • Installing the crankshaft sensor
  • 12 14 523 Replace intake camshaft sensor (after vehicle diagnosis) (Cooper base 4-door hatchback, Cooper base 2-door hatchback)
    • Remove intake camshaft sensor
    • Installing intake camshaft sensor
  • 12 14 524 Replace exhaust camshaft sensor (after vehicle diagnosis) (Cooper base 4-door hatchback, Cooper base 2-door hatchback)
    • Removing exhaust camshaft sensor
    • Install exhaust camshaft sensor
  • 12 14 550 Replacing the engine control module (DME) (after vehicle diagnosis) (Cooper 4-door hatchback, Cooper 2-door hatchback, 2020-2023)
    • Removing the DME control unit
    • Installing the DME control unit
  • 12 14 600 Replacing knock sensor(s) (after vehicle diagnosis) (Cooper base 4-door hatchback, Cooper base 2-door hatchback)
    • Removing knock sensor
    • Install knock sensor
  • 12 14 705 Programming the control unit (DME/DDE) (Cooper 4-door hatchback, Cooper 2-door hatchback, 2020-2023)
  • 12 14 523 Replace intake camshaft sensor (after vehicle diagnosis) (Cooper S 4-door hatchback, Cooper S 2-door hatchback, Cooper JCW 2-door hatchback, Cooper JCW GP 2-door hatchback)
    • Removing intake camshaft sensor
    • Installing intake camshaft sensor
  • 12 14 524 Replace exhaust camshaft sensor (after vehicle diagnosis) (Cooper S 4-door hatchback, Cooper S 2-door hatchback, Cooper JCW 2-door hatchback, Cooper JCW GP 2-door hatchback)
    • Remove exhaust camshaft sensor
    • Install exhaust camshaft sensor
  • 12 14 602 Replacing knock sensor (after vehicle diagnosis) (cylinders 1-2) (Cooper S 4-door hatchback, Cooper S 2-door hatchback, Cooper JCW 2-door hatchback, Cooper JCW GP 2-door hatchback)
    • Removing the knock sensor of cylinders 1 to 2
    • Installing the knock sensor at cylinders 1 to 2
  • 12 14 604 Replacing knock sensor (after vehicle diagnosis) (cylinder 3-4) (Cooper S 4-door hatchback, Cooper S 2-door hatchback, Cooper JCW 2-door hatchback, Cooper JCW GP 2-door hatchback)
    • Removing the knock sensor of cylinders 3 to 4
    • Installing the knock sensor at cylinders 3 to 4
  • 12 14 751 Replacing electric motor control unit (EDME) (after vehicle diagnosis) (Cooper SE Electric 2-door hatchback)
    • Removing the EDME control unit
    • Installing the EDME control unit
• 12 31 Alternator
  • 12 31 020 Removing and installing/replacing alternator (Cooper base 4-door hatchback, Cooper base 2-door hatchback)
    • Removing the alternator
    • Replacement: Remounting the belt tensioner
    • Installing the alternator
  • 12 31 020 Removing and installing/replacing alternator (Cooper S 4-door hatchback, Cooper S 2-door hatchback, Cooper JCW 2-door hatchback, Cooper JCW GP 2-door hatchback)
    • Removing the alternator
    • Replacement: Remounting the belt tensioner
    • Installing the alternator
• 12 35 Electric Motor
  • 12 35 000 Removing and installing complete electric motor drive unit (Cooper SE Electric 2-door hatchback)
    • Prepare the mobile table lift
    • Positioning the special tools on the table lift
    • Removing the drive unit with the assembly frame
    • Positioning the drive unit on the mobile lifting table
    • Installing the drive unit with the assembly frame
  • 12 35 506 Replacing electric motor (after vehicle diagnosis) (Cooper SE Electric 2-door hatchback)
    • Removing the sound insulation from the electrical machine
    • Removing the coolant hoses from the electrical machine
    • Remove electrical machine
    • Install the electrical machine
    • Installing the coolant hoses on the electrical machine
    • Installing the sound insulation on the electrical machine
• 12 36 Electric Vehicle Drive Unit Control System
  • Non-woven abrasives (Cooper SE Electric 2-door hatchback)
  • 12 36 503 Removing and installing connection housing (Drive unit removed) (Cooper SE Electric 2-door hatchback)
    • Removing the connection housing
    • Installing the connection housing
  • 12 36 611 Replace electrical machine electronics (after vehicle diagnosis) (drive unit removed) (Cooper SE Electric 2-door hatchback)
    • Remove EME
    • Removing both the holders on the EME
    • Removing the sound insulation of the EME
    • Putting down the EME
    • Installing the sound insulation of the EME
    • Installing both the holders on the EME
    • Installing EME
• 12 41 Starter Motor
  • 12 41 020 Removing and installing/replacing starter motor (Cooper 4-door hatchback, Cooper 2-door hatchback, 2020-2023)
    • Removing starter motor
    • Installing starter motor
  • 12 41 041 Replacing the engagement solenoid switch (Cooper 4-door hatchback, Cooper 2-door hatchback, 2020-2023)
• 12 42 Starter Motor Positive Battery Cable
  • 12 42 500 Removing and installing/replacing the positive battery cable (after vehicle diagnosis) (Cooper S 4-door hatchback, Cooper S 2-door hatchback, Cooper JCW 2-door hatchback, Cooper JCW GP 2-door hatchback)
    • Removing positive battery cable from vehicle battery for starter motor
    • Install the positive battery cable from the battery to the starter motor
• 12 51 Engine Wiring Harness
  • 12 51 210 Replacing the wiring harness section for injectors and ignition coils (Cooper base 4-door hatchback, Cooper base 2-door hatchback)
    • Removing wiring harness section for injectors and ignition coils
    • Install the wiring harness section for the injectors and ignition coils
  • 12 51 215 Replace wiring harness section for Valvetronic servomotor (Cooper base 4-door hatchback, Cooper base 2-door hatchback)
    • 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 harness (Cooper base 4-door hatchback, Cooper base 2-door hatchback)
    • 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 harness (Cooper base 4-door hatchback, Cooper base 2-door hatchback)
    • Removing engine wiring harness for sensor system 2
    • Installing the engine wiring harness for sensor system 2
  • 12 51 210 Replacing the wiring harness section for injectors and ignition coils (Cooper S 4-door hatchback, Cooper S 2-door hatchback, Cooper JCW 2-door hatchback, Cooper JCW GP 2-door hatchback)
    • Removing wiring harness section for injectors and ignition coils
    • Install the wiring harness section for the injectors and ignition coils
  • 12 51 215 Replace wiring harness section for Valvetronic servomotor (Cooper S 4-door hatchback, Cooper S 2-door hatchback, Cooper JCW 2-door hatchback, Cooper JCW GP 2-door hatchback)
    • 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 harness (Cooper S 4-door hatchback, Cooper S 2-door hatchback, Cooper JCW 2-door hatchback, Cooper JCW GP 2-door hatchback)
    • 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 harness (Cooper S 4-door hatchback, Cooper S 2-door hatchback, Cooper JCW 2-door hatchback, Cooper JCW GP 2-door hatchback)
    • Removing engine wiring harness for sensor system 2
    • Installing the engine wiring harness for sensor system 2
• 12 61 Oil Pressure Switch, Oil Level Sensor
  • 12 61 280 Removing and installing/replacing oil pressure switch (Cooper 4-door hatchback, Cooper 2-door hatchback, 2020-2023)
    • Removing the oil pressure switch
    • Installing the oil pressure switch
  • 12 61 285 Replacing engine oil level sensor (Cooper 4-door hatchback, Cooper 2-door hatchback, 2020-2023)
    • Remove oil level sensor for engine oil
    • Installing the oil-level sensor for engine oil
• 12 63 Power Distribution Box
  • 12 63 586 Replacing power distribution box (after vehicle diagnosis) (Cooper 4-door hatchback, Cooper 2-door hatchback, 2020-2023)
    • Remove the integrated power supply module (PDM)
    • Install the integrated power supply module (PDM)
• 12 90 Engine Control Module Housing
  • 12 90 120 Removing and installing/replacing control unit bracket (Cooper 4-door hatchback, Cooper 2-door hatchback, 2020-2023)
    • Remove E-box
    • Replacement: Remount DME control unit and the integrated supply module (PDM)
    • Install E-box