Removing the wiring harness for the sensor system of cylinder bank 1
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2023 BMW M5, 2022 BMW M5, 2021 BMW M5, 2020 BMW M5, and 2019 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
TECHNICAL INFORMATION
Driving without the strut brace/front-end strut or tension strut is not permitted.
Driving without the strut brace/front-end strut or tension strut is not permitted.
Preliminary work
- Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
- Refer to REMOVING THE COVER PANEL OF THE MASTER DME CONTROL UNIT .
- Refer to REMOVING THE COVER PANEL OF THE SLAVE DME CONTROL DEVICE .
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING THE CONTROL UNIT BRACKET FOR CYLINDERS 1 TO 4 .
- Refer to REMOVING MOUNTING FOR DME MASTER CONTROL MODULE SUPPORT .
- Refer to REMOVING THE COVER IN THE ENGINE COMPARTMENT ON THE LEFT .
- Refer to REMOVING THE COVER IN THE ENGINE COMPARTMENT ON THE RIGHT .
- Refer to RELEASING LEFT FRONT-END STRUT .
- Refer to RELEASING THE RIGHT FRONT-END STRUT .
- Refer to REMOVING FRONT CROSS CONNECTION .
- Refer to REMOVING LEFT INTAKE SILENCER HOUSING .
- Refer to REMOVING RIGHT INTAKE SILENCER HOUSING .
- Refer to REMOVING THE REAR TOP CROSS CONNECTION .
- Refer to REMOVING THE FRONT LEFT WHEEL .
- Refer to REMOVING THE COVER OF THE STEERING ASSEMBLY ON THE RIGHT .
- Refer to REMOVING FAN COWL WITH ELECTRIC MOTOR .
- Refer to REMOVING THE STIFFENING PLATE .
- Refer to DETACHING THE WIRING HARNESS OF THE EPS FROM THE FRONT AXLE SUPPORT .
- Refer to LOOSENING THE ANTI-ROLL BAR LINK ON THE LEFT AND RIGHT FROM THE ANTI-ROLL BAR .
- Refer to RELEASING THE ANTI-ROLL BAR FROM THE FRONT AXLE SUPPORT .
- Refer to REMOVING THE WHEEL ARCH COVER ON THE FRONT LEFT AND BOTTOM RIGHT .
- Refer to DRAINING THE COOLANT FROM THE COOLANT PUMPS .
- Refer to REMOVING OIL FILLER NECK .
- Refer to REMOVING RIGHT CHARGE AIR COOLER .
- Refer to REMOVING THE RIGHT THROTTLE BODY .
Wiring harness section for sensor system of cylinder bank 1
- Unlock and disconnect plug connections (1).
- Loosen the cable clip (2).
- Release wiring harness section (1) from holder (2).
- Unlock plug connection (1) and disconnect.
- Unlock snap-in lug (3) with a commercially available screwdriver (2), and push upwards out of guide.
- Pull plug connection (4) downward.
- Unlock plug connection (4) and disconnect.
- Loosen screws (1).
- Remove the heat shield (2) downwards.
- Unlock and disconnect the plug connection (1) of the crankshaft sensor.
- Unlock and disconnect the plug connection (1) of the throttle valve of cylinder bank 1.
- Unlock and disconnect plug connections (1).
- Loosen screws (2).
- Release plug connection (3) from the wiring harness mounting.
- Unlock plug connection (3) and disconnect.
- Unlock and disconnect the plug connection (1) on the pressure sensor for intake air pressure.
- Unlock and disconnect the plug connection (2) on the Valvetronic servomotor.
- Release the wiring harness mounting (3).
- Unlock the plug connection (1) on the exhaust camshaft sensor of cylinder bank 1 and detach.
- Unlock the plug connection (2) on the intake camshaft sensor of cylinder bank 1 and detach.
- Release the wiring harness section for the Digital Motor Electronics (DME) (3).
- Release wiring harness for the sensor system of cylinder bank 2 (4).
- Loosen screw (5).
- Loosen nut (7).
- Place cable heads to one side.
- Loosen screw (6).
- Guide the alternator cable (8) out of the holder.
- Loosen screws (1).
- Detach the coolant ventilation line in the area (2) and set aside.
- Unlock the plug connection (3) of the Lambda oxygen sensor of cylinder bank 1 and disconnect.
- Unlock the plug connection (4) of the oxygen sensor monitor of cylinder bank 1 and disconnect.
- Unlock the plug connection (1) on the rail pressure sensor and disconnect.
- Release the wiring harness mountings (2).
- Unlock the plug connection (3) of the high pressure pump of cylinder bank 1 and disconnect.
- Release wiring harness for the sensor system of cylinder bank 1 from the wiring harness mounting (4).
- Unlock the plug connection (1) on the exhaust turbocharger and disconnect.
- Unlock the plug connection (2) on the alternator and disconnect.
- Unlock the plug connection (1) on the electronic coolant pump of the low-temperature coolant circuit and disconnect.
- Release the wiring harness mounting (2).
- Unlock the plug connection (1) on the VANOS solenoid actuator of the intake camshaft of cylinder bank 1 and disconnect.
- Unlock the plug connection (2) on the VANOS solenoid actuator of the exhaust camshaft of cylinder bank 1 and disconnect.
- Unlock the plug connection (3) of the tank vent line of cylinder bank 1 and disconnect.
- Unlock the plug connection (4) on the differential pressure sensor and disconnect.
- Unlock and disconnect the plug connection (5) on the temperature sensor.
- Unlock the plug connection (6) on the thermostat housing and disconnect.
- Unlock the plug connection (7) on the electronic coolant pump of the exhaust turbocharger and disconnect.
- Release the wiring harness mounting (8).
- Guide out the wiring harness for the sensor system of the cylinder bank 1 and remove it.