Removing the wiring harness for the sensor system of cylinder bank 1

WARNING: Hot surfaces.
Risk of burning!

Perform all work only on components that have cooled down.

NOTE: RISK OF DAMAGE
Careless handling of tools and sharp-edged components.
Scratches, surface damage.

Protect working area.
Handle tools and components carefully.

Preliminary work

Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
Refer to REMOVING THE TOP LEFT COVER IN THE ENGINE COMPARTMENT and REMOVE THE TOP RIGHT COVER IN THE ENGINE COMPARTMENT .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING UPPER CROSS CONNECTION .
Refer to REMOVING THE FRONT-END STRUT .
Refer to REMOVING THE REAR TOP CROSS CONNECTION .
Refer to REMOVING THE INTAKE FILTER HOUSING ON THE LEFT .
Refer to PARTIAL UNINSTALLATION OF THE ENGINE VENTILATION LINE OF CYLINDER BANK 2 .
Refer to REMOVING THE CLEAN AIR PIPE OF CYLINDER BANK 2 .
Refer to REMOVING THE LEFT UNFILTERED-AIR DUCT .
Refer to REMOVING RIGHT INTAKE SILENCER HOUSING .
Refer to PARTIAL UNINSTALLATION OF THE ENGINE VENTILATION LINE OF CYLINDER BANK 1 .
Refer to REMOVING THE CLEAN AIR PIPE OF CYLINDER BANK 1 .
Refer to REMOVING THE RIGHT INTAKE SILENCER BRACKET .
Refer to REMOVING OIL FILLER NECK .
Refer to REMOVING THE RIGHT UNFILTERED-AIR DUCT .
Refer to REMOVING THE FAN COWL .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
Refer to REMOVING THE FRONT RIGHT WHEEL ARCH COVER FRONT SECTION .
Refer to REMOVING THE WHEEL ARCH COVER AT THE BOTTOM FRONT LEFT AND BOTTOM RIGHT .
Refer to REMOVING THE COVER FOR THE STEERING ASSEMBLY ON THE RIGHT .
Refer to REMOVING THRUST FIELD .
Refer to REMOVING THE AIR DUCT .
Refer to REMOVING THE RIGHT RETAINING PLATE .
Refer to DRAINING THE COOLANT FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
Refer to REMOVING RIGHT CHARGE AIR COOLER .
Refer to REMOVING THE RIGHT THROTTLE BODY .
Refer to REMOVING COVER FOR THE RIGHT DME CONTROL UNIT .
Refer to REMOVING THE HOLDER FOR THE RIGHT-HAND DME CONTROL UNIT .

Wiring harness section for sensor system of cylinder bank 1

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Unlock and disconnect plug connections (1).
Loosen the cable clip (2).

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Release wiring harness section (1) from holder (2).

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Release the wiring harness mounting (1).

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Unlock the snap-in lug (2) with a standard screwdriver (1), and slide it upwards out of the guide.
Pull down plug connection (3).
Unlock plug connection (3) and disconnect.

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screws (1).
Remove the heat shield (2) downwards.

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Unlock and disconnect the plug connection (1) of the crankshaft sensor.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect plug connections (1).
Loosen screws (2).
Release plug connection (3) from the wiring harness mounting.
Unlock plug connection (3) and disconnect.

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Unclip wiring harness mounting (2).
Release nut (1).
Remove the grounding points.

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Loosen screw (1).
Loosen screw (2).

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Release the wiring harness section of integrated power supply module at the snap-in lug (1).

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Unlock plug connection (2) and disconnect.
Release the wiring harness mounting (1).
Release the wiring harness mounting in area (5).
Unlock plug connection (4) and disconnect.
Unlock plug connection (3) and disconnect.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock plug connection (1) and disconnect.
Release the wiring harness mounting (3).
Release the cable (2) from the clamp (4).

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Release the wiring harness mounting (1).

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Unlock the plug connection (1) on the electronic coolant pump of the low-temperature coolant circuit and disconnect.
Release the wiring harness mounting (2).

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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.

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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.