Removing wiring harness section of sensor system 5-8

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 SUCTIONING THE AIR CONDITIONING .
Refer to DEACTIVATING VEHICLE-SPECIFIC HIGH-VOLTAGE OR LOW-VOLTAGE VEHICLE ELECTRICAL SYSTEM .
Refer to REMOVING THE TOP RIGHT AND LEFT 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 ACOUSTIC COVER .
Refer to REMOVING THE INTAKE FILTER HOUSING ON THE LEFT .
Refer to REMOVING THE LEFT UNFILTERED-AIR DUCT .
Refer to REMOVING RIGHT INTAKE SILENCER HOUSING .
Refer to REMOVING THE RIGHT UNFILTERED-AIR DUCT .
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 OIL FILLER NECK .
Refer to REMOVING THE FAN COWL .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
Refer to REMOVING THE WHEEL ARCH COVER AT THE BOTTOM FRONT LEFT AND BOTTOM RIGHT .
Refer to DRAINING THE COOLANT FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
Refer to DRAINING THE HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to REMOVING LEFT CHARGE AIR COOLER .
Refer to REMOVING LEFT THROTTLE VALVE ASSEMBLY .
Refer to FASTENING THE COOLANT LINE BETWEEN THE COOLANT PUMP AND THE HEAT EXCHANGER .
Refer to REMOVING FRONT LEFT WHEEL .
Refer to LOOSENING THE OUTPUT SHAFT FROM THE WHEEL BEARING .
Refer to REMOVING THE COVER OF THE STEERING ASSEMBLY .
Refer to RELEASING THE BRAKE HOSE AND CABLE .
Refer to DETACHING THE UPPER WISHBONE FROM THE SWIVEL BEARING .
Refer to SECURING THE SWIVEL BEARING .
Refer to REMOVING THE SPRING STRUT HOLDER .
Refer to REMOVING THRUST FIELD .
Refer to REMOVING LEFT OUTPUT SHAFT .
Refer to REMOVING THE REAR SECTION OF THE FRONT WHEEL ARCH COVER FRONT .
Refer to RELEASING THE BRACKET OF THE TRANSMISSION OIL COOLING .
Refer to REMOVING STIFFENING STRUT .

Wiring harness section for sensor system of cylinders 5 to -8

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Disconnecting plug connections of DME control unit for cylinders 5 to 8

NOTE: RISK OF DAMAGE
Electrostatic discharge.
Damage to or destruction of electrical components.

Leave the electrical components in their original packaging until they are being installed. Only use the original packaging for returning the product. Always package removed components straight away.
Read and comply with user information on using the associated special tool 127 060.
Only tap the housings of electrical components. Do not tap pins or multi-pin connectors directly.
Wear electrically conductive clothing and antistatic shoes (with ESD symbol).
For additional information see: NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE) .

NOTE: RISK OF DAMAGE
Damage to wires when disconnecting connectors and plug connections.
Sheared wires can cause a short circuit.

Do not pull on wires when disconnecting connectors and plug connections.

NOTE: TECHNICAL INFORMATION
In a warranty case, you must always provide a fault memory printout with the defective part, even if the fault memory does not contain an entry.

NOTE: TECHNICAL INFORMATION
Observe notes for removal and replacement of control units.
For additional information see: INSTRUCTIONS FOR REMOVAL AND REPLACEMENT OF CONTROL UNITS .

NOTE: TECHNICAL INFORMATION
If control units are disconnected, fault memory entries and functional limitations may occur.
The fault memory entries must be read out and deleted if necessary.

NOTE: TECHNICAL INFORMATION
Control unit must be programed after it is replaced.
For additional information see: PROGRAMMING/ENCODING THE CONTROL UNIT(S) INCLUDING DELETION OF FAULT MEMORY (AFTER VEHICLE TEST) .

Unlock the lock of cover (1) in the arrow direction.

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Guide the cover (1) out of the control unit bracket (2) in the arrow direction and remove.

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Unlock and disconnect plug connections (1).

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Unlatch the holder (1).
Remove the intake line (2) out of the holder (1) and guide out below the wires (3).

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Release the screw (1) of the intake line (2).
Set the intake pipe (2) aside.

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Unlock and disconnect the plug (1).

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Unlock plug connection (1) and disconnect.

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Unclip the wiring harness mounting in area (1).
Unlock plug connection (2) and disconnect.

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Unclip wiring harness mounting (1).
Unlock plug connection (2) and disconnect.

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Unlock plug connection (1) and disconnect.

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Unclip wiring harness mounting (1).
Unlock and disconnect the plug connections (2) and (3).

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Unclip the wiring harness mounting in the areas (1).

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Unlock plug connection (1) and disconnect.
Unclip wiring harness mounting (2).

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Unlock plug connection (1) and disconnect.

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Unlock plug connection (1) and disconnect.
Unclip the wiring harness section of sensor system 5-8 from the holder in area (2).

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Unclip wiring harness mounting (2).
Unlock plug connection (1) and disconnect.

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Unclip wiring harness mountings (1).
Unclip the plug connection (2) in the arrow direction from the wiring harness section of sensor system 5-8.
Unlock plug connection (2) and disconnect.
Unclip the wiring harness integrated power supply module (PDM) in the area (4) at the lug in the arrow direction.
Loosen screws (3).

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Unlock plug connection (1) and disconnect.

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Unclip the cable harnesses in area (1).
Unlock holder (2) on the lug (3) in arrow direction.
Feed out the wiring harness section of sensor system 5-8 with the holder (2) in an upward direction.

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Loosen screw (1).
Set the grounding point (2) aside.

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Unclip wiring harness mounting (1).

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Removing cover for the right DME control unit

Feed the cover panel (1) out to the top and remove.

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Unclip the connector (1) in the arrow direction.
Unlock plug connection (1) and disconnect.
Unclip the wiring harness section of sensor system 5-8 from the holder in area (2).
Thread out the wiring harness section of sensor system 5-8 and remove.

Courtesy of BMW OF NORTH AMERICA, INC.