Removing the engine wiring harness for sensor system 1

WARNING: Hot surfaces.
Risk of burning!

Perform all work only on components that have cooled down.

WARNING: Working on 12 V electrical system.
Risk of short circuits! Risk of fire!

Make sure that there is no charger connected to the jump start terminal in the engine compartment.
Detach battery ground lead from battery.
For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.

NOTE: RISK OF DAMAGE
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS).
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults.

Detach battery terminal from battery pole by carefully shifting to and fro. Do not pry off using a tool.

Preliminary work

Refer to REMOVING THE SEAL FOR THE HOOD REAR .
Refer to REMOVING THE ENGINE COMPARTMENT COVER PANEL IN THE REAR LEFT AND RIGHT .
Refer to DEACTIVATING VEHICLE-SPECIFIC HIGH-VOLTAGE OR LOW-VOLTAGE VEHICLE ELECTRICAL SYSTEM .
Refer to REMOVING LEFT AND RIGHT WIPER ARM .
Refer to REMOVING THE COWL COVER .
Refer to REMOVING TRAILING LINK AT SPRING BOLT .
Refer to REMOVING THE FIREWALL UPPER PART .
Refer to REMOVING THE SECOND FIREWALL AT THE BOTTOM .
Refer to REMOVING MOUNT OF HOOD SEAL ON THE LEFT AND RIGHT .
Refer to REMOVING SUSPENSION STRUT BRACE .
Refer to REMOVING INTAKE SILENCER HOUSING .
Refer to REMOVING THE TOP RIGHT AND LEFT COVER IN THE ENGINE COMPARTMENT .
Refer to REMOVING FRONT CROSS CONNECTION .
Refer to REMOVING THE LEFT AND RIGHT FRONT-END STRUT .
Refer to REMOVING THE REAR TOP CROSS CONNECTION .
Refer to REMOVING THE LEFT-HAND AIR DUCT .
Refer to REMOVING THE COVER PANEL OF THE DME CONTROL UNIT .
Refer to REMOVING THE DME CONTROL UNIT .
Refer to REMOVING THE INTEGRATED POWER SUPPLY MODULE (PDM) .
Refer to REMOVING CONTROL UNIT BRACKET .
Refer to REMOVING THE FRONT LEFT AND RIGHT WHEELS .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
Refer to REMOVING THE CENTER UNDERBODY PROTECTION .
Refer to REMOVING THE FRONT RIGHT LOWER WHEEL ARCH COVER .
Refer to PARTIALLY REMOVING THE LEFT AND FRONT RIGHT WHEEL ARCH TRIM .
Refer to REMOVING THE FRONT SECTION OF THE FRONT WHEEL ARCH COVER ON THE LEFT AND RIGHT .
Refer to REMOVING THE COVER OF THE STEERING ASSEMBLY ON THE RIGHT .
Refer to DRAINING THE COOLANT FROM THE LOW-TEMPERATURE COOLING SYSTEM .
Refer to REMOVING THE FAN COWL .
Refer to DRAINING THE COOLANT FOR THE HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to REMOVING CHARGE AIR COOLER .
Refer to REMOVING TANK VENT VALVE .

Engine wiring harness for sensor system 1

Courtesy of BMW OF NORTH AMERICA, INC.

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 12 7 060.
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 (ELECTROSTATIC DISCHARGE) PROTECTION .

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.

Unlock and disconnect plug connections (1) .

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and disconnect plug connections (1) .
Release the clamps (arrows).

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect the plug connections (1) and (2) .
Loosen the clamp (arrow).

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screws (1) .
Unlock the lock (arrow).
Remove the wiring harness section (2) and put to one side.

Courtesy of BMW OF NORTH AMERICA, INC.

Loosen screws (1) .
Feed out the engine wiring harness (2) for the sensor system 1 and set it aside.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect plug connections (1) .
Release the clamps (arrows).

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen clamp (1) .

Courtesy of BMW OF NORTH AMERICA, INC.

Feed out the charge air line (1) in the arrow direction and set it to the side.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock plug connections (1) and disconnect.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock plug connection (1) and disconnect.
Loosen the clamp (arrow).

Courtesy of BMW OF NORTH AMERICA, INC.

Release the clamps (1) .
Feed out the engine wiring harness (2) for the sensor system 1 and set it aside.

Courtesy of BMW OF NORTH AMERICA, INC.
Feed out and remove the engine wiring harness (1) for the sensor system 1.

Courtesy of BMW OF NORTH AMERICA, INC.