Installing the exchange transfer box

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WARNING: Hot exhaust system .
Risk of burning!

Any work must exclusively be carried out with an exhaust system that has cooled down.

Preliminary work

Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
Refer to REMOVING THE REAR DIFFUSER .
Refer to REMOVING THE UNDERSHIELD ON THE LEFT FUEL TANK .
Refer to REMOVING UNDERSHIELD ON THE FUEL TANK ON THE RIGHT .
Refer to REMOVING REINFORCEMENT STRUT .
Refer to REMOVING REAR TUNNEL CONNECTING SUPPORT .
Refer to REMOVING EXHAUST SYSTEM .
Refer to REMOVING THE HEAT SHIELDS .
Refer to REMOVING TRANSMISSION CROSS-MEMBER .
Refer to PARTIALLY LOOSENING THE PROP SHAFT .
Refer to REMOVING THE TRANSFER BOX (ATC 13-1) .

CAUTION: Materials harmful to health .
Contact with fluids harmful to health!

Note and follow safety instructions on containers.
Conduct all work in appropriate personal protective equipment only.

NOTE: RISK OF DAMAGE
Damage to the transmission .
Damage to the transmission due to unapproved transmission oil .

Use only the approved transmission oil.
Check the transmission oil level after completing the repair.

NOTE: TECHNICAL INFORMATION
Replacement transmissions come filled with oil

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

NOTE: TECHNICAL INFORMATION
Vehicle programming/coding must be performed after installation.
For additional information see: 61 00... PROGRAMMING/CODING CONTROL UNIT(S) .

Remount covers and protective caps.
Remove the transportation retainer of the drive shaft.

Remount the vent hose from the transfer box.
Make note of transmission identification (see BMW Group parts sales and nameplate).

Encode/program control unit(s)

Precondition

The control unit was replaced.

NOTE: TECHNICAL INFORMATION
Use the most recent software version to prevent faults during programming/coding.
The battery voltage must not fall below 13.0 V during programming.
Use only chargers for a low volt-vehicle electrical system that are recommended by BMW.

NOTE: TECHNICAL INFORMATION
No high-voltage switch off is required in electric vehicles or hybrid vehicles for programming/coding.
The high-voltage system will be automatically switched off by the programming system.
Exception:
BMW I01: Note Product and Measures Management Aftersales measure 55176388.

Connect the battery charger to the vehicle.
Connect the programming system with the vehicle.
Determine the action plan.
Accept and fully process the action plan.
Depending on the reworking list, connect the workshop system to the vehicle if necessary.
Carry out vehicle test.
Delete the fault memory.
Note the information on programming in the workshop system and the relevant information in the user documentation.
Wait until programming/coding has been completed.
Disconnect the programming system from the vehicle.
Disconnect the battery charger from the vehicle.

Follow-up work

Refer to INSTALLING THE TRANSFER BOX (ATC 13-1) .
Refer to INSTALLING THE RUBBER MOUNT FOR THE TRANSMISSION BEARING (ALL-WHEEL DRIVE) .
Refer to FASTENING THE PROP SHAFT (PARTIALLY REMOVED) .
Refer to INSTALLING TRANSMISSION CROSS MEMBER .
Refer to CONNECTING BATTERY GROUND LEAD .
Refer to CHECKING/TOPPING UP THE TRANSFER BOX OIL (ACTIVE TORQUE CONTROL 13-1) .
Refer to INSTALLING THE HEAT SHIELDS .
Refer to INSTALLING EXHAUST SYSTEM .
Refer to INSTALLING THE REAR TUNNEL CONNECTING SUPPORT .
Refer to INSTALLING THE REINFORCEMENT STRUT .
Refer to INSTALLING UNDERSHIELD ON THE FUEL TANK ON THE RIGHT .
Refer to INSTALLING THE UNDERSHIELD ON THE LEFT FUEL TANK .
Refer to INSTALLING THE REAR DIFFUSER .