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13 61 550 Removing And Installing/Replacing Control Unit For Direct Injection (N73)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2006 BMW 760i, 2006 BMW 760Li, 2005 BMW 760i, 2005 BMW 760Li, and 2004 BMW 760i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary Preliminary Tasks:

Read fault memory.
Switch off ignition.
Follow instructions for disconnecting and connecting battery. Refer to 12 00 ... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .
Disconnect battery.

Important!
Observe removal and installation of electronic control units. Refer to 12 00 ... INSTRUCTIONS FOR REMOVING AND INSTALLING ELECTRONIC CONTROL UNITS .

Observe following instructions before replacing control unit:

Program control unit. Refer to 12 14 705 PROGRAMMING CONTROL UNIT (DME/DDE) .
Code control unit.

Remove right fresh air duct. Refer to 64 31 056 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT FRESH-AIR DUCT (AUTOMATIC A/C HIGH) .

Release screw and remove holder (1).

Release screws and remove cover (2) from control unit box.

NOTE: Release screws on seal (3) only when removing wiring harness.

Fig 1: Locating Cover In Control Unit Box

G03292178

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Insert tabs (1) in openings (2) and close cover.

Fig 2: Identifying Tabs And Openings In Cover

G03292179

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug connections (6) on HDEV control unit (cylinders 1-6) and disconnect.

Installation:

Cable colors black.

Unlock plug connections (5) on HDEV control unit (cylinders 7-12) and disconnect.

Installation:

Cable colors red.

Fig 3: View Of Plug Connections On HDEV Control Unit

G03292180

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble vehicle.

Check function of DME.