12 14 550 Replacing control unit (Digital Motor Electronics) (M62, M54)

WARNING: This page is about a different car, the 2003 BMW X5, 2002 BMW X5, and 2001 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Connect DIS Tester or MoDiC.

CAUTION: Follow instructions for removing and installing electronic control units. Refer to 12 00 ... INSTRUCTIONS FOR REMOVING AND INSTALLING ELECTRONIC CONTROL UNITS .

Read fault memory.

Switch off ignition.

Detach sealing strips (1).

Fig 1: Detaching Sealing Strips

G03230452

Courtesy of BMW OF NORTH AMERICA, INC.

Turn tommy bar through approx. 90°.

Remove cover.

Fig 2: Removing Cover

G03230453

Courtesy of BMW OF NORTH AMERICA, INC.

Release lock (1).

Remove air funnel (2) towards top.

Fig 3: Removing Air Funnel

G03230454

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws.

Remove cover (1) on control unit box.

Fig 4: Removing Control Unit Box Cover

G03230455

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Insert fixtures (1) of cover for control unit box in openings (2).

Fig 5: Inserting Fixtures Of Cover For Control Unit Box In Openings

G03230456

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connections (1).

Unlock DME control unit (2) and remove.

For subsequent procedure, follow instructions of DIS Tester.

Fig 6: Removing DME Control Unit

G03230457

Courtesy of BMW OF NORTH AMERICA, INC.

Code control unit. Refer to 12 14 700 CODING CONTROL MODULE (DME / DDE) .

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

NOTE: Interrogate fault memory of DME control module.

Check stored fault messages.

Rectify faults.

Then clear fault memory.