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, 2001 BMW X5, and 2000 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.

Read fault memory.

Switch off ignition.

Detach sealing strips (1).

Fig 1: Detaching Sealing Strips

G03252190

Courtesy of BMW OF NORTH AMERICA, INC.

Turn bar through approx. 90°.

Remove cover.

Fig 2: Turning Tommy Bar Through Approx 90

G03252191

Courtesy of BMW OF NORTH AMERICA, INC.

Release lock (1).

Remove air funnel (2) towards top.

Fig 3: Releasing Lock

G03252192

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws.

For tightening torque, see 12 90 4AZ in ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUES .

Remove cover (1) on control unit box.

Fig 4: Removing Cover On Control Unit Box

G03252193

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

G03252194

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: Disconnecting Plug Connections

G03252195

Courtesy of BMW OF NORTH AMERICA, INC.

Code control unit.

Program control unit.

NOTE: Interrogate fault memory of DME control module.
Check stored fault messages.
Rectify faults.
Then clear fault memory.