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

WARNING: This page is about a different car, the 2003 BMW X5 and 2002 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

G03255119

Courtesy of BMW OF NORTH AMERICA, INC.

Turn tommy bar through approx. 90°.

Remove cover.

Fig 2: Removing Cover

G03255120

Courtesy of BMW OF NORTH AMERICA, INC.

Release lock (1).

Remove air funnel (2) towards top.

Fig 3: Removing Air Funnel

G03255121

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws.

Tightening torque, refer to 12 90 4AZ in ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUES - X5 4.6L .

Remove cover (1) on control unit box.

Fig 4: Removing Cover On Control Unit Box

G03255122

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

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

Fig 5: Installing Cover For Control Unit Box

G03255123

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connections (1).

Unlock DME control unit (2) and remove.

Fig 6: Removing DME Control Unit

G03255124

Courtesy of BMW OF NORTH AMERICA, INC.

For subsequent procedure, follow instructions of DIS Tester.

Code control unit.

Program control unit.

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