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

WARNING: This page is about a different variant/trim than selected.

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.