BMW X5: Electronic Switching Or Control Unit

REPLACING CONTROL UNIT (VALVETRONIC)

Switch off ignition.

Follow instructions for disconnecting and connecting battery.

Disconnect battery.

CAUTION: Follow instructions for removing and installing electronic control units.

Observe following instructions before replacing control unit:

PROGRAM CONTROL UNIT.

Remove right fresh air duct.

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. 21: Locating Holder And Cover

Installation:

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

Fig. 22: Identifying Tabs And Cover

Unlock and detach plug connections on Valvetronic control unit (1).

Remove Valvetronic control unit (1).

Fig. 23: Identifying Valvetronic Control Unit

NOTE: Interrogate fault memory of DME control unit.

Then clear fault memory.

REPLACING PULSE GENERATOR ON LEFT EXHAUST CAMSHAFT (N62, N62TU)

(cylinder bank 5 to 8)

Necessary preliminary tasks:

• Read out fault memory of DME control unit; if necessary, work through test schedules
• Switch off ignition.
• Remove ACOUSTIC COVER
• Remove left ignition coil cover

Release plug connector (1) and pull off.

Fig. 24: Identifying Plug Connector

Release screw.

Remove pulse generator (2).

Installation:

Replace sealing ring and coat with antiseize agent.

Fig. 25: Identifying Pulse Generator

NOTE: Now clear the fault memory.

REPLACING PULSE GENERATOR ON RIGHT EXHAUST CAMSHAFT (N62, N62TU)

(cylinder bank 1 to 4)

Necessary preliminary tasks:

• Read out fault memory of DME control unit; if necessary, work through test schedules
• Switch off ignition
• Remove ACOUSTIC COVER
• Remove right ignition coil cover

Release plug connector (1) and pull off.

Fig. 26: Identifying Plug Connector

Release screw.

Remove pulse generator (2).

Installation:

Replace sealing ring and coat with antiseize agent.

Fig. 27: Identifying Pulse Generator

NOTE: Now clear the fault memory.

REPLACING CRANKSHAFT PULSE GENERATOR (N62, N62TU)

Necessary preliminary tasks:

• Read out fault memory of DME control unit; if necessary, work through test schedules
• Switch off ignition
• If necessary, remove underbody protection.

Installation location:

On transmission housing at bottom right.

Unlock plug (1) and remove.

Release screw.

Withdraw pulse generator (2) from transmission housing.

Installation:

Replace sealing ring.

Replace screw.

Fig. 28: Locating Pulse Generator

Installation:

Now clear the fault memory.

REPLACING PULSE GENERATOR ON LEFT INLET CAMSHAFT (N62, N62TU)

(cylinder bank 5 to 8)

Necessary preliminary tasks:

• Read out fault memory of DME control unit; if necessary, work through test schedules
• Switch off ignition
• Remove ACOUSTIC COVER
• Remove left ignition coil cover

Release plug connector (1) and pull off.

Fig. 29: Identifying Plug Connector

Release screw.

Remove pulse generator (2).

Installation:

Replace sealing ring and coat with antiseize agent.

Fig. 30: Locating Pulse Generator

NOTE: Now clear the fault memory.

REPLACING PULSE GENERATOR ON RIGHT INLET CAMSHAFT (N62, N62TU)

(cylinder bank 1 to 4)

Necessary preliminary tasks:

• Read out fault memory of DME control unit; if necessary, work through test schedules
• Switch off ignition
• Remove ACOUSTIC COVER
• Remove right ignition coil cover

Release plug connector (1) and pull off.

Fig. 31: Identifying Plug Connector

Release screw.

Remove pulse generator (2).

Installation:

Replace sealing ring and coat with antiseize agent.

Fig. 32: Locating Pulse Generator

NOTE: Now clear the fault memory.

REPLACING CONTROL UNIT (DME) (N62, N62TU)

Necessary preliminary tasks:

• Read fault memory
• Switch off ignition
• Disconnect battery
• Remove LOWER SECTION OF MICROFILTER HOUSING ON RIGHT.

IMPORTANT: Follow instructions for removing and installing electronic control units.

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION).

Replacement:

• PROGRAM CONTROL UNIT
• CODE CONTROL UNIT

Unlock stopper (1) in direction of arrow.

Unfasten screws.

Lift out cover (2).

Security version:

Remove DME ARMOUR PLATING

Fig. 33: Locating Screws And Stopper

Unlock and detach all plug connections on DME control unit (1).

Unlock DME control unit (1) and remove towards top.

Fig. 34: Identifying DME Control Unit

REPLACING RIGHT KNOCK SENSORS (N62, N62TU)

(cylinder bank 1 to 4)

Necessary preliminary tasks:

• Read out fault memory of DME control unit
• Check stored fault messages
• Switch off ignition
• Remove INTAKE AIR MANIFOLD

IMPORTANT: Mixing up the knock sensor plug connections will result in engine damage! Routing of wires and plug connections must conform to the original routing.

This eliminates the risk of confusion and mix-ups.

Release bolts.

Tightening torque 12 14 1AZ.

Remove knock sensors (1).

Fig. 35: Locating Knock Sensors

NOTE: Now clear the fault memory.

REPLACING LEFT KNOCK SENSORS (N62, N62TU)

(cylinder bank 5 to 8)

Necessary preliminary tasks:

• Read out fault memory of DME control unit
• Check stored fault messages
• Switch off ignition
• Remove INTAKE AIR MANIFOLD

IMPORTANT: Mixing up the knock sensor plug connections will result in engine damage! Routing of wires and plug connections must conform to the original routing.

This eliminates the risk of confusion and mix-ups.

Release bolts.

Tightening torque 12 14 1AZ.

Remove knock sensors (1).

Fig. 36: Locating Knock Sensors

NOTE: Now clear the fault memory.

CODING CONTROL MODULE (DME / DDE)

Switch off ignition.

Connect MoDiC or DIS/GT1 Tester.

Switch on ignition.

Select "Coding" program.

For subsequent procedure, follow instructions in MoDiC or DIS/GT1 Tester.

Carry out adjustment of following control units:

• EWS (electronic immobilizer)
• DME (Digital Motor Electronics) or
• DDE (Digital Diesel Electronics)

PROGRAMMING CONTROL UNIT (DME / DDE)

Switch off ignition.

Connect MoDiC or DIS/GT1 Tester.

Switch on ignition.

Select "Programming".

For subsequent procedure, follow instructions in MoDiC or DIS/GT1 Tester.

Carry out adjustment of following control units:

• EWS (electronic immobilizer)
• DME (Digital Motor Electronics) or
• DDE (Digital Diesel Electronics)

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