BMW X5 Owners & Service Manuals

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.

Electronic Switching Or Control Unit
Fig. 21: Locating Holder And Cover

Installation:

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

Electronic Switching Or Control Unit
Fig. 22: Identifying Tabs And Cover

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

Remove Valvetronic control unit (1).

Electronic Switching Or Control Unit
Fig. 23: Identifying Valvetronic Control Unit

NOTE: Interrogate fault memory of DME control unit.

Check stored fault messages.

Rectify faults.

Then clear fault memory.

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

(cylinder bank 5 to 8)

Necessary preliminary tasks:

Release plug connector (1) and pull off.

Electronic Switching Or Control Unit
Fig. 24: Identifying Plug Connector

Release screw.

Remove pulse generator (2).

Installation:

Replace sealing ring and coat with antiseize agent.

Electronic Switching Or Control Unit
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:

Release plug connector (1) and pull off.

Electronic Switching Or Control Unit
Fig. 26: Identifying Plug Connector

Release screw.

Remove pulse generator (2).

Installation:

Replace sealing ring and coat with antiseize agent.

Electronic Switching Or Control Unit
Fig. 27: Identifying Pulse Generator

NOTE: Now clear the fault memory.

REPLACING CRANKSHAFT PULSE GENERATOR (N62, N62TU)

Necessary preliminary tasks:

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.

Electronic Switching Or Control Unit
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:

Release plug connector (1) and pull off.

Electronic Switching Or Control Unit
Fig. 29: Identifying Plug Connector

Release screw.

Remove pulse generator (2).

Installation:

Replace sealing ring and coat with antiseize agent.

Electronic Switching Or Control Unit
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:

Release plug connector (1) and pull off.

Electronic Switching Or Control Unit
Fig. 31: Identifying Plug Connector

Release screw.

Remove pulse generator (2).

Installation:

Replace sealing ring and coat with antiseize agent.

Electronic Switching Or Control Unit
Fig. 32: Locating Pulse Generator

NOTE: Now clear the fault memory.

REPLACING CONTROL UNIT (DME) (N62, N62TU)

Necessary preliminary tasks:

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

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

Replacement:

Unlock stopper (1) in direction of arrow.

Unfasten screws.

Lift out cover (2).

Security version:

Remove DME ARMOUR PLATING

Electronic Switching Or Control Unit
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.

Electronic Switching Or Control Unit
Fig. 34: Identifying DME Control Unit

REPLACING RIGHT KNOCK SENSORS (N62, N62TU)

(cylinder bank 1 to 4)

Necessary preliminary tasks:

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).

Electronic Switching Or Control Unit
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:

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).

Electronic Switching Or Control Unit
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:

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:

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