BMW X5: Replacing Pulse Generator On Inlet Camshaft (N52K)

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection).

Necessary preliminary tasks:

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

Lever out expansion rivets (1).

Press lock (2) and raise intake duct (3).

Detach intake duct (3) from air filter housing and remove.

Fig. 15: Locating Ignition Coil Covers Screws And Holder

Unclip Bowden cable for engine bonnet/hood actuator from transverse reinforcement (1).

Release screws on left and right sides. Tightening torque 51 71 4AZ.

Remove cross-brace (1).

Fig. 16: Identifying Plug Connector

Installation:

Replace screw.

Tightening torque 12 14 3AZ.

Remove pulse generator (2).

Fig. 17: Locating Pulse Generator And Screw

NOTE: Check stored fault messages.

Now clear the fault memory.

REPLACING EXHAUST CAMSHAFT PULSE GENERATOR (N52, N52K, N51, N53)

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection).

Necessary preliminary tasks:

• Read out fault memory of DME control unit; if necessary, work through test schedules
• If necessary, remove radiator cover

Unlock plug (1) and remove. Release bolt.

Release bolt.

Fig. 18: Locating Ignition Coil Covers Screws And Holder

Installation:

Fig. 19: Identifying Plug Connector

Replace screw.

Tightening torque 12 14 4AZ. Remove pulse generator (2).

Fig. 20: Locating Pulse Generator

NOTE: Check stored fault messages.

Now clear the fault memory.

REPLACING PULSE GENERATOR ON EXHAUST CAMSHAFT (N52K)

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection).

Necessary preliminary tasks:

• Read out fault memory of DME control unit.
• Switch off ignition

Lever out expansion rivets (1).

Press lock (2) and raise intake duct (3).

Detach intake duct (3) from air filter housing and remove.

Fig. 21: Locating Ignition Coil Covers Screws And Holder

Installation:

Fig. 22: Identifying Plug Connector

Replace screw.

Tightening torque 12 14 4AZ. Remove pulse generator (2).

Fig. 23: Locating Pulse Generator

NOTE: Check stored fault messages.

Now clear the fault memory.

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