BMW X5 Owners & Service Manuals

BMW X5: Replacing Crankshaft Pulse Generator (N52, N52K, N51, N53)

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

IMPORTANT: Aluminum-magnesium materials.

No steel screws/bolts may be used due to the threat of electrochemical corrosion.

A magnesium crankcase requires aluminum screws/bolts exclusively.

Aluminum screws/bolts must be replaced each time they arereleased.

The end faces of aluminum screws/bolts are painted blue for the purposes of reliable identification.

Jointing torque and angle of rotation must be observed without fail (risk of damage).

Necessary preliminary tasks:

NOTE: Installation location of pulse generator for crankshaft is underneath starter motor.

Preparatory tasks:

Detach plug (1) from crankshaft pulse generator (2).

Release screw.

Installation

Replace aluminum screws.

Tightening torque 12 14 2AZ.

Withdraw pulse generator (2) from crankcase.

Installation:

Replace sealing ring.

NOTE: Check stored fault messages. Now clear the fault memory.

Electronic Switching On Or Control Unit
Fig. 13: Locating Pulse Generator Plug

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

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

Necessary preliminary tasks:

Unlock plug (1) and remove.

Release bolt.

Installation:

Replace screw.

Tightening torque 12 14 3AZ.

Remove pulse generator (2).

Electronic Switching On Or Control Unit
Fig. 14: Locating Pulse Generator Plug

NOTE: Check stored fault messages.

Now clear the fault memory.

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