BMW X5 Owners & Service Manuals

BMW X5: Starter With Mounting

REMOVING AND INSTALLING/REPLACING STARTER MOTOR (N52, N52K, N51, N53, N54)

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 are released.

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:

Unlock plug (1) and remove.

Unfasten nut.

Tightening torque 12 14 3AZ.

Remove battery positive lead (2).

Release screws (1).

Installation:

Replace aluminum screws.

Tightening torque 12 14 1AZ. Release screws (2).

Replace aluminum screws.

Tightening torque 12 41 2AZ.

Remove starter motor (3).

Installation:

Check starter pinion and ring gear for damage, replace starter motor if necessary.

N53 only : In the case of a separate term. 50 lead (with disconnector socket), the term. 50 lead is laid parallel to knock sensor 2 behind the fuel line.

REPLACING SOLENOID SWITCH

Turn off ignition.

Remove starter motor.

Release nut (1).

Remove cable lug (2).

Starter With Mounting
Fig. 45: Identifying Cable Lug And Nut

CAUTION: Do not turn cable lug (2) while tightening down - risk of short circuit to starter motor housing.

Tighten to specified torque.

Release screws (1).

Starter With Mounting
Fig. 46: Identifying Screws

Remove solenoid switch (1) and spring (2).

Unhook pin (3).

Installation:

Check pin (3) for wear and apply grease.

Starter With Mounting
Fig. 47: Identifying Solenoid Switch And Spring

READ NEXT:

 Starter Lead

REMOVING AND INSTALLING OR REPLACING BATTERY POSITIVE LEAD (BETWEEN STARTER, ALTERNATOR AND BATTERY POSITIVE TERMINAL) Necessary preliminary tasks: Read out fault memory of DME control unit; if nece

 Engine Wiring Loom

REPLACING WIRING HARNESS SECTION FOR ENGINE (N52K) Special tools required: 24 2 390. IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection)! Necessary pr

 Oil Pressure, Oil Tempe

REMOVING AND INSTALLING/REPLACING OIL PRESSURE SENSOR (N52, N52K, N51, N54, N53) Necessary preliminary tasks: Switch off ignition N52, N52K, N51, N53 only: Remove ignition coil cover. N54 on

SEE MORE:

 Drive readiness - Driving

Drive readiness Turning on drive readiness 1. Depress the brake pedal. 2. Press the Start/Stop button. Turning off drive-ready state Steptronic transmission: 1. Engage selector lever position P with the vehicle stopped. 2. Press the Start/Stop button. The engine is switched off. 3. Set the park

 Removing And Installing Or Replacing Muffler/Silencer

WARNING: Scalding hazard! Work on independent heating may only be carried out when it has cooled down. Necessary preliminary tasks: Remove left underbody panelling. Slacken clamp (1). Release screws (2) and remove muffler (3). Tightening torque. Fig. 45: Identifying Muffler/Silencer And Slack

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