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:
- Switch off ignition
- Disconnect battery negative lead.
- Remove intake air manifold.
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).
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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).
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Fig. 46: Identifying Screws
Remove solenoid switch (1) and spring (2).
Unhook pin (3).
Installation:
Check pin (3) for wear and apply grease.
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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:
Removing And Installing Or Replacing Left Output Shaft
Special tools required:
31 4 170
Remove front wheel.
IMPORTANT: Expand turning lock sufficiently to avoid damaging thread
when releasing collar nut.
Release collar nut (1), press brake pedal to floor for this purpose.
Fig. 140: Identifying Collar Nut
Remove left microfilter housing cover.
IMPOR
Checking And If Necessary Correcting Oil Cooler Line (N52K)
IMPORTANT: Danger of scalding! Only perform this work after engine has
cooled down.
Necessary preliminary tasks:
Remove underbody protection.
Recycling
Transmission fluid emerges when oil lines are detached from heat exchanger.
Catch and dispose of escaping transmission fluid.
Observe country-
