BMW X5: Regulator
REPLACING VOLTAGE REGULATOR
Necessary preliminary tasks:
- Switch off ignition.
- Disconnect battery negative lead.
- Notes on removing and installing electronic control units.
- Remove alternator.
Bosch:
Release protective caps (1).
Fig. 40: Inserting Screwdriver Between Cover And Threaded Pin
Bosch:
Release screw (1) and nuts (2), remove cover.
Fig. 41: Identifying Controller Switch And Contact Screws
Bosch:
Release screw (1) and nuts (2), remove cover.
Fig. 42: Identifying Contact Surfaces Of Slip Rings
Bosch:
Release screws and remove regulator switch (1) in direction of arrow.
Fig. 43: Installing Controller Switch
Valeo:
Slacken nut (1).
Slacken nut (2).
Release screws (3).
Release cover (4).
Fig. 44: Identifying Controller Switch And Contact Screws
Valeo:
Release screws
Remove regulator switch (1) towards top.
Valeo:
Installation:
Clean contact surfaces and check pretension of contact spring, replace regulator switch if necessary.
Measurement A = min. 5 mm.
Check collector ring for wear and recondition if necessary.
Installation:
Fit new regulator (1) with attached mounting sleeve (2) or locked carbon brush.
Pull off mounting sleeve (2) and replace with cover (3).
READ NEXT:
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.
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
SEE MORE:
Safety At Work
1.1 Working with aluminum dust:
Wear a fine dust mask.
E52 only: Use an explosion-proof extractor system.
Note national regulations.
1.2 Removing sealing materials
Hydrochloric acid is created when PVC sealing material is heated to
temperatures in excess of 180º
C.
Remove PVC sealing mat
Replacing A Brake Pad Sensor (Front)
IMPORTANT: The brake pad wear sensor must be replaced once it has been
removed (brake
pad wear sensor loses its retention capability in the brake pad).
If a brake lining sensor that has already been ground has to be replaced even
though the minimum brake pad thickness has
not yet been reached, you
