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:
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.
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
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:
REPLACING RUBBER MOUNT FOR TRANSMISSION MOUNTING
Special Tools Required:
22 1 016 22 1 010 SET OF TOOLS
22 1 017 22 1 010 SET OF TOOLS
22 1 101 22 1 100 FIXTURE
22 1 102 22 1 100 FIXTURE
22 1 103 22 1 100 FIXTURE
33 4 465 33 4 460 SET OF TOOLS
Necessary preliminary tasks:
Remove cross-memb
(cylinder bank 5 to 8)
Necessary preliminary tasks:
Remove servomotor for left eccentric shaft.
Remove ignition coils on cylinder bank 5 to 8.
Remove left cylinder head cover.
Remove spark plugs on cylinder bank 5 to 8.
Remove left inlet and exhaust adjustment units.
Remove slide rail (1).