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:
Note: For Lifetime oil filling
SI number: 1 01 98 (294)
Order number: 00 2 080
Hand pump
Fig. 36: Identifying Hand Pump (00 2 080)
EXHAUST PIPE CUTTER
Note: For V2a pipe
Series: E12, E21, E23, E24, E28, E30, E30/C, E30tou, E31, E32, E32/3, E34,
E34tou, E36, E36/2, E36/3,
E36/5, E36/7, E36/C, E36to
Special tools required:
52 0 050.
Necessary preliminary tasks:
Remove front seat.
Remove rear panel on front seat backrest.
Remove inner cover on front seat.
WARNING: US/CDN front passenger seat (with OC3 mat) only:
To avoid damaging the OC3 mat, it is essential to carry out the following
o