BMW X3 (F25) Service & Repair Manual: Controller
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).
Bosch:
Release screw (1) and nuts (2), remove cover.
Bosch:
Release screws and remove regulator switch (1) in direction of arrow.
Bosch:
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.
Valeo:
Slacken nut (1).
Slacken nut (2).
Release screws (3).
Release cover (4).
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).
Other materials:
BMW X3 (F25) Owners Manual > Notes: Data memory
Many electronic components on your vehicle
are equipped with data memories that temporarily
or permanently store technical information
about the condition of the vehicle, events
and faults. This technical information generally
records the state of a component, a module, a
system or the environ ...