BMW X3 (F25) Service & Repair Manual: Controller

BMW X3 (F25) Service & Repair Manual / Electrical / 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).

Electrical

Bosch:

Release screw (1) and nuts (2), remove cover.

Electrical

Bosch:

Release screws and remove regulator switch (1) in direction of arrow.

Electrical

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.

Electrical

Valeo:

Slacken nut (1).

Slacken nut (2).

Release screws (3).

Release cover (4).

Electrical

Valeo:

Release screws.

Remove regulator switch (1) towards top.

Electrical

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.

Electrical

Installation:

Fit new regulator (1) with attached mounting sleeve (2) or locked carbon brush.

Pull off mounting sleeve (2) and replace with cover (3).

Electrical

Alternator with drive and mounting
...

Starter with mounting
...

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 ...