BMW X3 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).

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

    Removing and installing/replacing alternator (N47 D20 O1)
    Necessary preliminary work: Read out the fault memory of the DDE control unit. Switch off ignition. Disconnect BATTERY EARTH LEAD . Remove I ...

    Starter with mounting
    ...

    Other materials:

    BMW X3 Service & Repair Manual > Front axle repair instructions: Front axle + steering: wheel alignment check must be carried out after the following work
    A WHEEL ALIGNMENT CHECK must be carried out after the following work: Release the following screw connections: Steering box to front axle support Lower wishbone to front axle support Track rod end to track rod Replace the following components: Steering box (1) Front axle support ...

    BMW X3 Owners Manual

    BMW X3 Service & Repair Manual

    © 2017-2021 Copyright www.bmwx3tech.com - 0.0082