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) Service & Repair Manual > Suspension: Spring with suspension
MEASURING VEHICLE RIDE HEIGHT Determine actual ride height (A) - to do so, attach tape measure to rim flange (2) at bottom middle and measure to wheel arch lower edge (1). Removing and installing/replacing coil spring for front left or front right spring strut Special tools required: 31 ...