BMW 7 Owners & Service Manuals

BMW 7 Series: Regulator

REPLACING VOLTAGE REGULATOR

Necessary preliminary tasks

  • Switch off ignition
  • Disconnect battery negative lead
  • See NOTES/INFORMATION ON REMOVING AND INSTALLING CONTROL UNITS
  • Remove alternator

Bosch

Release protective caps (1).

Regulator
Fig. 52: Identifying Protective Caps

Bosch

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

Regulator
Fig. 53: Identifying Screw And Nuts

Bosch

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

Regulator
Fig. 54: Removing Regulator Switch

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.

Regulator
Fig. 55: Identifying Regulator Switch Dimensions

Valeo

Slacken nut (1).

Slacken nut (2).

Release screws (3).

Release cover (4).

Regulator
Fig. 56: Identifying Nut, Screw And Cover

Valeo

Release screws.

Remove regulator switch (1) towards top.

Regulator
Fig. 57: Locating Regulator Switch Screws

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.

Regulator
Fig. 58: Identifying Measurement A

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

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

Regulator
Fig. 59: Identifying Regulator, Mounting Sleeve And Cover

    READ NEXT:

     Starter With Mounting

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    Vehicle features and options Every standard, nation-specific, and optional feature available with the series is covered in this chapter. Additionally, it highlights features and functions that might not be present in your car because of things like country versions or options you have chosen. Thi

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