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).
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Fig. 52: Identifying Protective Caps
Bosch
Release screw (1) and nuts (2), remove cover.
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Fig. 53: Identifying Screw And Nuts
Bosch
Release screws and remove regulator switch (1) in direction of arrow.
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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.
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Fig. 55: Identifying Regulator Switch Dimensions
Valeo
Slacken nut (1).
Slacken nut (2).
Release screws (3).
Release cover (4).
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Fig. 56: Identifying Nut, Screw And Cover
Valeo
Release screws.
Remove regulator switch (1) towards top.
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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.
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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).
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Fig. 59: Identifying Regulator, Mounting Sleeve And Cover
READ NEXT:
Starter With Mounting
REMOVING AND INSTALLING/REPLACING STARTER (N63)
Necessary preliminary work
Switch off ignition.
Disconnect BATTERY EARTH LEAD.
Remove right ENGINE SUPPORT ARM.
Release connector (1) and remove.
Replacing Battery Positive Lead Between Starter, Alternator And
Battery Positive Terminal (N63)
Necessary preliminary tasks
Read out fault memory of DME control unit
Turn off ignition
Disconnect BATTERY NEGATIVE LEAD
Remove RIGHT INTERCOOLER
Remove RIGHT INTAKE MANIFOLD
Open cover.
Relea
SEE MORE:
Reinforcement Plate With Stud Bolt (Bonded)
In the case of a partial replacement piece, a body component is cut at a
point described in the repair instructions.
A reinforcement plate is bonded in to ensure sufficient strength.
Reinforcement plates are available as new parts and must also be used (refer to
Electronic Parts Catalogue).
NOTE
Service - Engine Oil (N63)
WARNING: Risk of scalding!
Carry out work on the vehicle only when wearing oil- and heat-resistant
protective gloves incl. forearm protection, face guard and protective
apron.
IMPORTANT: Carry out the engine oil service only when the engine is at
operating
temperature.
Observe the exact engine oil
