BMW 8 SERIES 1996 E31 Cruise Control Acutator

Internal Description
Figure 10 - Sliding out throttle cable
Figure 11 - Throttle cable separated from cruise control
BMW Cruise Control Actuator 1985 to 1996 – Technical Data page 11 of 25
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Internal Description
Figure 12 - Throttle cable disconnected
BMW Cruise Control Actuator 1985 to 1996 – Technical Data page 12 of 25
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Disassembly
The actuator may be disassembled in the following steps.
Figure 13 - Remove mounting plate nuts
Figure 14 - Remove shell perimeter screws
BMW Cruise Control Actuator 1985 to 1996 – Technical Data page 13 of 25
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Disassembly
Figure 15 - Using screwdriver to separate shell halves
Figure 16 - Shell halves separated showing internal components
BMW Cruise Control Actuator 1985 to 1996 – Technical Data page 14 of 25
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Disassembly
Figure 17 - Control belt drum gear and retraction spring removed
Figure 18 - Detail of control belt threading through clevis
BMW Cruise Control Actuator 1985 to 1996 – Technical Data page 15 of 25
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Disassembly
Figure 19 - Detail of control cable drum gear, flexible guide, and clevis
Figure 20 - Detail of control cable drum gear showing broken tooth
BMW Cruise Control Actuator 1985 to 1996 – Technical Data page 16 of 25
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Disassembly
Figure 21 - Detail of drive engagement sprocket
The drive engagement sprocket is disengaged when the solenoid is de-
energized. When disengaged, the control belt drum will turn freely.
This allows the control belt to pay in or out. The retraction spring (not
shown) eliminates slack.
Figure 22 - View of circuit board with solenoid removed
BMW Cruise Control Actuator 1985 to 1996 – Technical Data page 17 of 25
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Disassembly
Figure 23 - Circuit board and solenoid
Figure 24 - Drive engagement sprocket and motor drive
When the circuit board and solenoid are removed, the drive
engagement sprocket and motor drive with auxiliary gear are
revealed.
BMW Cruise Control Actuator 1985 to 1996 – Technical Data page 18 of 25
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Disassembly
Figure 24 - Drive engagement sprocket and shaft
Figure 25 - Solenoid and drive engagement sprocket
BMW Cruise Control Actuator 1985 to 1996 – Technical Data page 19 of 25
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Disassembly
Figure 26 - Solenoid and drive engagement sprocket (partially reassembled)
BMW Cruise Control Actuator 1985 to 1996 – Technical Data page 20 of 25
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