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Home >> BMW >> 2019 >> M4 Base, 2D Convertible, Standard Trans >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> Connector End Views (F83) >> Connector List >> Convertible-Top Module A120*4B Connector End View
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Convertible-Top Module A120*4B Connector End View

Fig 1: Convertible-Top Module A120*4B Connector End View
G11225901Courtesy of BMW OF NORTH AMERICA, INC.
Pin Assignments At Plug Connector A120*4B

Pin Type Description /Signal type Connection /Measuring information
1 A Activation Relay 2 for hardtop drive Relay 2 for hardtop drive
2 A Activation Relay 1 for hardtop drive Relay 1 for hardtop drive
3 A Activation Negative connection Valve 2
4 A Activation Negative connection Valve 1
5 A Activation Negative connection Valve 5
6 A Activation Negative connection Valve 4
7 A Activation Negative connection Valve 3
8 -- Not used  
9 E Oil temperture signal Hydraulic oil temperature sensor
10 A Activation Relay 2 for hardtop drive Relay 2 for hardtop drive
11 A Activation Relay 1 for hardtop drive Relay 1 for hardtop drive
12 A Activation Positive Valve 2
13 A Activation Positive Valve 1
14 A Activation Positive Valve 5
15 A Activation Positive Valve 4
16 A Activation Positive Valve 3
17 -- Not used  
18 E Oil temperture signal Hydraulic oil temperature sensor