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Electrical Connectors
From MS4X Wiki
Here is an overview of connectors used in the engine harness or aftermarket upgrades.
Feel free to add partnumbers if you find them useful.
M54 MAF Sensor
3-pin Junior Mini Timer 2.8mm
Plug: 12521427222 (BMW)
Pin: 12521427612
Cover: 12521707749
M54 Throttlebody
Plug: 1J0973713 (VAG) / 12527505669 (BMW)
Socket: 3B0973813 (VAG)
Pin 1 | A_DKG1 (Potentiometer 1) |
---|---|
Pin 2 | U_DKG (Sensor Supply Voltage +5V) |
Pin 3 | T_MDK1 (Actuator 1) |
Pin 4 | A_DKG2 (Potentiometer 2) |
Pin 5 | T_MDK2 (Actuator 1) |
Pin 6 | M_DKG (Sensor Ground) |
B58 Thottlebody (13548623324)
The B58 throttlebody adapts perfectly with the MS43 and can therefore be used incase anyone wants to use B58 manifold.
Plug: 12527635615 (BMW)
Pins: 61138600419 (BMW)
Pin 1 | T_MDK1 (Actuator 1) |
---|---|
Pin 2 | T_MDK2 (Actuator 2) |
Pin 3 | A_DKG1 (Hall Sensor 1) |
Pin 4 | M_DKG (Sensor Ground) |
Pin 5 | U_5V_1 (Sensor Supply Voltage +5V) |
Pin 6 | A_DKG2 (Hall Sensor 2) |
B58 TMAP Sensor (13628637900)
Plug: 18302411427 (BMW) (8 509 441-02)
AliExpress: 7549032-02
Pin 1 | A_TNDK (Temperature Signal After Throttlebody) |
---|---|
Pin 2 | U_5V_2 (Sensor Supply Voltage +5V) |
Pin 3 | M_PNDK (Sensor Ground) |
Pin 4 | A_PNDK (Absolute Pressure Signal After Throttlebody) |
RS4 MAF Sensor
Plug: 1J0973775A (VAG)
Socket: 1J0973824 (VAG)
Pin 1 | IAT Sensor Output |
---|---|
Pin 2 | +12V Voltage Input |
Pin 3 | Common Ground |
Pin 4 | +5V Input Voltage |
Pin 5 | MAF Sensor Output |