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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

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)
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)