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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.
BMW M54 MAF Sensor (MS43)
3-pin Junior Mini Timer 2.8mm
Plug: 12521427222 (BMW)
Pin: 12521427612
Cover: 12521707749
Pin 1 | M_HFM (Sensor Ground) |
---|---|
Pin 2 | A_HFM (MAF Signal Output) |
Pin 3 | U_HR (+12V Voltage Input) |
BMW M54 MAF Sensor (MS45)
Pin 1 | U_HR (+12V Voltage Input) |
---|---|
Pin 2 | ? |
Pin 3 | A_HFM (MAF Signal Output) |
Pin 4 | Unused |
Pin 5 | M_HFM (Sensor Ground) |
Pin 6 | IAT Sensor Output |
BMW 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) |
BMW 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) |
BMW 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) |
Audi RS4 MAF Sensor (0280218067)
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 |