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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 ()
Pin 2 U_DKG (+5V)
Pin 3 T_MDK1 ()
Pin 4 A_DKG2 ()
Pin 5 T_MDK2 ()
Pin 6 M_DKG (Ground)
B58 Thottlebody

Plug: 12527635615 (BMW)

Pins: 61138600419 (BMW)


B58 TMAP Sensor
RS4 MAF Sensor

Plug: 1J0973775A (VAG)

Socket: 1J0973824 (VAG)