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| <div style="float:right;">__TOC__</div>
| | #REDIRECT [[Engine_Wiring_Harness_Connectors]] |
| Here is an overview of connectors used in the engine harness or aftermarket upgrades.
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| Feel free to add partnumbers if you find them useful.
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| ==Sensor Connectors==
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| ===== BMW M54 MAF Sensor (MS43) =====
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| 3-pin Junior Mini Timer 2.8mm
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| Plug: 12521427222 (BMW)
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| Pin: 12521427612
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| Cover: 12521707749
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| {| class="wikitable"
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| |-
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| ! Pin 1
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| || M_HFM (Sensor Ground)
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| |-
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| ! Pin 2
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| || A_HFM (MAF Signal Output)
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| |-
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| ! Pin 3
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| || U_HR (+12V Voltage Input)
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| |}
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| ===== BMW M54 MAF Sensor (MS45)=====
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| Plug: 12527512935 (BMW) (Sealing grommet to go with the plug is part # 61138366245)
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| Pin: 12527545852
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| {| class="wikitable"
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| |-
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| ! Pin 1
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| || +5V Voltage Input?
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| |-
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| ! Pin 2
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| || +12V Voltage Input?
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| |-
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| ! Pin 3
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| || A_HFM (MAF Signal Output)
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| |-
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| ! Pin 4
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| || Unused
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| |-
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| ! Pin 5
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| || M_HFM (Sensor Ground)
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| |-
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| ! Pin 6
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| || IAT Sensor Output
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| |}
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| ===== BMW B58 TMAP Sensor (13628637900) =====
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| Plug: 18302411427 (BMW) (8 509 441-02)
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| AliExpress: 7549032-02
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| {| class="wikitable"
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| |-
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| ! Pin 1
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| || A_TNDK (Temperature Signal After Throttlebody)
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| |-
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| ! Pin 2
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| || U_5V_2 (Sensor Supply Voltage +5V)
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| |-
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| ! Pin 3
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| || M_PNDK (Sensor Ground)
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| |-
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| ! Pin 4
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| || A_PNDK (Absolute Pressure Signal After Throttlebody)
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| |}
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| ===== Audi RS4 (B5) MAF Sensor (0280218067)=====
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| Plug: 1J0973775A (VAG)
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| Socket: 1J0973824 (VAG)
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| {| class="wikitable"
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| |-
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| ! Pin 1
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| || IAT Sensor Output
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| |-
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| ! Pin 2
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| || +12V Input Voltage
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| |-
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| ! Pin 3
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| || Common Ground
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| |-
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| ! Pin 4
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| || +5V Input Voltage
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| |-
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| ! Pin 5
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| || MAF Sensor Output
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| |}
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| =====Mercedes M275 MAP Sensor (Bosch 0051537228)=====
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| Other part # for sensor: 0261230191
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| Plug: 61132359998 (BMW) / 968402-1 (TE)
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| {| class="wikitable"
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| |-
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| ! Pin 1
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| || +5V Voltage Input
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| |-
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| ! Pin 2
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| || Signal Output
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| |-
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| ! Pin 3
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| || Sensor Ground
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| |}
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| ==Throttle Body Connectors==
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| ===== BMW M54 Throttle Body =====
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| Plug: 1J0973713 (VAG) / 12527505669 (BMW)
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| Socket: 3B0973813 (VAG)
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| {| class="wikitable"
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| |-
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| ! Pin 1
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| || A_DKG1 (Potentiometer 1)
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| |-
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| ! Pin 2
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| || U_DKG (Sensor Supply Voltage +5V)
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| |-
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| ! Pin 3
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| || T_MDK1 (Actuator 1)
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| |-
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| ! Pin 4
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| || A_DKG2 (Potentiometer 2)
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| |-
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| ! Pin 5
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| || T_MDK2 (Actuator 1)
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| |-
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| ! Pin 6
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| || M_DKG (Sensor Ground)
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| |}
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| ===== BMW B58 Throttle Body (13548623324) =====
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| The B58 throttle body adapts perfectly to MS43 and can therefore be used on a B58 manifold that has been adapted for use on an M5X engine.
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| Plug: 12527635615 (BMW)
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| Pins: 61138600419 (BMW)
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| {| class="wikitable"
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| |-
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| ! Pin 1
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| || T_MDK1 (Actuator 1)
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| |-
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| ! Pin 2
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| || T_MDK2 (Actuator 2)
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| |-
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| ! Pin 3
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| || A_DKG1 (Hall Sensor 1)
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| |-
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| ! Pin 4
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| || M_DKG (Sensor Ground)
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| |-
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| ! Pin 5
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| || U_5V_1 (Sensor Supply Voltage +5V)
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| |-
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| ! Pin 6
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| || A_DKG2 (Hall Sensor 2)
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| |}
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