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Engine Wiring Harness Connectors: Difference between revisions
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'''Pre Catalytic Converter Lambda Probe:''' | '''Pre Catalytic Converter Lambda Probe:''' | ||
*Housing: BMW 12521740485 | *Housing: BMW 12521740485 | ||
*Pin: BMW | *Pin: BMW 12521744077 | ||
*Sealing: BMW 1427785 | *Sealing: BMW 1427785 | ||
*Cable Protection: BMW 12521703593 | *Cable Protection: BMW 12521703593 |
Revision as of 20:33, 2 August 2023
Here is an overview of connectors used in the engine harness of M52TU and M54.
Feel free to add partnumbers if you find them useful.
Sensor Connectors
BMW M54 Crankshaft Sensor
- ECU Side: Kostal 3 Way Sealed SLK 2,8 Black Female Connector (Coding A) - 09-4413-91 // 9441391
- Pin: Female SLK 2,8 Sealed Tin Plated Terminal 0.5-0.75mm² - 22140492060
- Seal: Individual Loose Cable Seal SLK 2,8 Series 1.5-2.5mm² - 10800444523
- Sensor Side: Kostal 3 Way Sealed SLK 2,8 Black Male Connector (Coding A) - 1-968408-2 //
- Pin: Male SLK 2,8 Sealed Silver Plated Terminal 0.5-0.75mm² - 10124499140
- Seal: Individual Loose Cable Seal SLK 2,8 Series 1.5-2.5mm² - 10800444523
Pin 1 | M_KWG (Sensor Ground) |
---|---|
Pin 2 | P_KWG (Crankshaft Sensor Signal Output) |
Pin 3 | U_HR (+12V Voltage Input) |
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)
Plug: 12527512935 (BMW) (Sealing grommet to go with the plug is part # 61138366245)
Pin: 12527545852
Pin 1 | +5V Voltage Input? |
---|---|
Pin 2 | +12V Voltage Input? |
Pin 3 | A_HFM (MAF Signal Output) |
Pin 4 | Unused |
Pin 5 | M_HFM (Sensor Ground) |
Pin 6 | IAT Sensor Output |
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)
Also matches S4 B5 MAF sensor
- Plug: 1J0973775A (VAG)
- Socket: 1J0973824 (VAG)
Pin 1 | IAT Sensor Output |
---|---|
Pin 2 | +12V Input Voltage |
Pin 3 | Common Ground |
Pin 4 | +5V Input Voltage |
Pin 5 | MAF Sensor Output |
Bosch MAP Sensor 20-300kPa (0261230119)
3-pin Bosch Compact 1.1a 2.8mm
- Plug: Bosch 1928403966
- Pin: Bosch 1928498056
- Cover: Bosch 12521707749
Pin 1 | +5V Voltage Input |
---|---|
Pin 2 | Ground |
Pin 3 | Signal Output |
Mercedes M275 MAP Sensor (Bosch 0261230191)
Alternative Part Number: 0051537228
- Plug: BMW 61132359998 / TE 1-968402-1
Pin 1 | +5V Voltage Input |
---|---|
Pin 2 | Signal Output |
Pin 3 | Ground |
BMW M52TU M54 Lambda Sensor Connectors
These connectors describe the probe side. ECU wiring side is exactly the other connector.
Pre Catalytic Converter Lambda Probe:
- Housing: BMW 12521740485
- Pin: BMW 12521744077
- Sealing: BMW 1427785
- Cable Protection: BMW 12521703593
Post Catalytic Converter Lambda Probe :
- Housing: BMW 12521740486
- Pin: BMW 1703596
- Sealing: BMW 1427785
- Cable Protection: BMW 12521703593
Throttle Body Connectors
BMW M52TU Throttle Body
Throttlebody Side: 09331003 (Kostal) / 12521740615 (BMW)
Wiring Harness Side: 1252xxxxxxx (BMW)
Pin 1 | U_DKWF1 (Supply Voltage +5V Sensor 1) |
---|---|
Pin 2 | U_DKWF2 (Supply Voltage +5V Sensor 2) |
Pin 3 | A_FWG2 (Signal Pedal Value Sensor 2) |
Pin 4 | M_DKWF2 (Ground Sensor 2) |
Pin 5 | A_DKG2 (Signal Throttle Position Sensor 2) |
Pin 6 | A_FWG1 (Signal Pedal Value Sensor 1) |
Pin 7 | M_DKWF1 (Ground Sensor 1) |
Pin 8 | A_DKG1 (Signal Throttle Position Sensor 1) |
Pin 9 | T_MDK1 (Throttle Body Motor 1) |
Pin 10 | T_MDK2 (Throttle Body Motor 2) |
BMW M54 Throttle Body
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 Throttle Body (13548623324)
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.
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) |