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BMW E46 Guide

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BMW E46 (1999 to 2007)

E46 race car.jpg

CAN bus integration

RaceCapture/Pro can integrate with the E46 proprietary (non OBD-II) CAN bus network. Additional sensors for data not provided by the CAN bus connection can connected via direct inputs.

Direct Sensors

Oil Pressure

Recommend a dedicated 10 bar / 145 PSI 0.5-4.5v pressure sensor. Pressure Sensor


You can tap into the engine TD/RPM signal from Pin 9 of the OBD-II port, available on all BMWs after 2000.

RaceCapture/Pro Timer Configuration

  • Timer Speed: Medium
  • Pulse Per Revolution: 3

Brake Pressure

You can tap into brake pressure by accessing the signals in the ECU box.

  • Front pressure: Black/Violet/Yellow
  • Rear Pressure: Black/Violet