This post provides diagrams for connecting the Yanhua Benz/BMW Universal Filter to the BMW instrument.

Below is an illustration for wiring:

Black --------- GND Red --------- +12V White --------- +5V
Purple -------- L1（CAN_L1） Green --------- H1（CAN_H1）
Yellow --------- L2（CAN_L2） Blue --------- H2（CAN_H1）
NOTICE! Please connect the 2 BMW dots (short circuit) BEFORE connecting to the car!

1. The diagram for the BMW 1 series F20 instrument:

2. The diagram for the BMW 3 series F30 instrument:

3. The diagram for the BMW 3 GT series F30 instrument:

4. The diagram for the BMW X5 F15 instrument:

5. The diagram for the American Standard BMW X5 F15 instrument:

6. The diagram for the BMW FEM:

7. The diagram for the BMW CAS4(1L15Y/5M48H/1N35H)

8. The diagram for the BMW X3 F25 instrument:

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