YANHUA MB CAN Filter 18-in-1 (also known as Super CAN Filter) is a professional-grade CAN bus filter designed for BMW vehicles. It is used to isolate or filter CAN communication signals, commonly required during instrument cluster programming, module replacement, or diagnostic work on modern BMW models.
Basic Wiring Color Code
| Wire Color | Function |
|---|---|
| Black | GND (Ground) |
| Red | +12V |
| White | +5V |
| Purple | L1 (CAN_L1) |
| Green | H1 (CAN_H1) |
| Yellow | L2 (CAN_L2) |
| Blue | H2 (CAN_H2) |
Important Notice
Before connecting the filter to the vehicle, you must short-circuit (connect together) the two BMW dots on the filter. Failure to do so may result in communication failure or damage.
Supported BMW Models & Diagrams
1. BMW 1 Series F20 Instrument Cluster
Wiring diagram specifically for the F20 instrument cluster installation.
BMW 3 Series F30 Instrument Cluster
Standard F30 instrument cluster connection diagram.
BMW 3 Series GT F30 Instrument Cluster
Dedicated diagram for the 3 Series Gran Turismo (F30 GT) instrument.
BMW X5 F15 Instrument Cluster
Standard European-spec X5 F15 instrument wiring diagram.
Note: Some versions require the 5V line to be changed to 12V.
American-Spec BMW X5 F15 Instrument Cluster
Special wiring diagram for North American market X5 F15 models.
BMW FEM (Front Electronic Module)
Connection diagram for FEM modules.
BMW CAS4 (1L15Y / 5M48H / 1N35H)
Wiring diagram for CAS4 immobilizer modules with the listed processor versions.
BMW X3 F25 Instrument Cluster
Instrument cluster connection diagram for the X3 F25.
