15 pin BMW proprietary connector
This is proprietary (non-standard, product specific ) connector. A proprietary connector is the special connector that can only be used with a certain device(s).
- BMW old 15 pin diagnostic interface connector pinout
This is the 15 pin BMW proprietary connector
![15 pin BMW proprietary connector view and layout](/connectors/bmw_15pin.gif)
![15 pin BMW proprietary photo and diagram](/photos/bmw_15pin.jpg)