Generic OBD-II scanners can only read basic codes, missing the intricate faults...

https://paxtonsinspiringthoughtss.inkharbory.com/posts/what-scan-tool-should-a-bmw-specialist-use-in-malaysia

Generic OBD-II scanners can only read basic codes, missing the intricate faults in European cars. Manufacturer-specific diagnostics unlock precise insights, which means quicker, accurate fixes