Generic OBD-II scanners might read basic codes, but European cars need more...

https://www.automotiveaddicts.com/119095/why-european-cars-need-a-different-kind-of-mechanic-than-usual-workshops

Generic OBD-II scanners might read basic codes, but European cars need more precise diagnostics to catch manufacturer-specific issues. Without specialist tools and trusted parts sourcing, you risk costly misdiagnoses and counterfeit components