Generic OBD-II scanners can only tell part of the story when it comes to...

https://garrettwigp625.tearosediner.net/bmw-door-feels-heavy-and-solid-does-that-mean-repairs-are-harder-too

Generic OBD-II scanners can only tell part of the story when it comes to European cars in Malaysia. Manufacturer-specific codes often need specialist tools to diagnose accurately. Plus, sourcing genuine parts is tricky—counterfeits are everywhere