Generic OBD-II scanners might read basic codes, but European cars in Malaysia...

https://dlf-ne.org/e90-bmw-common-wiring-harness-issue-what-symptoms-show-up/

Generic OBD-II scanners might read basic codes, but European cars in Malaysia use manufacturer-specific data that only specialist tools can unlock. Without proper diagnostics, misreads lead to unnecessary repairs or missed issues