How to use Yanhua Mini ACDP (ACDP1/ACDP2) to change mileage on BMW CAS4/CAS4+? First remove the cluster from the vehicle before resetting the CAS mileage via OBD, and then disassemble the instrument chip to modify mileage. After modification, install the … Continue reading How to Change BMW CAS4/CAS4+ Mileage with Yanhua ACDP1/ACDP2?