Yanhua ACDP - Module #7 - Refresh BMW E/F Chassis CAS (w/ License A521) For Mini ACDPThe Yanhua ACDP Module #7 enables professional grade BMW CAS immobilizer module refresh and key renewal for E and F series vehicles. Engineered to let you reuse existing keys or program new ones, this module eliminates the need for soldering and supports operation on a bench or with the vehicle connected. Compatible with both ACDP1 and ACDP2 master units, its a powerful solution for efficient BMW IMMO work. Functions: Key Refresh: Reinitialize BMW E F