Upload your CAS4 EEPROM (4KB) / CAS4+ D-FLASH (32KB) for BMW CAS4 / CAS4+, choose the operation and download the modified file. Processing runs on our server, in your browser — nothing to install.
Upload your fileRequired file: CAS4 EEPROM (4KB) / CAS4+ D-FLASH (32KB)
BMW CAS4 (1L15Y, EEPROM 4KB) and CAS4+ (5M48H, D-FLASH 32KB). READ INFO shows VIN, mileage, ISN, CAS SK, EGS ISN, remote ID, key frequency and keys, and fills the fields. Edit any field and press WRITE DATA - all checksums are recalculated. On CAS4+ (32KB) only the mileage can be changed. READ and edits are free; a mileage change costs 1 token.