BMW Key Fob Programming E90: OEM, Locksmith, or DIY
BMW E90 key fob programming has two separate jobs: synchronizing the remote buttons and authorizing the immobilizer transponder through the Car Access System, or CAS. Owners can usually resynchronize a previously authorized remote themselves, but a new starter-authorized key requires BMW-specific equipment, an authorized VIN key, or a qualified automotive locksmith. Key Facts at a […]