Can you replace a BMW key if all keys are lost? Yes. AB Mobile Key can generate and program new BMW keys on-site, even when all keys are lost, using dealer-level tools. Do you program BMW CAS, FEM, and BDC modules? Yes. We support BMW CAS1-4, FEM, and BDC systems using professional diagnostic and programming equipment for E-Series and F-Series models. How long does it take to program a new BMW key? Most BMW key programming and cutting services are completed within 45 to 90 minutes on-site, depending on the vehicle's security system. Is it necessary to tow my BMW to the dealership for a new key? No. AB Mobile Key offers fully mobile service, meaning we come to your location to program your key on-site, saving you towing fees and dealership wait times. Can you delete old or stolen BMW keys from the car's memory? Yes. We can access your BMW's immobilizer system to block or delete lost or stolen keys, ensuring only the keys in your possession can start the car. Do you support BMW Comfort Access and Smart Keys? Absolutely. We program BMW Smart Keys with Comfort Access (keyless entry and start) for E-Series and F-Series models.