BMW 5 Series E60 CAS3 Immobiliser Repair
BMW CAS3 Immobiliser ECU Repairs The CAS3 immobiliser module (transponder box) is found fitted to BMW vehicles and is known for common faults like not allowing the vehicle to start. The CAS3 module can be a very expensive part to replace and will need programming to get it working. A common location for the immobiliser box is behind the pocket on the drivers side. If you're reading this page it's most likely because you suspect a fault with your BMW 5 Series…