Emergency call malfunction light came on. System is an important vehicle safety features. Vehicle taken to dealership for inspection. No visual damage present on vehicle however water ingress from roof shark fin is causing damage to electrical components, TCB and emergency call function. Shark fin antenna cover determined to be causing water ingress after inspection by BMW dealership. Per their recommendation, further water ingress could damage additional electrical components, some critical and therefore immediate need to replace TCB, Aerial antenna, and emergency battery. Vehicle warranty not covering this type of issue. Cost of repair estimated at $2500.