Engine Cooling System problems of the 2017 BMW 330

The contact owns a 2017 BMW 330i. The contact stated that while the vehicle was parked, upon inspecting the vehicle, the contact noticed coolant leaking from under the vehicle. The message to add coolant was displayed. The vehicle was taken to an independent mechanic where the engine was inspected, and the contact became aware of stains of coolant coming from the head gasket. The contact was informed that the head gasket needed to be replaced. The vehicle was not repaired. The contact stated there was a software update performed on the rearview camera. The manufacturer was notified of the failure but offered no assistance. The contact related the failure to NHTSA campaign number: 18v755000 (engine and engine cooling); however, the VIN was not included in the recall. The contact was referred to the NHTSA hotline for assistance. The failure mileage was 73,000.