I bought a used BMW X3 from a dealership and it had the manufacturer 100, 000 mile CPO. I took the car into Classic BMW after detecting a leak in the car. The leak was determined to be coming from the transmission cooler line. This line is an integral component of the transmission and it should be covered under the CPO but the dealer advised that it was not covered as it is "hose". The "line" is solid metal pipe about two foot long and is in no way a wear and tear item, an upkeep item or a "hose" as the definition of... read full review »