Considering owning a pre-owned BMW, for any car enthusiast, might be the most thrilling thing. A used BMW is in demand for style, agility, and power in performance. Like any other category of a luxury vehicle, they do require more frequent maintenance to ensure longevity and optimal performance, especially in their transmission system. The transmission system is among the vital systems in your BMW and helps in power distribution from the engine to the wheels. These may be very expensive if the car is defective and needs repairs or even a complete breakdown.