The transmission is nothing but a contrivance using which we can change the speed of our vehicle. Without it, the power generated by the engine can’t be transferred to the axle. Overtime, it gets clogged & the fluid becomes contaminated. In that case, you should flush your transmission system. You will feel various unusual driving experiences when your BMW X1 needs a transmission flush. Catch those indications here in this slide & ask a pro on the dot for further measures.