How often does the BMW x 1 throttle have to be cleaned?

BMW x 1 Throttle is cleaned every 20,000 to 40,000 kilometers. If it is found that the idle speed is unstable and the acceleration is uneven, it needs to be cleaned. Throttle is a controllable valve that controls air to enter the engine. There are two kinds of throttle: traditional cable throttle and electronic throttle. It connects the air filter and the engine block, and is called the throat of the automobile engine. BMW x 1 is a compact suv launched by BMW. Its length, width and height are 4454 mm, 1798 mm and 1545 mm, respectively, and its wheelbase is 2760 mm, and its driving mode is predecessor. In terms of suspension, the front suspension type of BMW x 1 is McPherson independent suspension, and the rear suspension type is multi-link independent suspension.