How to match the throttle of BMW X5?

1. Turn the key to the power first, and never start the car, that is, turn off the engine. \x0d\ 2。 After standing for about 10 second, quickly press the accelerator pedal to the bottom. Be sure to step on the gas quickly. Hold 15 second, and then quickly lift the pedal. \x0d\ 3。 Then close the key door, take out the key and let it stand for about 15 seconds. \x0d\ 4。 Start the car normally and match it. \x0d\ Throttle is a controllable valve used to control air entering the engine. After entering the intake pipe, it is mixed with gasoline (different models of cars have different design mixing parts) to become combustible mixture, which participates in combustion and does work. Four-stroke gasoline engines are generally like this. Throttle is the most important component in EFI automobile engine system. Its upper part is the air filter, and the lower part is the engine block, which is the throat of the automobile engine.