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You can determine the exact cause of the breakdown using a certified diagnostic equipment, which is available in serious car services.

For example, if you buy the BMW X5 and the engine breaks in the car, then the cause of the breakdown will clearly be low -quality fuel. The cleaning of such injector -type engines should be carried out every 30 thousand run. Here it is important to the owner of a foreign car to monitor the condition of the filter and the pump grid. In professional conditions, engines of foreign cars should also be repaired, as they have a complex injection system that is equipped with electronic control.