As a rule, the engine of the stove can be displayed after 2-3 years of operation of the car. The reason for this unpleasant sound in BMW 3 E90 is the cooling of the fan. There are two ways to solve this problem: replace the fan assembly with a new or unclean stove, clean and lubricate the fan assembly. This work does not require special skills, so you can handle it on your own.
