Pay attention to the use of running in period. This is the basis for extending engine life. Jinan where repair Audi is more professional, new engine and overhaul engine in normal operation, must be in accordance with the specifications.

　　经常检查紧固区域。柴油机或汽油机在使用过程中受振动和载荷的影响是不平等的，螺栓、螺母容易松动，而且各部件的调节螺栓应仔细检查，以免造成松动而损坏部件。应及时检查和调整气门间隙、配油相位、供油提前角、喷油压力和点火正时，确保发动机始终处于良好的技术状态，以节约燃料，延长使用寿命。

　　Check fastening areas frequently. The influence of vibration and load on diesel engine or gasoline engine in use is unequal. The bolts and nuts are easy to loosen. Moreover, the adjusting bolts of all parts shall be carefully checked to avoid damage to the parts due to loosening. Check and adjust the valve clearance, oil distribution phase, oil supply advance angle, injection pressure and ignition timing in time to ensure that the engine is always in a good technical state, so as to save fuel and extend its service life.

　　保持油、水、气和身体的清洁。如果燃油不纯,它将使精确匹配的宝马汽车维修零部件磨损,匹配的差距增加,导致漏油,油滴,电力供应压力减少,差距较大,甚导致石油道路堵塞,轴燃烧的瓷砖和其他严重的缺点;如果空气中含有大量灰尘，会加速缸套、活塞和活塞环的磨损;如果冷却水不纯净，就会增大冷却系统的水垢，阻碍发动机散热，润滑状况就会变差，机器零件就会严重磨损。如果车身表面不干净，车身会被腐蚀，缩短使用寿命。

　　Keep oil, water, air and body clean. If the fuel oil is impure, it will make the precisely matched BMW maintenance parts wear, and the matching gap will increase, which will lead to oil leakage, oil drops, reduced power supply pressure, and even lead to the blockage of oil roads, ceramic tiles of shaft combustion and other serious disadvantages; if there is a large amount of dust in the air, it will accelerate the wear of cylinder liners, pistons and piston rings; If the cooling water is not pure, it will increase the scale of the cooling system, hinder the heat dissipation of the engine, the lubrication condition will become worse, and the machine parts will be severely worn. If the body surface is not clean, the body will be corroded and the service life will be shortened.

　　确保充足的油、水和空气。如果汽油和空气供应迟到或中断，将有启动困难，燃烧不良，功率下降，发动机不能正常运行等现象;如果供油不足或中断，会使发动机润滑不良，零件磨损严重，甚出现烧瓦现象;如果冷却水不足，机器温度会过高，功率下降，磨损，降低使用寿命。

　　Ensure adequate oil, water and air. If the supply of gasoline and air is late or interrupted, it will be difficult to start, poor combustion, power reduction, and the engine can not operate normally; if the supply of oil is insufficient or interrupted, it will cause poor lubrication of the engine, serious wear of parts, and even tile burning; if the cooling water is insufficient, the temperature of the machine will be too high, power reduction, wear, and reduce the service life.

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