宝马汽车保养常识之保养周期解析：

　　Maintenance cycle analysis of BMW maintenance common sense:

　　1、汽车冷却系统的清洗保养一般情况下，汽车在冬夏换季时应清洗保养一次，正常行驶中每6个月8个月清洗保养一次，或者遇水温过高、漏水、开锅时清洗保养一次。导致发动机过热的痕迹和水垢，防止有害的腐蚀发生，避免并制止密封件和水箱的渗漏，更换旧的冷却液。

　　1. Cleaning and maintenance of automobile cooling system generally, the automobile shall be cleaned and maintained once during the winter and summer seasons. During normal driving, it shall be cleaned and maintained once every 6 to 8 months, or in case of high water temperature, water leakage and boiling. Traces and scale that lead to overheating of the engine, prevent harmful corrosion, avoid and stop leakage of seals and water tanks, and replace the old coolant.

　　2、汽车润滑系统的深化保养润滑系统主要作用就是对汽车发动机的各个部件进行的润滑，以防过度磨损。在常规情况下，汽车每行驶5000km-10000km时就需清洗保养一次，在遇到发动机噪音过大，加速无力，水温过高时也需清洗保养一次。清洗发动机内部的油泥和其它积物，避免机油高温下的氧化稠化，减少发动机部件的磨损，延长发动机寿命，提高发动机动力。

　　2. The main function of the lubrication system is to lubricate all parts of the automobile engine to prevent excessive wear. Under normal circumstances, the vehicle needs to be cleaned and maintained every 5000km-10000km. In case of excessive engine noise, weak acceleration and high water temperature, it also needs to be cleaned and maintained once. Clean the oil sludge and other deposits inside the engine to avoid oxidation and thickening of the engine oil at high temperature, reduce the wear of engine components, prolong the service life of the engine and improve the power of the engine.

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　　3、汽车动力转向系统的清洗保养汽车每行驶40000km-45000km清洗需保养一次，或遇转向困难系统渗漏，更换动力转向机配件后，也须清洗保养一次。系统中有害的油泥、漆膜，低温时的转向困难，制止并预防动力转向液的渗漏，转向噪音，更换旧的制动转向液。

　　3. Cleaning and maintenance of vehicle power steering system the vehicle shall be cleaned and maintained every 40000-45000km, or in case of leakage of the steering system, it shall also be cleaned and maintained after replacing the power steering gear accessories. Harmful oil sludge and paint film in the system, difficult steering at low temperature, stop and prevent power steering fluid leakage and steering noise, and replace the old brake steering fluid.

　　4、汽车燃油系统的清洗保养常规情况下，汽车每行驶10000km-15000km时需清洗保养1次，或当你发觉引擎喘抖，迟滞和加速不良，冒黑烟，无力、费油时清洗保养1次。系统内部的胶质和积碳，防止有害的腐蚀发生，避免并制止密封件和水箱的渗漏，更换旧的冷却液。

　　4. Cleaning and maintenance of vehicle fuel system under normal circumstances, the vehicle needs to be cleaned and maintained once every 10000km-15000km, or once when you find that the engine is wheezing, sluggish, poor acceleration, black smoke, powerlessness and fuel consumption. Colloid and carbon deposit in the system to prevent harmful corrosion, avoid and stop the leakage of seals and water tanks, and replace the old coolant.

　　5、汽车变速箱的清洗保养宝马变速箱油是免维护的，不过还是建议6-10万更换一次。

　　5. Cleaning and maintenance of automobile gearbox BMW gearbox oil is maintenance free, but it is recommended to replace it every 60000-100000 km.

　　6、汽车制动系统的清洗保养汽车每行驶50000km清洗保养一次，或遇abs反应过早，过慢时清洗保养一次。系统中有害的油泥漆膜，高温或超低温时工作失灵的危险，防止制动液变质过期，更换旧的制动液。

　　6. Cleaning and maintenance of vehicle braking system: the vehicle shall be cleaned and maintained every 50000km, or when ABS reaction is too early and too slow. The harmful oil sludge paint film in the system, the risk of work failure at high or ultra-low temperature, prevent the deterioration and expiration of the brake fluid, and replace the old brake fluid.

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