車是用來開的，因此再好的車也要時(shí)時(shí)注意保養(yǎng)，下面這些地方，日常使用時(shí)要尤其注意。
濟(jì)南寶馬汽車專修人員給您推薦內(nèi)容：
The car is for driving, so no matter how good the car is, you should always pay attention to maintenance. Pay special attention to the following places during daily use. Jinan BMW auto repair personnel recommend to you:
輪胎汽車輪胎是有“年齡”的，即使一條嶄新的輪胎，存放時(shí)間超過四年也會(huì)老化，因?yàn)檩喬サ闹饕牧鲜窍鹉z，而橡膠的特性就是長(zhǎng)時(shí)間使用或者放置就會(huì)老化，如果使用老化的輪胎輕則影響車輛的性能，重則發(fā)生爆胎事故危及生命。
Tyres automobile tyres have "age". Even if a brand-new tyre is stored for more than four years, it will age, because the main material of the tyre is rubber, and the characteristic of the rubber is that it will age after long-term use or storage. If the aged tyre is used, it will affect the performance of the vehicle at least, and it will be life-threatening if it is used.
辨別輪胎的生產(chǎn)日期很簡(jiǎn)單，在輪胎靠近輪轂的地方可以找到一串4位的數(shù)字，前兩位表示生產(chǎn)周，后兩位表示生產(chǎn)年份。如果車主要更換輪胎，在挑選的時(shí)候一定要看清楚生產(chǎn)的日期。
It is easy to identify the production date of the tire. A series of 4-digit numbers can be found near the wheel hub. The first two digits represent the production week and the last two digits represent the production year. If the car mainly changes tires, be sure to look at the production date when selecting it.
此外，車主們?cè)谏?jí)輪胎時(shí)，千萬不能盲目，否則會(huì)造成安全隱患。在確定輪胎規(guī)格之后，要選擇同種花紋的輪胎，以確保升級(jí)后的行車安全使用。
In addition, car owners must not blindly upgrade tires, otherwise it will cause potential safety hazards. After determining the tire specification, choose the tire with the same pattern to ensure the safe use of the upgraded driving.
如果輪胎的磨耗程度、結(jié)構(gòu)及規(guī)格不一致，不僅影響輪胎的使用壽命，更重要的是會(huì)造成汽車的剎車阻力不一致，汽車高速行駛需要急剎車時(shí)，輪胎的阻力不同使四輪的受力不均，易造成車輛失控導(dǎo)致的交通事故。需要注意的是，升級(jí)輪胎時(shí)，好是四條輪胎同時(shí)更換。
If the wear degree, structure and specification of the tire are inconsistent, it will not only affect the service life of the tire, but also lead to inconsistent braking resistance of the car. When the car needs sudden braking at high speed, the different resistance of the tire will cause uneven stress on the four wheels, which is easy to cause traffic accidents caused by vehicle loss of control. It should be noted that when upgrading tires, it is better to replace four tires at the same time.
如果不能同時(shí)更換，至少要保持左右兩條輪胎是一致，這樣就能避免急剎車時(shí)因左右兩邊輪胎摩擦力不同而導(dǎo)致的側(cè)滑。
If it cannot be replaced at the same time, at least keep the left and right tires consistent, so as to avoid side slip caused by different friction between the left and right tires during sudden braking.
發(fā)動(dòng)機(jī)現(xiàn)在很多車子使用低能耗高功率的渦輪增壓技術(shù)。對(duì)于這類發(fā)動(dòng)機(jī)，有一些需要特別注意的地方。勿著車就走。
Many cars now use low-energy and high-power turbocharging technology. For this kind of engine, there are some places that need special attention. Don't leave in the car.
發(fā)動(dòng)機(jī)發(fā)動(dòng)后，特別是在冬季，應(yīng)讓其怠速運(yùn)轉(zhuǎn)一段時(shí)間，以便在增壓器轉(zhuǎn)子高速運(yùn)轉(zhuǎn)之前讓潤(rùn)滑油充分潤(rùn)滑軸承。其次，勿立即熄火。
After the engine is started, especially in winter, it should be idled for a period of time, so that the lubricating oil can fully lubricate the bearings before the supercharger rotor runs at high speed. Secondly, do not shut down the engine immediately.
發(fā)動(dòng)機(jī)長(zhǎng)時(shí)間高速運(yùn)轉(zhuǎn)后，應(yīng)怠速運(yùn)轉(zhuǎn)3-5分鐘再熄火。發(fā)動(dòng)機(jī)工作時(shí)，有一部分機(jī)油供給渦輪增壓器轉(zhuǎn)子軸承潤(rùn)滑和用于冷卻。
After the engine runs at high speed for a long time, it should idle for 3-5 minutes and then shut down. When the engine is working, some oil is supplied to the turbocharger rotor bearing for lubrication and cooling.
正在運(yùn)行的發(fā)動(dòng)機(jī)突然停機(jī)后，機(jī)油壓力迅速下降為零，增壓器渦輪部分的高溫傳到中間，軸承支撐殼內(nèi)的熱量不能迅速帶走，而同時(shí)增壓器轉(zhuǎn)子仍在慣性作用下高速旋轉(zhuǎn)，因此，發(fā)動(dòng)機(jī)熱機(jī)狀態(tài)下如果突然停機(jī)，會(huì)引起渦輪增壓器內(nèi)滯留的機(jī)油過熱而損壞軸承和軸。特別要防止猛轟幾腳油門后突然熄火。
After the running engine is suddenly shut down, the oil pressure rapidly drops to zero, the high temperature of the turbocharger turbine part is transmitted to the middle, and the heat in the bearing support shell cannot be taken away quickly. At the same time, the turbocharger rotor is still rotating at high speed under the action of inertia. Therefore, if the engine is suddenly shut down under the hot engine state, the oil trapped in the turbocharger will overheat and damage the bearings and shafts. In particular, it is necessary to prevent sudden flameout after slamming a few accelerator feet.
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