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一辆2006年5月生产的宝马730Li轿车,其车型系列为E66,底盘号为DS89685,车身类型为四门车,搭载N52发动机,已行驶155 182 km。故障现象客户反映车低速行驶时,组合仪表突然亮起5个黄色故障等级的故障灯,如图1所示。
A BMW 730Li sedan was produced in May 2006 with an E66 chassis model number of DS89685 and a four-door body type with an N52 engine and 155 182 km of travel. Fault phenomenon When the customer reflected the car running at a low speed, the combination meter suddenly lit up five fault lights of the yellow fault level, as shown in FIG. 1.