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In recent days, BMW has sparked a heated discussion on the Internet after it was revealed that it had reduced its "airbag sensor". Boss Cai, a car blogger on a short video platform, posted two videos questioning BMW's downsizing on May 16 and May 21, respectively.

On May 16, Boss Cai released a video showing that the blogger took apart a BMW with the assistance of the staff. After disassembling and viewing, the blogger said in the video that BMW's reduced airbag sensor includes the front and door parts, and only an acceleration sensor is equipped on the B-pillar. He pointed out in the video that the acceleration sensor may be lagging behind. Can't detonate the airbag in time. Subsequently, the blogger also entered the frame number of the domestic BMW, which is not equipped with sensors, according to BMW's official website. The blogger described, "the wire layout diagram shows that the position of the sensor is not occupied, that is to say, these places are not wired, no sensors are installed." After that, we can see from the spare parts system that the sensor number of the front of the car and the sensor of the door are virtual, and we can't even point in, that is to say, there is no such part. "

On May 21, Boss Cai posted another video saying that in a 2021 BMW accident that was sent for repair on the evening of May 20, he pointed out that in the accident, the BMW "all bended the anti-collision beam and none of the airbags popped out". After inquiring from BMW's official website according to the frame number of the car, it was found that the circuit diagram showed that there were two collision sensors in the front of the car, but they were not found in the car. No airbag sensors were found in the front and doors of the BMW, but he was puzzled by the fact that there were reserved holes with sensors in the doors on both sides of the BMW, but no corresponding equipment was installed.

On May 23, BMW sales responded that the current vehicles use upgraded acceleration sensors, which can choose to bounce off or turn off airbags according to the strength of the impact. On May 24, according to a report by Caijing Automobile, it was confirmed by the BMW backstage system that BMW did not install airbag sensors on the front and doors, but this problem only appeared in the domestic market, and there was no problem of reduction in Europe and the United States. In response to this incident, the relevant BMW official said: vehicles on sale in different markets need to meet the national laws and regulations of the local market. At the same time, the requirements of vehicle safety crash testing in different markets will be different. In BMW's stringent quality control system, different models have different passive safety design principles and production requirements. It can be clear that all the vehicles sold by BMW in China meet the relevant standards of the National "Technical conditions for Motor vehicle Operation Safety" (GB7258). The BMW sixth-generation 3-Series is equipped with a horizontal and longitudinal accelerometer in the integrated chassis management system (ICM) and a horizontal + longitudinal accelerometer in each side of the B-column, which can ensure the safety of the vehicle.

So far, BMW Chinese officials have not responded.

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