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Two months ago, we reported that a short break in a BMW vehicle was repeated, and that there were traces of a short circuit in the parts of the vehicle. By the way, there have been reports of similar malfunctions in another BMW model. Again, traces of short circuits have been identified in the same sensor-related parts.

Reporter Kim Kwan-jin.

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BMW car owner Moon Mo was embarrassed when he tried to change lanes while driving in January because the steering wheel did not move as expected.

A sensor that warns the driver when leaving the lane without turning on the turn signal has malfunctioned.

I got a system upgrade from BMW, but this time another sensor was causing the problem.

[Moon Mo / BMW driver: Suddenly, the car is 'pibibig' and it's a server. There was a car that followed, so I was a little scared that it would lead to a big accident.] I

was told by the BMW sensor that there was a short circuit, so I asked him to see it repaired, but he was rejected.

[BMW Service Center staff: This is a part you shouldn't be able to access (to the maintenance room).

[Moon Moon / BMW vehicle driver: No, I don't know what kind of inspection I'm doing right now, but I didn't give the diagnosis correctly, I paid the money… .]

I checked the vehicle with an expert.

A device such as a 'Kappas Camera Control Unit', that is, a computer that adjusts the safety-related sensors in the vehicle, there are traces of burnouts due to electrical short circuits at the five connections.

[Park Byeong-il / Car Master: I saw the connector, but all five are burned. It is a very dangerous case that can lead to a major accident if braking is applied (due to sensor malfunction).]Experts say that the control unit is also a component that was found to have been burned in the event of a malfunction of the driving brake sensor reported by SBS two months ago.

In response, BMW Korea said it will strengthen monitoring of sensor-related parts and take preventive measures against related symptoms such as software improvement.

The Korea Automobile Safety Research Institute under the Ministry of Land, Infrastructure and Transport has also undertaken a preliminary investigation into the malfunction of BMW's vehicle sensors.

(Video coverage: Bae Moon-san, Video editing: So Ji-hye, VJ: Kim Joon-ho, CG: Seo Seung-hyun)