A classic of the genre: a BMW driver turned on the turn signal and did not understand what he should do

Stereotypes are bad. But, as they say, they do not appear in a vacuum. For example, there is a legend that all BMW owners ... are very bad drivers who do not know how (or do not want to) use turn signals. But the hero of this video decided to dispel this unfair stereotype. However, alas, he only confirmed it.