Rider fault for not keeping proper look out for car door opening and anyhow squeeze recklessly.
Car driver did not wrong for briefly dropping off passengers which is legal under traffic rules.
Roads marked with a single yellow line indicate that parking is not allowed at all times on the side where it is drawn, except for the immediate picking up and letting down of passengers.
Rule of thumb ... NEVER overtake from the left, no matter how slow the car is. Especially in Autobahn. They have a strict rule that no one is allowed to overtake from a slower lane.