Since both sides use the same bulb, there's no problem swapping them left to right, but there's no point, as the bulbs are identical. (mechanics.stackexchange.com)
Some headlight «variants» are the same bulb, with the same or a similar connector, but different wiring. (mechanics.stackexchange.com)
No, the bulb will have two separate filaments in the same bulb. (yourmechanic.com)