From what I understand, they should fit easily. Turn the original bulb about a third of a turn to free and press and turn in reverse to lock the new ones in. Passenger side may be a bit of a tight squeeze, if you aren't yet familiar, you should learn how to remove the headlight assemblies, they are only held on by three total screws on each side, one in the back two in front and they pop out, you may have to wiggle a bit. Once out, replacing the bulbs is super easy. Stock end caps may not fit back on, they aren't very important but if you want end caps then the domed ones mentioned on the first page are an option... But, please, share pics of the output, at least one like 20 feet from a garage door or wall and one of the output in the road, please disable the camera filters/extra settings. We've been trying to get some pics of those for a while!
According with your advice, the correct width of the new end caps is 80 mm?