I get that, I've tried and failed to get bulbs to fit the housing on my R12R but it's not just not meant to be so I'm sticking with the plain old halogens. The Hornig one is smart though, keeps with the look of the bike.
Check the fancy smancy version for my bike, crazy money. Nvm import fees too.
https://motodemic.com/shop/bmw-r1200r-led-headlight-upgrade/
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