Any reason why these wouldn't be a more suitable option? No fan, etc, to accommodate, should fit inside the existing caps and should put the light source in the same place as a standard H1 filament...
https://www.ebay.co.uk/itm/H1-H7-H3-CSP-Seoul-12-Chip-LED-Headlight-Bulb-Canbus-Error-Free-White/273228911502?var=572521630330
https://www.ebay.co.uk/itm/H1-H7-H3-CSP-Seoul-12-Chip-LED-Headlight-Bulb-Canbus-Error-Free-White/273228911502?var=572521630330