I believe the H15 bulb was developed by Osram & possibly has a Patent on it. The ones you buy on EBay are manufactured on a small scale in China: and they don't give a thump about Patents.
David.
Contacted Osram a couple of weeks ago about H15 Bulb. Was informed they are developing an upgrade bulb and should be released about March next year. Will be marketed in the Cool Blue Intense Range. They are going to email me when release is imminent. Hopefully the main beam will be better than...
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