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Self-made H1-to-HID with D2S in my E34... (archive)

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Posted by Sjef on October 17, 2001 at 10:56:02:

In Reply to: H1 bulb mount is custom job... not standard posted by Tiger on October 16, 2001 at 23:06:00:

I did the H1 to HID conversion both for ellipsoid low-beam and high-beam myself by disassembling a Philips Xentron D2S-igniter block (made in Germany)intended for the US market. I used a special heat-resistant ceramic cement to glue the D2S bulb into an empty H1 socket (you need to pry off the H1 halogen bulb from its socket and drill a 2.2mm hole in it for the D2Sreturn wire). To make sure that the alignment is correct, I made a plate with two holes to put in a complete H1 bulb next to the D2S bulb in the H1 socket and it's an easy place to let the ceramic glue harden.

Results are magnificent: I still have the right beam pattern but LOTS of extra light on the road and no headlight modifications (shields etc) were necessary. The only bad thing in this project is assembling the D2S bulb on a H1 socket: high risk of breaking the glass stem. It'd be greatewr if you could get industrial-quality D2S bulbs molded in an H1 socket.

1990 520iM/M50

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