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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Cosmetic and Lighting Modifications (exterior/interior) > H7 to D2S Conversion Question



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      04-06-2013, 08:49 PM   #1
sirdaft1
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H7 to D2S Conversion Question

I picked up some Depo headlights locally that take H7 bulbs. They have the crap stock projectors, so I'm planning to swap in the FX-R bi-xenon projectors. Being that I originally had the stock halogen headlights on my E90 (low beams on the outside, high beams closer to the kidney grills)- how do I wire both to the bixenons? Is there a special ballast that lets me plug in both low and high beam wires? Just a bit confused.

And once this is done, what happens to where the high beams previously were? Do they just become useless?
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      04-06-2013, 09:40 PM   #2
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You need: 2x ballasts, 2x d2s adapters from AMP, and a wiring harness.

Bixenon solenoid wires can be tapped into the H7 wire in the highbeam so that both the projector and the highbeam turns on when activated.

Highbeams can still be used as DRL if you wanted.
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      04-06-2013, 10:08 PM   #3
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in for result.

I was planning on doing FX-R Retrofit this summer. Haven't had the balls to open my stock lights though lol.
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      04-07-2013, 03:07 AM   #4
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Quote:
Originally Posted by dominators View Post
You need: 2x ballasts, 2x d2s adapters from AMP, and a wiring harness.

Bixenon solenoid wires can be tapped into the H7 wire in the highbeam so that both the projector and the highbeam turns on when activated.

Highbeams can still be used as DRL if you wanted.
Big thanks. That clarifies it for me.
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