For my 2003 C230K sedan i didnt buy the xenons headlights but i bought 2 pairs of H7 Piaa Super Plasma bulbs.
I installed both of the pairs but why does the high beams still appear yellow instead of the white/blue color?
I wanted to match the colors for both high and low beams.
Does anyone have any ideas?

thanks in advance
mig888

If I'm not wrong, the car uses a separate high-beam / low-beam bulb. So you will have to buy another pair of bulbs for the high beams in your desired color.

They are probably H7s or H1s

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2008 BMW 335i Coupe