Aren't you planning no replacing the E46? If so, I wouldn't bother with changing the headlights or bulbs. If you decide to keep it, you can go with brighter bulbs as The Cleaner stated but there's a point when it's just like having your high beams on all the time. You can try different brands like Hoen, Sylvania, or PIAA to get a slightly whiter light. Or you can try to get a xenon retrofit kit. I have been quite happy with my Hoen Xenonmatch foglights for the X5.

Good luck!

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