Thread: D1S lights?
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      04-23-2018, 03:55 PM   #20
Jeff@TopGearSolutions
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Drives: C6 Z06, 09 335i, 10 335xi
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Quote:
Originally Posted by biz77 View Post
While my 2011 with ~75,000 miles on the clock had color-shifted to a nice purple hue, the output was significantly lacking. While I went with one of the brightest bulbs available, even swapping out to new OEMs or decent quality aftermarket bulbs would have made a World of difference. I was shocked how much brighter my new bulbs are.
Sounds about right. HID/Xenon tend to drop off in output in about 7 Years with average use.
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