E46Fanatics - View Single Post - LEDs in sidemarkers - BEST THING
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Old 01-04-2004, 04:09 PM   #19
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Join Date: Sep 2003
Location: Boston
Posts: 154
My Ride: 2002 BMW M3
They have LEDs in just about every color. This guy on ebay, for example, sells them in a variety of colors - LINK

At only $1.99 a bulb, you can't go wrong!

I'm also uncertain why the LEDs behave so strangely. My guess on why it stays lit is that since it consumes signifcantly less power than halogens, when the halogens go out, there is still some current left to 'power' the LEDs.

As for DIY, this is REEEEAL easy. Just pop off the sidemarker, twist the old bulb out, put in the LED ones, then pop the sidemarker back in. I think there's even a video DIY on bimmian's site. You can also check www.bmwm3.org which has a detailed DIY section on changing the sidemarker (which should apply to all E46s as well).
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