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I put "Daywalker" H7 LED's in my E90 LCI for both high and low beams. They're about the same brightness as a standard halogen; no wild five or six figure claim for output lumens. A few things that led to this choice: No fans or braids for cooling, and no need for external "drivers" so the cap to close the back of the headlight remains intact. These have three LED elements in a triangular pattern so the output is uniform around the bulb instead of being radiated out in only two directions, and there's a circular "cap" at the top of the bulb so all output does go out into the reflector and not directly forward.
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