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      04-26-2013, 02:43 PM   #98
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Drives: 2009 E92 335i 6MT
Join Date: Sep 2012
Location: Sterling, VA

Posts: 1,419
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There's three brake light bulbs per side - two W16Ws in the fender, which are the normal brake lights, and one H21W in the trunk lid, which only comes on under hard braking or as a rear fog if you have enabled them. The actual tail/running lights don't use bulbs, they're LEDs.
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