Irregardless of which "side" we are on, it's the dealer service that holds the cards, If they know you had an aftermarket bulb in there, whether or not it caused the problem, you'll not likely get it covered. Such is life, and the risk one takes with aftermarket stuff.

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Richard
Sir Snaps-a-lot, 9 Time Dragon Slayer (54 runs!)
2011 X5 50i Alpine White, Biege Nappa /Lt Poplar M Sport
2009 Z4 35i, Black Sapphire/Ivory-Black/Anthracite

Gone but not forgotten: '08 550i, '06 X3, '06 650i, '02 M5, '99 540i