Thread: Alpina flash
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      02-28-2013, 12:34 PM   #8
jyeah
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Drives: 2010 BMW 335i
Join Date: Jun 2012
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It's a transmission flash that changes when your AT would shift and improves the responsiveness of your shift if you are in manual mode.

http://www.e90post.com/forums/showth...794015&page=15

Look back into an earlier post. They talk about it.
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