This HowTo walks you though removing the instrument cluster on a BMW E90, E91, E92, E93, M3 (2006 - 2013) for the purpose of replacement or cleaning. Perform at your own risk: As a precaution, you may want to disconnect your battery. I did not....
UPDATE: Just had the DCS unit replaced this week. It had a fault code. So far, no problems.
The day after I took delivery on my 2008 BMW 335i, I've encountered this issue periodically.
I've got comfort access, so the flob is in my pocket.
1. With the c...