Sunroof Water Drain
I heard the Sunroof water drain clogs with leaves and the blocked water drains into the trunk and causes
the electrical fuse to short. Has this problem been fixed in 2012 and 2013?
Hate to say this but this issue can occur with any model with a sunroof they all have drains and all can be come clogged. Personally of all the f10 5 series I have seen only one every had a clogged drain and this person always left the sunroof open to the elements. I really wouldn't worry about besides that car is an awesome vehicle.
User neglect is the single largest issue with any vehicle, especially those with sunroofs. If that is your worry, opt for no sun roof. Problem solved.
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