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Old 10-31-2012, 06:08 AM
mrcamp mrcamp is offline
Officially Welcomed to the 'Fest
Location: Chicago burbs
 
Join Date: Feb 2011
Posts: 288
Mein Auto: 2011 535 IX - March build
There are several threads on this issue here. Bottom line - you need a battery tender. I drive mine only on the weekends as well, so I use a battery tender. See link below.

http://www.amazon.com/Battery-Tender...=pd_sim_auto_1
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2011 BMW 535i Xdrive (3/2011 build), Space Grey/Black Dakota, premium 1&2.
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