I just had to get my battery replaced. Was no longer holding a charge, only 12,000 miles. Biggest problem is that my commute is a whopping one (1) mile, and try as I might to mix in some longer distance driving when possible it's just not enough to keep the battery charged. So a timely thread, was wondering if there were any recommended battery tenders/chargers. Will check those out and pick one up. Not much I can do about my commute, and I'd rather have an hour to work out than having to drive my car around extra.
2012 E70 X5d (IT'S HERE!) Deep Sea Blue / Sand Beige, Premium, 3rd Row, Multi-Contour
2011 E93 335i Deep Sea Blue / Oyster, Step, Premium, Convenience (PDC & CA), and that's it
more pics here