 Electrical drain
So, I've heard that BMWs are known to continuously pull a charge from the battery, and if you're going to let them sit for an extended period of time you need to keep some outside charge hooked up or disconnect the battery to avoid draining the battery. Since my car is probably going to be sitting for a while waiting repairs, how often should I go out and start it up and let it run? Right now I've been starting it every other day and letting it run for about 5 minutes. Is this enough, not enough, more than enough? I just don't want to get stuck with a dead car before getting it fixed.
Justin | 
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