Quote:
Originally Posted by upallnight
I use a solar charger connected to the footwell ciggy outlet to keep the battery maintain since I rarely drive the BMW these days.
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Yes, those solar chargers are great.
My Porsche 911 cig outlet stays alive when the car is powered off. And my old VW Vanagon camper had the same "feature" which I used to connect a solar powered battery maintainer which I left on the dash - very successful application. (so maybe it's a German thing with the outlets staying alive when the car is off) I even modified another (Japanese) car of mine to have an outlet stay alive when the car is powered off so I could do this solar powered trick.
Glad to hear it works well even on the X5, not fooling the sleep management into doing something foolish like I mentioned above.