Quote:
Originally Posted by tophcfa
I own a Beamer as well, great cars to drive but way over engineered. So many dam computer chips and sensors that frequently go on the fritz. Plus, all these electronic devices draw a small current when the car is parked, which drains the battery. When I park the car for any extended amount of time, I always disconnect the negative battery terminal and put it on a trickle charge.
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I agree in general, but I will say that my wife's car, a MB SUV with similar over the top engineering , had the original battery for 7 years and 90,000 miles. I had it changed just out of general principle, since I figured it had to go sooner or later. And it was an Interstate (good brand) not some fancy Mercedes $500.00 battery.