I have had several dealers and specialists look at this car. But for some reason can't determine what causes the battery to drain so fast. Yes, I have new battery, all fuses checked, now what.
BMW problem - 2001 325i, battery drains too fast Help?systemworks
How much time is elapsed between engine start ups? How far are you driving in the average trip? Are you driving mostly at night with all lights, heater, CD player, etc all playing at once? Try turning off all accessories except for the lights which you will need for nighttime driving. If your battery holds up well enough to start your car every other day with no accessories running, then try eliminating one accessory at a time by turning it on for a couple of days to see which accessory is causing the battery drain. Some of the newer cars have many accessories that cannot readily be switched off. Like for example: a heated windshield, or a heater fan, or some night light somewhere. Look all around your car; something will not be working or not working correctly. If no load problems are found, you can go to an auto electric shop and have your new battery LOAD TESTED. It could have an internal short circuit causing a serious current drain and eventually a no start situation. A defective new battery should have a 100 % warranty for at least 12 months. I once had a trunk light that never shut off, and it would drain the battery in a couple of days if the car was not being driven regularly.
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