battery draining

2nd alternator I've went through I'm convinced it's the battery..so what's everyone recommend ...battery was at 11v while driving today and the red battery light came on

Something is draining my battery. After I got it jumped, I tested the voltage and it was over 14.1 so I'm pretty sure its not the alternator. I tested for an amperage drain and when the car was off it read 3.8 mA. Thats pretty normal phantom drain for a car with the cabin lights on and the...

Hello. I've had issues with my battery dying over night. I own a 00' 328i. 113kmiles. I've owned it for 10k miles. Ever since I've owned it, the battery has died on me every 3-4 or 5-7 months. I replaced the battery in the beginning after it happend the first time and the problem went away for 6...

so i bought a used 323i. and I previously found my battery dead so bought a new battery because i wanted to do some preventitive maintainence . so today i went to replace my spark plugs and i took off the engine cover and found that the previous owner of my car has wired the fuel injectors...