Do I need to do something ASAP if the battery light went on, yet the car is working.

Asked by Oct 21, 2012 at 11:20 AM about the 2000 BMW Z3 2.3 Roadster RWD

Question type: Maintenance & Repair

Light went on yesterday afternoon and I've still been able to turn on the car and drive it even with the light staying on.

6 Answers

6,935

It means your battery is not getting the full amount of charge -- it is also a charge light. It usually means that the alternator is going bad.

Best Answer Mark helpful
20

same answer as above............check the alternater as soon as possible. if your not getting a charge, your battery will eventually run down

1 of 1 people found this helpful.
3,395

While it could be the alternator, you could also have a bad cell in your battery. When was the last time you had it changed? Personally, I got nearly 12 years out of original factory unit.

4,795

Charging system issue, normally caused by bad alternator not a battery. The battery may still be damaged from the alternator not charging it though. Put a volt meter between the two posts on the battery is should read 13 to 14.8v if its lower then 13v with vehicle running then you have a charging system issue. Hope this helps.

3 of 3 people found this helpful.
2,195

If you are still driving the car around, make sure you trickle charge the battery overnight every night to avoid being stranded by a dead battery!

9,015

auto zone, advanced, chain parts stores, check the charging system for free, allow them to diagnose which is at fault, could be corrosion on a connector, many possibilities, I don't recommend buying the parts from there, as it is a Z, but gives you a place to start,

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