Quote:
Originally Posted by Audun
Riiiiiight. Just saw that in a video, no you're right. There's nothing on there. What's IBS short for, and what does it do?
Could it break the current, if information isn't sent back from the battery?
Just so damn strange the previous owner supposedly have driven with this with no problem.
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It stands for Intelligent Battery Sensor. Rather than me try to explain (probably incorrectly) read this. I'm not sure your car is even supposed to have IBS.
https://www.youcanic.com/guide/bmw-i...battery-sensor
The first thing I would do is have the battery load tested. A good voltage readout alone doesn't necessarily indicate the battery is ok.
If the battery tests good it sounds like you need to take the car to a mechanic that knows BMW's. Also, as mentioned already, think hard about getting an oil change if you're not sure it was done recently.