Battery Performance Monitoring Battery Tester Uncovers Fluctuating Trends

Hello, does your battery gauge fluctuate while driving? I do not know what normal operation looks like on the battery meter. I am thinking ... Battery Voltage Meter Fluctuating. Dealer claims it's normal. ... Service claims it's suppose to according to battery needs. Never heard that ... On the way home on a 150 mile drive we noticed the volt meter fluctuate between 12 and 14 volts (I had a fluke meter with me). It was warm ... Yes normal behaviour. In your case, something else is going on. Check your battery post for corrosion. 2023 ... This sounds like one or more cells in the battery are going South. You need to use LeafSpy Pro to get a depiction of the battery cells and the voltage ... You'd have to test the battery monitoring sensor and the battery itself to see if there is actually an issue or not. BUT I can say that the ... It is highly likely that the alternator and/or voltage regulator are the problem. '04 330i ZHP - OEM Clears - ///M Strut bar - CoolantSnitch. I think that's normal. Instead of holding a fixed voltage the BMS drops the voltage during low demand. I suspect it's one of those tricks to ... First, check the battery clamps themselves. Have they been over tightened over the years so they are distorted and cannot tightly grip the ... A good battery with engine off should read 12.5vdc. Your charging system (DIC) when running should read about 14.2vdc.