Gauges behaving strangely when starting my F30 - Bimmerfest - BMW Forums



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  #1  
Old 02-12-2020, 05:39 AM
SirSlothXCI SirSlothXCI is offline
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Mein Auto:
Hello everyone!

I bought a used 2014 F30 about 8 months ago and recently I've noticed a strange phenomena occur when starting the car.

The gauges on the instrument cluster make a kind of rattling noise and do not move for the first 3 seconds after the car is started. Afterwards, they kick into position as normal. This occurs especially when the car has not been started for a few hours, eg overnight.

At other times, if the car was recently driven, the gauges work normally. I have attached a brief video to provide you with some clarity. Looking forward to hearing your opinions as to what might be the cause?

Bad battery? Bad instrument cluster?

Link to video: https://gofile.io/?c=ZPVx67

Last edited by SirSlothXCI; 02-12-2020 at 06:07 AM.
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  #2  
Old 02-12-2020, 06:23 AM
carlson2005 carlson2005 is offline
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My guess would be a battery issue with low voltage, or the power connection to the gauge cluster. Is it worse in cold weather?

Most newer cars use gauges that are not directly connected to the sensors, and they may have multiple computers (engine management computer vs. body control computer, etc.). The computer gets readings from the sensors and then transmits the reading to the gauges. It sounds like the car is starting fine, but the computer's output to the cluster is delayed. I guess it could be a computer problem, but it seems that would also make the engine run badly at startup.

Bruce
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Old 02-12-2020, 07:34 AM
mr_bean mr_bean is offline
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My Mini Cooper (a BMW product) does the same thing when the battery is weak.


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  #4  
Old 02-12-2020, 08:33 AM
Our BMW Our BMW is offline
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Try charging the battery overnight with a trickle charger. If it fixes it, keep an eye on your battery.
Short trips during the cold months tend to be bad on the battery.
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