Myth about E30 instrument cluster service interval board aka SI board batteries

For E30 instrument cluster service please contact us via email
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[@felipestipanicic9054]

Can you Connect the temp gauge direct? Or do you need the board

[@omaraltaani9510]

Welcome . I have a problem with the rpm gauge and throttle gauge. Sometimes only the rpm counter works. The battery has been changed. And the problem still remains

[@john_singh]

How can we do this? Looking for a bypass, thanks

[@jaytube2697]

What connector and pin controls the speedometer (how fast type traveling) Do you have any tips on how to test the speedo works on the cluster?

[@gilanggumelarb]

so what is the function of the battery for?

[@e30base95]

Retain the function for service interval indicators

[@marcghawi8194]

battery cause the malfunction with time they leak acid better to remove them and the board will last for ever

[@RTAE86]

I seriously never understood why that cluster needs batteries since it has no clock and no digital quilometer/miles

[@e30base95]

There is actually a clock running all the time for the service interval indicator. The batteries are used to retain the service interval function when the car's battery is dead.

[@RTAE86]

@@e30base95 thanks!! I've learned something new today 😁 I seriously had no idea why the batteries were needed.