Hello, during my vacation, I left my E30 parked for about 3 days and forgot to disconnect the battery. Well, after only three days 
the battery was discharged.
Perhaps, it was not that good, however there was clearly something.
So I began some measurements and found out that something in the cluster absorbs current.
With the negative cable disconnected from the battery, I measured, between negative post and ground, about 70mA. When I disconnect the blue connector of the cluster (Motometer), the residual current is about 4mA.
What does that connector connect? What can I check in the cluster?
I need to reduce the circle of the possibilities as much as I can, I'm worried about problems to the cluster...
the battery was discharged.Perhaps, it was not that good, however there was clearly something.
So I began some measurements and found out that something in the cluster absorbs current.
With the negative cable disconnected from the battery, I measured, between negative post and ground, about 70mA. When I disconnect the blue connector of the cluster (Motometer), the residual current is about 4mA.
What does that connector connect? What can I check in the cluster?
I need to reduce the circle of the possibilities as much as I can, I'm worried about problems to the cluster...
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