88 M5 INSTRUMENT CLUSTER REFURB. ELECTRICAL ISSUE
Posted: Dec 12, 2023 10:07 PM
Hi,
I noticed a draining battery and one "history" bar that was red and one that was green that both remained on when the car was off. A mechanic diagnosed a bad instrument cluster, so I had the instrument cluster refurbished and was told that the batteries were replaced. When I got it back all was good. The permanently red and green history bars were gone. I "SEEM" to remember? that when I got it back I had several lit green bars, but now the only time I see green lit bars is when I put the key in and am starting the car up. Once running, I no longer see any lit green history bars.
Are the green history lights supposed to be on when running after an instrument cluster refurbishment with replaced batteries? The reason I ask this question is that the battery drains dead after 2 days of no running. I brought the battery back from the dead with a charger, but I wonder about the battery which is only 1.5 years old holding the charge.
All the cluster instruments are fully functional ( they were on/off intermittently before the refurbishment) but no green history lights. I understand that some refurbs of the instrument cluster bypass the batteries with the result that there are no history lights anymore, but mine supposedly had replaced batteries. If that is the case, shouldn't I see some lit green history tabs?
I noticed a draining battery and one "history" bar that was red and one that was green that both remained on when the car was off. A mechanic diagnosed a bad instrument cluster, so I had the instrument cluster refurbished and was told that the batteries were replaced. When I got it back all was good. The permanently red and green history bars were gone. I "SEEM" to remember? that when I got it back I had several lit green bars, but now the only time I see green lit bars is when I put the key in and am starting the car up. Once running, I no longer see any lit green history bars.
Are the green history lights supposed to be on when running after an instrument cluster refurbishment with replaced batteries? The reason I ask this question is that the battery drains dead after 2 days of no running. I brought the battery back from the dead with a charger, but I wonder about the battery which is only 1.5 years old holding the charge.
All the cluster instruments are fully functional ( they were on/off intermittently before the refurbishment) but no green history lights. I understand that some refurbs of the instrument cluster bypass the batteries with the result that there are no history lights anymore, but mine supposedly had replaced batteries. If that is the case, shouldn't I see some lit green history tabs?