Festivus yes, bagels no..
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|3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.|
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Originally Posted by Raymond
So, I pulled the SI board and the oringinal Varta batteries were in there and marked Pos & Neg. I metered them and found one batt. delivering 0.4 V. I removed them and wired in the Radio Shack carrier and put in two Lithium-Ion AAs. I am getting the proper voltage, but the guages are still screwed up. Tach barely moves, fuel guage starts off fine then at 1/4 tank drops to 0.
Is the SI board toast, or would it be worthwhile to replace the fuel economy sender?
1989 325i Cabriolet
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