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Old 11-06-2012, 11:39 AM
GabesJH82 GabesJH82 is offline
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Location: California
Join Date: Jan 2012
Posts: 294
Mein Auto: 2002 BMW 530i
E39 fuel gauge malfunction?

My fuel gauge reads fine when on full but when I reach 1/4 it tends to wonder to 3/4 then to 1/4 being off. I test the obc on my cluster and it reads fine. Any ideas how I can test the sending unit just to make sure thats the problem? And what should the specs be for a good sending unit or bad unit? So far I have tried the technron cleaner and didnt work and I also pulled out the unit to inspect and clean as well but nope no luck yet. Anyone experience this issue and how ya got it fix?
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