5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
I am having a problem with the OBC readout - odometer, info and gear selection. The display will go crazy for no reason when I am driving. It will display random letters and scroll from right to left. The only way to reset/fix it is to stop and restart the engine.
The other instruments (speedo, tacho etc) on the cluster are fine.
The readout from the OBC display in the centre console area is fine, so it must be a problem in the instrument cluster.
Could this be the capacitors about to go or could it be the AA batteries???
What do the AA batteries do? Are they just used for the SIL?
What car is it exacty ? For AA batteries I think your thinking of early electronic dashboards of the 1980s, like E28, E30. These had re-chargeable NiCad batteries that eventually leaked all over the printed circuit, corroding it and making it useless. The E46 has no such batteries.
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