If the battery is brand-new and I would suspect either the alternator is defective or you have a lightbulb somewhere on the vehicle that is pulling power from the battery. It can also be a relay that is stuck.
Mine had an alternator problem not putting out 14 v
in the trunk
what year? And what power of alternator is it? Adamski (adam.francis@snowsgroup.co.uk)
under back seat
under the back seat
think in trunk
ask that @ a BMW shop i had the same prod with mine
in trunk, right side of rear panel.
My 2002 525i BMW has the same reading on my dash and my car won't even turn over even though the battery and spark plugs are new and the alternator checked out fine. I have no idea what's going on either.
Behind the right-side hatch in the trunk compartment.
on a 2002 it in the trunck where the battery is located on the right hand side
where is the horn fuse for BMW 525i