Thread: Battery
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Old 01-10-2013, 12:56 AM
seanlinnn seanlinnn is offline
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Location: SoCal
Join Date: Sep 2012
Posts: 25
Mein Auto: BMW 540i
Did you connect an 18v battery upfront to the OBM (I believe thats what its called) plug? I learned the hard way that while changing a battery in E39's you need to do this or else your electronics and software get messed up. The plug is in the driver seat to the left under the steering wheel.
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