Battery in engine compartment
WARNING: This page is about a different car, the 2003 BMW 525i, 2002 BMW 525i, 2001 BMW 525i, and 2000 BMW 528i. However, it is still accessible from the selected car via links, so may be relevant.
Safety battery terminal is replaced with cable up to battery positive support point.
Safety battery terminal is omitted as from 03/2002 from all E46 LHD models with 4-cylinder engines.