BMW E46 Battery Replacement and Connection Notes| BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article
BMW 5 Series Car Battery Location | Advanced Battery Supplies
Does the G20 have a Li-ion or AGM battery? - G20 BMW 3-Series Forum