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BMW E90 3 Series Battery Replacement With Registration & Coding. Switch From 90 AH to 80 AH - YouTube
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Just replaced my battery on a 2010 E90. Does it need reprogramming? Not sure it has the power management system? : r/BmwTech
battery connection for an amp - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
Need help on last part of Audio amp setup where do you hook up positive on battery? - BMW 3-Series (E90 E92) Forum
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E90 dying overnight - 30g relay? - BMW 3 Series Forum - Bimmer Owners Club - BMW Forum for BMW Owners
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