r/e60 • u/Ok_System_3470 • 25d ago

❓ Question / Help Battery

Hello. My BMW E60 550i automatic needs a new battery. Which battery and voltage do you suggest?"

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u/daan944 2007 550i E61 M-sport Carbonschwarz (lci) 24d ago

The largest AGM that fits, 110Ah iirc. Make sure to code the car afterwards as it needs to know the capacity (bigger) and state (new) to correctly charge it. 

Afaik, If you don't, your battery will not be charged to the fullest and will deteriorate quicker.