General Battery Hints

WARNING: This page does not describe the selected car, but rather 208 other vehicles, including the 2010 BMW Z4, 2010 BMW X6 M, 2010 BMW X6, 2010 BMW X5 M, and 2010 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Add only distilled water NEVER TOP OFF WITH ACID.
Keep electrolyte level above plate separators.
Keep battery top clean and dry.
Keep open flame and metal objects away from battery top and terminals.
Keep vent caps tightly in place (if applicable).
Use proper charging equipment.