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The 2018 BMW 430i Convertible has its battery positioned on the passenger's side of the trunk, concealed behind a trim and carpet access panel that can be easily removed with a simple twist tab. Once you access the battery, you'll notice it's securely in place but still conveniently reachable, especially in a convertible. If you ever need to jump-start the car or replace the battery, it's quite a luxurious setup. When it comes to installing a new battery, you'll need a group size H8 with a recommended cold cranking amp (CCA) of 850 or higher. Plan on spending at least $175 for one, as these batteries aren't cheap. Just remember that owning a German-engineered car comes with its costs, so smile as you make the investment!
The 2018 BMW 430i convertible has its battery situated on the right side of the trunk. That's where you'll find it if you need to give it a jump or replace it.