 go to the shop it is well that's the joy of owning a bmw you know when they get when they get out of warranty and they're they're there's not everybody can just jump in and look at them and i would say on a car like this with all the electrical load i definitely use an agm battery but you've already got an agm battery in a bmw like this so that thing should last you a good long time we'll be back we're gonna take a quick break you're listening to the under the hood show