I'm paranoid about screwing up the computer on my GSA, I was literally afraid to just walk into any auto parts store and ask for a battery. What a surprise the only batteries the BMW dealer had down at the rally were the $200 ones. Ha.. Then they only have one for a 1150, but say, no problem, you'll be fine. I don't know. It's supposed to be 30 tonight, I'll see if it starts tomorrow.