[M3 Number 86]

Originally Posted by JP10

Below thread has some info, I believe I went with the duralast platinum H8-AGM when I did mine. You can save some dough at autozone.

https://www.m3post.com/forums/showthread.php?t=1194030

Picture of your car looks track oriented, so you may want to consider a light weight boi. Peep the below thread, has some info.

https://www.m3post.com/forums/showthread.php?t=1206922

Thanks going with a z4m size.