I modified my factory bracket to mount my capcitor, and as result had to take out the whole bracket system. You'll need metric, so its best to go to a local hardware store and not HD or lowes. I don't remember off hand, but try 10mm. I'll doublecheck when I leave later.
<span style='color:gray'><span style='font-family:Courier'>1995 e36 3 Series RIP
1999 e46 3 Series BURN IN HELL
2000 MR-S Roadster= Current</span></span>