Give us a clue Anyone know what size the Allen head bolts are that hold the...

..Give us a clue?,,,, Anyone know what size the Allen head bolts are that hold the exhaust heat shield on M3/M5?? Just replaced my exhaust and I need 2 longer bolts . cheers

3 comments
  • 4mm

  • Cheers James, tho it was the thread size i was after not the head

  • Oh. That I do not know. I would just take one to the store with me.