Billet Crank Lock Kit For S55/N55 BMW M3/M4 F8X

Application
For your N55 /S55 engine, crank bolt won't back out leaving you with 24 bent valves!!  Here is an easy, and cost-effective way to do that.  N55/ S55  crank hub lock .  

Kit includes
What you see is what you get

Condition　
Brand New