No hardware. Comes with just what you see in picture. 

BMW Engine Crankshaft Pulley - Genuine BMW 11237567055 Vibration Damper

Fits These Cars

2006

BMW X5

2007 BMW X5 4.8L V8 Engine Crankshaft Pulley

Incl.Engine Harmonic Balancer

2008 BMW X5 4.8L V8 Engine Crankshaft Pulley

Incl.Engine Harmonic Balancer

2009 BMW X5 4.8L V8 Engine Crankshaft Pulley

Incl.Engine Harmonic Balancer

2010 BMW X5 4.8L V8 Engine Crankshaft Pulley

Incl.Engine Harmonic Balancer