No biggie, just valve cover gaskets and the round rubber grommets, just replaced mine, the grommets were so hard they felt like metal washers...lol You can do it yourself if your mechanically inclined, the passenger side is easy, the drivers side is a bitch...lol!

__________________
2002 X5 4.6is
1999 C5 Corvette
1992 Mitsubishi 3000GT VR-4
1994 Kawasaki ZX-9R
2005 Mazda 6 Wagon (Wife's)
1991 Mitsubishi 3000GT VR-4