Thanks for the replies, the offsets I quoted were given to me by the parts dept at my dealer, figures that they were wrong.
2012 535XI , White/Black M Sport PKG,Executive PKG,Tints.
2011 535I, Graphite Grey/Oyster, Exec Pkg,Tints-Retired.
2006 MB E500 4 Matic - Retired
2004 545I -Retired