Talk to EAS about it... We don't know whether they will take them back. I would expect that they would if they sent you the wrong part.
Btw - you should never put grease of any kind on lug bolts. The torque spec for lugs is a "dry" spec.
'08 E90 M3 - Alpine White - Sold
'13 E92 M3 - Silverstone II - Sold
'04 E46 M3 - Jet Black - BBS E88, KW Clubsports, Brembo BBK, SuperSprint Exhaust