Looks like BMW Cleveland, Dave Walter BMW and Ganley BMW are advertising e90 oil change @ $79.95
Ganley indicates you need a coupon, BMW Cleveland and D/W makes no mention. Listed under the value service in the service tab on each of their web sites.
07 e92 328xi/Space Gray/Black Dakota /Steptronic/Cold Weather/Premium/Sport/Nav/Xenon/ Style 185's
06 e90 330i/Alpine White/Terra Dakota /Steptronic/Cold Weather/Premium/Sport/CA/PDC/Xenon/Logic 7/Style 162's
06 e90 325i/Jet Black/Black Leatherette/Steptronic/Cold Weather/Style 197's