$900 for a new VCG, filter and an oil change?!?! Holy shit you got hosed as hard as by a dealership. Unbelievable.
That place sounds like its run by crooks. You should've price shopped vs. other places, you'd have seen wtf was going on. Wow!
'02 ///M5 Imola Red / Imola Red '09 335i Alpine White / Coral Red