Yes, you can buy the Stage I Power Performance Kit that doesn't require the hardware bits from the Stage II from your dealership.
Current: '09 E92 M3 | Space Gray, Black Novillo, Carbon Leather | ZTP 2MK ZPP 2MT 6FL | link 1 / link 2
Mods: M Performance exhaust | ZCP suspension retrofit | Euro airbox | LCI Euro taillights | Style 359M wheels | CRT lip | BMW Performance: Mk. II spoiler / Mk. II non-electronic steering wheel / mirror caps / front grilles / side gills / intake louvers / emblem | OEM alarm retrofit | Space Gray bumper plugs
Gone: '01 "AP2" Honda S2000, '97 Ford Probe GT