From What I can tell you need the following parts (everything in orange is transferable from your existing bumper).
BEAM, Front Bumper - 68196999AA
2 FASCIA, Front, Paint as Required - 68197698AA
3 AIR DAM, See Illustration 240 - 68033135AA
PUSH PIN - 68053681AA (x13)
BRACKET, Fascia Left - 55277481AC
BRACKET, Fascia Right - 55277480AC
REINFORCEMENT Front Bumper, Center - 68104942AC
BRACKET, Fascia Support Right - 68104944AC
BRACKET, Fascia Support Left - 68104945AC
BOLT AND CONED WASHER, Hex Head, M6x1.00x30.00 -
- 06104370AA (x2)
- 06104370AA (x4)
- 06104370AA (x4)
- 06104370AA (x2)
PANEL, CLOSEOUT - 68207015AA
ABSORBER, Front Energy, Center Reinforcement - 68145441AA
NUT, Hex, M12x1.75 - 06101678 (x6)
PUSH PIN, M6.3X22.80 -
- 06502871 (x2)
- 06502871 (x6)
- 06502871 (x4)
- 06502871 (x2)
- 06502871 (x6)
- 06502871 (x4)
- 06502871 (x4)
- 06502871 (x4)
SCREW, Tapping Hex Flange Head, .250-14X.750, Front Plate Screw - 06034866 (x2)
NUT, Snap In, .25, Front Plate Nut - 06027958 (x2)
PAD, LICENSE PLATE MOUNTING, Front Plate Pad - 05109628AA (x2)
PAD, LICENSE PLATE MOUNTING, Front Plate Pad - 05109628AA (x6)