UPDATE: SOLD!!!
Wasn't able to use this set since dealer said because I had X-Drive, swapping out my 17s to staggered 18s will cause damage to my diff/transfer case and void my warranty.
Brand new dealer take-offs from a new Z4
4 Rims, 4 Tires, 4 TPMS Sensors, 4 Center Caps
BMW Original Staggered Rims with Center Caps (Retail $1630)
Bridgestone Run-flat Tires with BMW Original TPMS. (Retail $1640)
Mounted and Balanced, ready to bolt on!
Rim Style: 295
Front Rims: BMW part #36 11 6 785 254 18"x8" ET:29
Front Tires: 225/40 R18 88W
Rear Rims: BMW part # 36 11 6 785 255 18"x8.5" ET:40
Rear Tires: 255/35 R18 90W
Tires: Bridgestone Potenza RE050A I Runflats.
Total Retail Value: Over $3200
Asking for $2100, but PM me your best offer.