Thanks boys, I think 21's are the best too. My car wash time has increased by 15min making sure the wheels are completely clean haha. That's ok though. It's worth it!
'07 650i Black on Black with Exec Pack, Alpina Front Lip, H&R Springs, 21" Alpina B7 Wheels, AFE CAI, Custom Air Scoop, Full Resonator Delete with X-pipe, Blacked out Grill, Tinted Eyebrows/Sidemarkers/Reverse Lights, Mtec V2 Angel Eyes, Bimmian Bulb Upgrades for DRL and Fogs...