Terracotta, hands down.
I had the natural brown in my e46 and miss it every day, which was the older equivalent.
Alpine White or Jet black + Teracotta = wow.
2008 135i | AW | Sport Package | Premium Package | 19" Matte Black CSLs 225/35r19 | Comfort Access
Adaptive Xenons | Nappa Leather | Heated Seats | Power Folding Mirrors | Rain Sensor | Clear Bra | Mint