316i - N43 B16 A, N43 B16 AA, N45 B16 A, N45 B16 AC. 3 Series (2005-13) E90 E91 E92. Oil Sump with Drain Plug. 320i - N43 B20 A, N46 B20 B, N46 B20 C, N46 B20 CC, N46 B20 CD, N46 B20 E. 318i - N43 B20 A, N46 B20 B, N46 B20 C, N46 B20 CC, N46 B20 CD, N46 B20 E.
