WK533 (or WK 533) is a premium, high-pressure inline gasoline fuel filter manufactured by MANN-FILTER. It is a long, cylindrical metal canister explicitly engineered for high-revving, classic performance BMW M models built in the early-to-mid 2000s. (gar2-Y2)
- 3 Series (E46 Generation): 2001–2006 BMW M3 Coupe & Convertible (3.2L S54 Inline-6 engine).
- Z3 Roadster / Coupe (E36/7 & E36/8 Chassis): 2001–2002 BMW Z3 M Roadster & M Coupe (Fits models updated with the 3.2L S54 engine)