Radium Engineering Catch Can Kit, BMW E46

An oil catch can is essential on a performance vehicle to protect the engine from elevated levels of crankcase blow-by accumulated from aggressive driving. Excess oil saturated air circulating back into the air intake stream can lead to degraded performance. Radium Engineering catch cans feature large 10AN ORB ports, a 4AN ORB drain port, 2-step oil separation baffling, and an O-ring sealed dipstick. E46 M3 Catch Can Kit Installation Instructions COMPATIBILITY 00-06 BMW E46 M3 (LHD only)03-04 BMW E46 M3 CSL (LHD only) OVERVIEW The catch can mounts in the RH compartment of the engine bay near the firewall. Thus, it is not compatible with RHD models. It is compatible with early models where the ABS module is mounted in this compartment. It is also compatible with later models that have a secondary PCV system. Radium Engineering's closed loop system does NOT vent to atmosphere (VTA), thus is emissions and track legal. Instead, clean filtered air routes back in through the engine to be bu