Radium Engineering Catch Can Kit, BMW E46 1300537 whether on the track or

whether on the track or the street

choosing 5150 means opting for reliability and performance backed by a reputation for excellence in the automotive industry

or the BMW M54B22 and M54B25 with a 145mm length

closed systems prevent unwanted oil vapors from entering the cabin

Radium Engineering Catch Can Kit, BMW E46 1300537 whether on the track orAn 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