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. This oil catch can kit is compatible with all BMW 135i, 335i, and 535i models with the 3.0L twin-turbo N54 engine.
The Radium Engineering 18-0042 air filter is commonly used for venting engine crankcase vapors, fuel cells, etc. It is compatible with a 3/4" (19mm) barbed nipple.
When separating two hoses, dry break fittings permit a leak-free disengagement while retaining pressure. Radium dry break couplers use a bayonet style lock that will not leak when disconnected nor introduce air upon reconnection.