The S50 engine has a bore of 86 mm and 0

An all-new compressor cover design with flow enhancements and advanced machining techniques provides 15% more airflow and greater efficiency at higher pressure ratios

-Effectively raises fuel octane and increases performance with cleaner intake air-Prevents oil buildup in the throttle body

offering peace of mind during high-RPM operation

full load top speed endurance testing on the German Autobahn

Radium Engineering Catch Can Kit, BMW E46 2004 The S50 engine has aAn 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