The S50 engine has a bore of 86 mm and 0

2013–2016 F34 320i GT

Is compatible with the simple fuel cap (Radium 20-0548-V Fuel Cap

but for minimal weight to not disrupt the iconic chassis balance of the M3

Re-torque the studs after the engine has started and cooled to room temperature to ensure proper gasket compression

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