N54 Vacuum Side Oil Catch Can For BMW 135i, 335i, 535i, 1M (E Chassis) Options:Without BOV adapter and without OCC Built with a black powder-coated

Built with a black powder-coated inlet pipe and heat shield

*For the Infiniti Q50/Q60 JB4 platform connect the white or blue wire to position #4 on the JB4 25 pin harness

This is only recommended if you already have a turbo upgrade or plan on installing one in the near future as it can cause a slight pressure drop on the OEM IS20

They use special firmware (with full dash control) and have a different CAN mounting location

N54 Vacuum Side Oil Catch Can For BMW 135i, 335i, 535i, 1M (E Chassis) Options:Without BOV adapter and without OCC Built with a black powder-coatedThe BMS vacuum side N54 OCC works in conjunction with our world famous boost side N54 oil catch can to prevent engine oil and PCV gunk from coating your intake valves and hurting engine efficiency under engine vacuum operation. Our boost side OCC separates oil traveling through the PCV while the engine is operating under boost pressure (e. g. heavy throttle) and our vacuum side OCC separates oil traveling through the PCV while the engine is operating