Ramair Performance Foam Replacement Air Filter for BMW 3 Series E46 316i 318i Link ECU The engine displacement increase is

The engine displacement increase is made possible with the forged full counter crankshaft that has an extended 5mm stroke design

You will save hours of tedious labor & frustration and retain the critical proper factory set backlash & gear mesh pattern

the drivetrain will deteriorate drivability and induce a decrease

not only provide stopping power

The scoops keep intake air temperatures lower and steadier when you drive hard

Ramair Performance Foam Replacement Air Filter for BMW 3 Series E46 316i 318i Link ECU The engine displacement increase isThis is a replacement panel filter for the BMW 3 series. For a full list of fitments see compatible list below. BMW 3 Series 316Ci 2002 2006 BMW 3 Series 316i 2002 2005 BMW 3 Series 316ti 2002 2005 BMW 3 Series 318Ci 2001 2007 BMW 3 Series 318i 2001 2005 BMW 3 Series 318ti 2001 2004 Features High Performance, MAF Safe, twin layer, fully reticulated foam Fits in the OEM Airbox and replaces inefficient paper filter Easy to clean using our filter