K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty and will be THE LAST AIR FILTER YOUR VEHICLE WILL EVER NEED.

Part KN33-2070 Product Specifications
Product Style: Panel Air Filter
Height: 1 in (25 mm)
Outside Length: 9.25 in (235 mm)
Outside Width: 6.875 in (175 mm)
Filter Material: Cotton Gauze
Filter Re-Oiling Amount: 1 oz (30 ml)
Inner Wire: No
Top Style: Open

Filter Cross Reference
Ryco A1413
AC Delco A1414C
BMW 13721730946
BMW 13721744869
Fram CA5350
Mann-Hummel C25114
Mann-Hummel C251141
Mopar MB906051
Napa 6320
Purolator A45105
WIX 46320

2006 BMW Z4 2.5L L6 F/I - US
2006 BMW Z4 2.2L L6 F/I - All
2006 BMW X3 2.5L L6 F/I - Non-US, to 8/06
2005 BMW Z4 3.0L L6 F/I - All
2005 BMW Z4 2.5L L6 F/I - All
2005 BMW Z4 2.2L L6 F/I - All
2005 BMW X3 2.5L L6 F/I - Non-US
2004 BMW Z4 3.0L L6 F/I - All
2004 BMW Z4 2.5L L6 F/I - All
2004 BMW Z4 2.2L L6 F/I - All
2004 BMW X3 2.5L L6 F/I - Non-US
2004 BMW 530I 3.0L L6 F/I - E39
2004 BMW 525I 2.5L L6 F/I - E39
2004 BMW 520I 2.2L L6 F/I - E39
2004 BMW 520I 2.0L L6 F/I - All
2003 BMW Z4 3.0L L6 F/I - All
2003 BMW Z4 2.5L L6 F/I - All
2003 BMW Z4 2.2L L6 F/I - All
2003 BMW Z3 3.2L L6 F/I - All
2003 BMW Z3 3.0L L6 F/I - All
2003 BMW Z3 2.2L L6 F/I - All
2003 BMW Z3 2.0L L6 F/I - All
2003 BMW 530I 3.0L L6 F/I - US
2003 BMW 530I 3.0L L6 F/I - E39
2003 BMW 525I 2.5L L6 F/I - US
2003 BMW 525I 2.5L L6 F/I - E39
2003 BMW 520I 2.2L L6 F/I - E39
2003 BMW 520I 2.0L L6 F/I - E39
2002 BMW Z3 3.2L L6 F/I - All
2002 BMW Z3 3.0L L6 F/I - All
2002 BMW Z3 2.5L L6 F/I - All
2002 BMW Z3 2.2L L6 F/I - All
2002 BMW Z3 2.0L L6 F/I - All
2002 BMW 530I 3.0L L6 F/I - All
2002 BMW 525I 2.5L L6 F/I - All
2002 BMW 520I 2.2L L6 F/I - All
2002 BMW 520I 2.0L L6 F/I - All
2001 BMW Z3 3.2L L6 F/I - All
2001 BMW Z3 3.0L L6 F/I - All
2001 BMW Z3 2.5L L6 F/I - All
2001 BMW Z3 2.2L L6 F/I - All
2001 BMW Z3 2.0L L6 F/I - All
2001 BMW 728IL 2.8L L6 F/I - All
2001 BMW 728I 2.8L L6 F/I - All
2001 BMW 530I 3.0L L6 F/I - All
2001 BMW 525I 2.5L L6 F/I - All
2001 BMW 520I 2.2L L6 F/I - All
2001 BMW 520I 2.0L L6 F/I - All
2000 BMW Z3 3.2L L6 F/I - All
2000 BMW Z3 3.0L L6 F/I - All
2000 BMW Z3 2.8L L6 F/I - All
2000 BMW Z3 2.5L L6 F/I - All
2000 BMW Z3 2.2L L6 F/I - All
2000 BMW Z3 2.0L L6 F/I - All
2000 BMW M3 3.0L L6 F/I - All
2000 BMW 728IL 2.8L L6 F/I - All
2000 BMW 728I 2.8L L6 F/I - All
2000 BMW 530I 3.0L L6 F/I - All
2000 BMW 528I 2.8L L6 F/I - All
2000 BMW 525I 2.5L L6 F/I - All
2000 BMW 523I 2.5L L6 F/I - All
2000 BMW 520I 2.2L L6 F/I - All
2000 BMW 520I 2.0L L6 F/I - All
2000 BMW 323TI 2.5L L6 F/I - All
1999 BMW Z3 3.2L L6 F/I - All
1999 BMW Z3 2.8L L6 F/I - All
1999 BMW Z3 2.5L L6 F/I - All
1999 BMW Z3 2.0L L6 F/I - All
1999 BMW M3 3.2L L6 F/I - All
1999 BMW M3 3.0L L6 F/I - All
1999 BMW M COUPE 3.2L L6 F/I - All
1999 BMW 728IL 2.8L L6 F/I - All
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