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Amazon.com: K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower: Compatible with 2.0L/2.5, L6, 1986-1993 BMW (320i, 325i, 325iX, 323i), 57-0070 : Automotive
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Amazon.com: K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 10HP: Compatible with 2.5L, L6, 1999-2005 BMW 3 Series (325Ci, 325i, 323 Ci, 328Ci, 328),57-1002 : Automotive
Electrodyne, Quality Motoring Accessories: Cold Air Intake w/heat shield for BMW 520i/523i/525i/528i E39 1997-03
Amazon.com: K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 10HP: Compatible with 2.5L, L6, 1999-2005 BMW 3 Series (325Ci, 325i, 323 Ci, 328Ci, 328),57-1002 : Automotive
Amazon.com: K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 10HP: Compatible with 2.5L, L6, 1999-2005 BMW 3 Series (325Ci, 325i, 323 Ci, 328Ci, 328),57-1002 : Automotive
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Amazon.com: aFe Power Magnum FORCE 54-11572 BMW 525i/530i (E60) Performance Intake System (Oiled, 5-Layer Filter) : Everything Else
Amazon.com: K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 11HP: Compatible with 3.0L, L6, 2001-2005 BMW 3-Series (330Ci, 330i, 330Xi), 57-1001 : Automotive
Electrodyne, Quality Motoring Accessories: Cold air intake for BMW 323i/328I E46 99-00 on w/integral heat shield
Amazon.com: K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 10HP: Compatible with 2.5L, L6, 1999-2005 BMW 3 Series (325Ci, 325i, 323 Ci, 328Ci, 328),57-1002 : Automotive
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Electrodyne, Quality Motoring Accessories: Cold air intake fits BMW 325i E46 2000 on w/integral heat shield
Electrodyne, Quality Motoring Accessories: Cold Air Intake with Heat Shield for BMW Z4 with 3.0i M54 motor 2002-05
Amazon.com: K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 11HP: Compatible with 3.0L, L6, 2001-2005 BMW 3-Series (330Ci, 330i, 330Xi), 57-1001 : Automotive
Amazon.com: K&N Cold Air Intake Kit: Guaranteed to Increase Horsepower: Fits 2008-2016 HARLEY DAVIDSON (Road King, Ultra Limited, Street Glide, Freewheeler, Road Glide, other select models)57-1131 : Automotive
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Magnum FORCE Stage-2 Cold Air Intake System w/Pro 5R Filter Media | aFe POWER
Amazon.com: K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower: Compatible with 2.0L/2.5, L6, 1986-1993 BMW (320i, 325i, 325iX, 323i), 57-0070 : Automotive
