BMW 323i Air Filter

K&N HIGH FLOW DIRECT FIT AIR FILTER, RED, SOLD INDIVIDUALLY -- 50-state legal; Provides 1 to 4 h.p. power gain; 96 to 99 percent filtration efficiency; 1 in. height, 9.25 in. outside length, 6.875 in. outside width; Oiled element; Panel style; Made of multiple interwoven layers of surgical cotton gauze; Increases horsepower and acceleration while providing excellent filtration; Custom designed to fit into existing air box and features a drop-in design which means adding performance is simple; Provides high air flow with excellent filtration; Economical and environment friendly; Works with OEM vehicle electronics; Will last the life of your vehicle; Washable and reusable; Lasts up to 50,000-mile before cleaning is required depending on drive condition; With K&N's limited million mile warranty.

Fits the following 1998 BMW 323i submodels:

• 1998-1998: Base; 6 Cyl 2.5L;

K&N HIGH FLOW DIRECT FIT AIR FILTER, RED, SOLD INDIVIDUALLY -- 50-state legal; Provides 1 to 4 h.p. power gain; 96 to 99 percent filtration efficiency; 1.063 in. height, 9.375 in. outside length, 6.875 in. outside width; Oiled element; Panel style; Made of multiple interwoven layers of surgical cotton gauze; Increases horsepower and acceleration while providing excellent filtration; Custom designed to fit into existing air box and features a drop-in design which means adding performance is simple; Provides high air flow with excellent filtration; Economical and environment friendly; Works with OEM vehicle electronics; Will last the life of your vehicle; Washable and reusable; Lasts up to 50,000-mile before cleaning is required depending on drive condition; With K&N's limited million mile warranty.

Fits the following 1999-2000 BMW 323i submodels:

• 1999-2000: Base; 6 Cyl 2.5L;

K&N HIGH FLOW AIR FILTER, ROUND TAPERED -- OD 6, Flange Length 1 7/8, Flange ID 3, A High Performance Washable And Reusable Filter That Lasts Longer, Made With Ultra-Strong Molded Pliable Rubber Flanges Which Absorbs Vibration, Allows Secure Attachment And Can Be Stretched Up To 1/16 To Fit In-Between Sizes, With Manufacturer's Limited Million Mile Warranty

Fits the following 1999-2000 BMW 323i submodels:

• 1999-2000: Base; 6 Cyl 2.5L;

K&N HIGH FLOW AIR FILTER, ROUND TAPERED -- OD 5.75', Flange ID 3.25', Flange Length 0.75', A High Performance Washable And Reusable Filter That Lasts Longer, Made With Ultra-Strong Molded Pliable Rubber Flanges Which Absorbs Vibration, Allows Secure Attachment And Can Be Stretched Up To 1/16 To Fit In-Between Sizes, With Manufacturer's Limited Million Mile Warranty

Fits the following 1999-2000 BMW 323i submodels:

• 1999-2000: Base; 6 Cyl 2.5L;

FRAM EXTRA LIFE AIR FILTER, YELLOW -- 2.22 in. height, 7 in. width, 9.59 in. length; Dry element; Flexible panel style; Made of high quality paper material; The first air filter to utilize two integral filtering elements; Protects the engine and provides more airflow for improved performance; Helps prevent damaging particles from entering the engine and causing increased engine wear; Lasts 50 percent longer and stops 50 percent more dirt than any other brand; With Fram's limited warranty.

Fits the following 1999-2006 BMW 323i submodels:

• 1999-2000: Base; 6 Cyl 2.5L; "GAS, FI, M52"
• 2006-2006: Base; 6 Cyl 2.5L; "GAS, FI, N52"

FRAM EXTRA LIFE AIR FILTER, FLEXIBLE PANEL -- 2.22" Height, 7" Width, 9.59" Length, Protects The Engine And Provides More Airflow For Improved Performance, Helps Prevent Damaging Particles From Entering The Engine And Causing Increased Engine Wear, Lasts 50% Longer And Stops 50% More Dirt Than Any Other Brand, The First Air Filter To Utilize Two Integral Filtering Elements, With Fram's Limited Warranty

Fits the following 1999-2006 BMW 323i submodels:

• 1999-2000: Base; 6 Cyl 2.5L; "GAS, FI, M52"
• 2006-2006: Base; 6 Cyl 2.5L; "GAS, FI, N52"

FRAM EXTRA LIFE AIR FILTER, FLEXIBLE PANEL -- 2.28" Height, 7" Width, 9.55" Length, Protects The Engine And Provides More Airflow For Improved Performance, Helps Prevent Damaging Particles From Entering The Engine And Causing Increased Engine Wear, Lasts 50% Longer And Stops 50% More Dirt Than Any Other Brand, The First Air Filter To Utilize Two Integral Filtering Elements, With Fram's Limited Warranty

Fits the following 1998 BMW 323i submodels:

• 1998-1998: Base; 6 Cyl 2.5L; "GAS, FI, M52"

FRAM EXTRA LIFE AIR FILTER, FLEXIBLE PANEL -- 2.28" Height, 7" Width, 9.55" Length, Protects The Engine And Provides More Airflow For Improved Performance, Helps Prevent Damaging Particles From Entering The Engine And Causing Increased Engine Wear, Lasts 50% Longer And Stops 50% More Dirt Than Any Other Brand, The First Air Filter To Utilize Two Integral Filtering Elements, With Fram's Limited Warranty

Fits the following 1998 BMW 323i submodels:

• 1998-1998: Base; 6 Cyl 2.5L; "GAS, FI, M52"

HASTINGS PREMIUM AIR FILTER -- 9-1/2" X 7" X 2-7/32", An OEM Direct Fit Replacement Panel Air Filter Element

Fits the following 1998-2000 BMW 323i submodels:

• 1998-2000: Base; 6 Cyl 2.5L; "GAS, FI, M52"

Fits the following 1998-2000 BMW 323i submodels:

• 1998-2000: All Submodels; All Engines;

BECK-ARNLEY AIR FILTER -- A high quality, direct-fit OEM replacement air filter; With Beck Arnley's limited warranty.

Fits the following 1999-2000 BMW 323i submodels:

• 1999-2000: Base; 6 Cyl 2.5L;

BECK-ARNLEY AIR FILTER -- A High Quality, Direct-Fit OEM Replacement Air Filter

Fits the following 1998 BMW 323i submodels:

• 1998-1998: Base; 6 Cyl 2.5L;

Fits the following 1998-2000 BMW 323i submodels:

• 1998-2000: All Submodels; All Engines;

Original Equipment

Fits the following 1998-2000 BMW 323i submodels:

• 1998-2000: All Submodels; All Engines;

Fits the following 2006-2008 BMW 323i submodels:

• 2006-2008: All Submodels; All Engines;