BMW 335 Air Filter

K&N INJECTOR STACK AIR FILTER

K&N's injector stack air filter is made of multiple interwoven layers of surgical cotton gauze that provides high air flow with excellent filtration. Economical and environment friendly, this air filter increases horsepower and acceleration while providing engine protection.

Specifications

• 6 in. height, 2.06 in. flange inside diameter, 0.63 in. flange length, 3 in. outside diameter
• Round straight style

Features

• Provides 1 to 4 h.p.
• Washable and reusable
• Chrome end cap

Notes

• For off road use - Not legal for use on public roads and highways
• For Hilborn 4, injectors fitted to Honda and Kawasaki engines in T.Q. midgets

Material: Cotton gauze

Type: High flow

Quantity Sold: Sold individually

Part #: K33RD1004

AIRAID PREMIUM AIR FILTER

Airaid Premium Air Filter is made of unique nano-fiber combined with multiple layers of surgical-quality cotton gauze designed for durability. It utilizes a urethane body that will not crack or curl. Tested using the filter testing fractional efficiency method called SAE standard J726, this air filter traps almost twice the percentage of particulates that the competitors do and more than 6 times the amount at 0.5 microns.

Specifications

• 9.38 in. height, 4.38 in. flange inside diameter, 11.5 x 7 in. bottom diameter, 9 x 4.5 in. top diameter
• Conical style

Features

• Washable and reusable

Notes

• Fits on part numbers 300-128, 300-147, 300-155, 300-159, 300-139, and 400-131-1

Material: Cotton gauze

Series: Airaid Premium

Type: Universal product

Quantity Sold: Sold individually

Warranty: Lifetime Airaid no-hassle warranty

Part #: A86720128

AEM SHORT NECK DRYFLOW PERFORMANCE AIR FILTER, GRAY -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; Up to 99.52 percent filtration efficiency; 5.25 in. height, 6 in. base outside diameter, 3.25 in. flange inside diameter, 1.44 in. flange length, 5.13 in. top outside diameter; Non-woven polyester-based media; Dry element; Conical style; Features a light mineral-reinforced plastic cage that maintains the element's structural integrity and eliminates the chance of the filter to collapse from flow demands, while also reducing the filter's overall weight; Does not require oil to filter and trap dirt and contaminants; Uses environmentally friendly, mild, all-purpose cleaner; Can be knocked a few times to remove excess dirt off of the filter pleats; Can withstand unlimited cleanings and can resist water absorption; Supported by co-pleated aluminum wire mesh; Dryflow Air Filter Cleaning Kit part number 21-110 for this air filter is sold separately.

Finish: Gray

Material: Polyester-based media

Series: AEM Air Dryflow

Quantity Sold: Sold individually

Warranty: AEM limited warranty

Part #: A18212110DK

AEM DRYFLOW PERFORMANCE AIR FILTER, RED -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; Up to 99.52 percent filtration efficiency; 6 in. base outside diameter, 3 in. flange inside diameter, 1.5 in. flange length, 5.06 in. height, 5.13 in. top outside diameter; Non-woven polyester-based media; Dry element; Conical style; Black rubber end cap; Features a light mineral-reinforced plastic cage that maintains the element's structural integrity and eliminates the chance of the filter to collapse from flow demands, while also reducing the filter's overall weight; Does not require oil to filter and trap dirt and contaminants; Uses environmentally friendly, mild, all-purpose cleaner; Can be knocked a few times to remove excess dirt off of the filter pleats; Can withstand unlimited cleanings and can resist water absorption; Supported by co-pleated aluminum wire mesh; Dryflow Air Filter Cleaning Kit part number 21-110 for this air filter is sold separately.

Material: Polyester-based media

Quantity Sold: Sold individually

Warranty: AEM limited warranty

Part #: A1821203D

AEM SHORT NECK DRYFLOW PERFORMANCE AIR FILTER, GRAY -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; Up to 99.52 percent filtration efficiency; 565 CFM rating; 5.25 in. height, 6 in. base outside diameter, 2.75 in. flange inside diameter, 1.25 in. flange length, 5.13 in. top outside diameter; Non-woven polyester-based media; Dry element; Conical style; Features a light mineral-reinforced plastic cage that maintains the element's structural integrity and eliminates the chance of the filter to collapse from flow demands, while also reducing the filter's overall weight; Does not require oil to filter and trap dirt and contaminants; Uses environmentally friendly, mild, all-purpose cleaner; Can be knocked a few times to remove excess dirt off of the filter pleats; Can withstand unlimited cleanings and can resist water absorption; Supported by co-pleated aluminum wire mesh; Dryflow Air Filter Cleaning Kit part number 21-110 for this air filter is sold separately.

Material: Polyester-based media

Type: Universal product

Quantity Sold: Sold individually

Warranty: Guaranteed for life of the vehicle by AEM

Part #: A1821202DK

AEM SHORT NECK DRYFLOW PERFORMANCE AIR FILTER, RED -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; Up to 99.52 percent filtration efficiency; 9.06 in. height, 6 in. base outside diameter, 4.5 in. flange inside diameter, 1 in. flange length, 5.13 in. top outside diameter; Non-woven polyester-based media; Dry element; Round straight style; Black rubber end cap; Features a light mineral-reinforced plastic cage that maintains the element's structural integrity and eliminates the chance of the filter to collapse from flow demands, while also reducing the filter's overall weight; Does not require oil to filter and trap dirt and contaminants; Uses environmentally friendly, mild, all-purpose cleaner; Can be knocked a few times to remove excess dirt off of the filter pleats; Can withstand unlimited cleanings and can resist water absorption; Supported by co-pleated aluminum wire mesh; Dryflow Air Filter Cleaning Kit part number 21-110 for this air filter is sold separately.

Type: Universal product

Quantity Sold: Sold individually

Part #: A18212069DK

AEM SHORT NECK DRYFLOW PERFORMANCE AIR FILTER, RED -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; Up to 99.52 percent filtration efficiency; 9.25 in. height, 6 in. base outside diameter, 2.5 in. flange inside diameter, 1.5 in. flange length, 5.125 in. top outside diameter; Non-woven polyester-based media; Dry element; Conical style; Black rubber end cap; Features a light mineral-reinforced plastic cage that maintains the element's structural integrity and eliminates the chance of the filter to collapse from flow demands, while also reducing the filter's overall weight; Does not require oil to filter and trap dirt and contaminants; Uses environmentally friendly, mild, all-purpose cleaner; Can be knocked a few times to remove excess dirt off of the filter pleats; Can withstand unlimited cleanings and can resist water absorption; Supported by co-pleated aluminum wire mesh; Dryflow Air Filter Cleaning Kit part number 21-110 for this air filter is sold separately.

Type: Universal product

Quantity Sold: Sold individually

Part #: A18212019DK

AEM SHORT NECK DRYFLOW PERFORMANCE AIR FILTER, RED -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; Up to 99.52 percent filtration efficiency; 5.13 in. height, 6 in. base outside diameter, 3 in. flange inside diameter, 1.63 in. flange length, 5.13 in. top outside diameter; Non-woven polyester-based media; Dry element; Conical style; Black rubber end cap; Features a light mineral-reinforced plastic cage that maintains the element's structural integrity and eliminates the chance of the filter to collapse from flow demands, while also reducing the filter's overall weight; Does not require oil to filter and trap dirt and contaminants; Uses environmentally friendly, mild, all-purpose cleaner; Can be knocked a few times to remove excess dirt off of the filter pleats; Can withstand unlimited cleanings and can resist water absorption; Supported by co-pleated aluminum wire mesh; Dryflow Air Filter Cleaning Kit part number 21-110 for this air filter is sold separately.

Type: Universal product

Quantity Sold: Sold individually

Part #: A1821203DHK

AEM DRYFLOW PERFORMANCE AIR FILTER, GRAY -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; Up to 99.52 percent filtration efficiency; 7.5 in. base outside diameter, 6 in. flange inside diameter, 1 in. flange length, 5.25 in. height, 4.75 in. top outside diameter; Non-woven polyester-based media; Dry element; Conical style; Black rubber end cap; Features a light mineral-reinforced plastic cage that maintains the element's structural integrity and eliminates the chance of the filter to collapse from flow demands, while also reducing the filter's overall weight; Does not require oil to filter and trap dirt and contaminants; Uses environmentally friendly, mild, all-purpose cleaner; Can be knocked a few times to remove excess dirt off of the filter pleats; Can withstand unlimited cleanings and can resist water absorption; Supported by co-pleated aluminum wire mesh; Dryflow Air Filter Cleaning Kit part number 21-110 for this air filter is sold separately.

Material: Synthetic

Series: AEM Air Dryflow

Type: Universal product

Quantity Sold: Sold individually

Warranty: Lifetime AEM limited warranty

Part #: A1821209DK

K&N HIGH FLOW AIR FILTER

K&N's high flow air filter is made of multiple interwoven layers of surgical cotton gauze that provides high air flow with excellent filtration. It increases horsepower and acceleration while providing engine protection. It is constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allows secure attachment. Can be stretched up to 0.06 in. or 1.5 mm to fit in-between sizes.

Specifications

• 4 in. height, 3.5 in. base outside diameter, 2.25 in. flange inside diameter, 0.63 in. flange length, 2 in. top outside diameter
• Round tapered style

Features

• Provides 1 to 4 h.p.
• Washable and reusable

Notes

• For off road use - Not legal for use on public roads and highways
• Lasts up to 50,000-mile before cleaning is required depending on drive condition

Material: Cotton gauze

Type: High flow

Quantity Sold: Sold individually

Part #: K33RC1252