K&N Engine Air Filter: Increase Power & Acceleration, Washable, Replacement Car Air Filter: Compatible 1971-1992 BMW (M3, 635CSi, 316i, 535iS, 318i, 518i, 525i, 528i, 535i, 628CSi, M535i), 33-2005
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30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Features
- ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
- RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
- 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
- CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
- ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply
- EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
- REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
- MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability
Description
Compatible Vehicles: 1986-1992 BMW M3; 1978-1990 BMW 635CSi; 1987-1988 BMW 316i; 1988 BMW 535iS; 1979-1987 BMW 318i; 1983-1987 BMW 518i; 1981-1987 BMW 525i; 1977-1987 BMW 528i; 1985-1987 BMW 535i; 1979-1987 BMW 628CSi; 1979-1987 BMW 735i; 1980-1987 BMW M535i; 1982-1986 BMW 323i; 1978-1986 BMW 728i; 1977-1986 BMW 732i; 1977-1986 BMW 733i; 1980-1986 BMW 745i; 1980-1985 BMW 320i; 1983-1985 BMW 325e; 1981-1985 BMW 520i; 1981-1985 BMW 525e; 1982-1985 BMW 528E; 1983-1984 BMW 533i; 1978-1984 BMW 633CSi; 1977-1978 BMW 530i; 1971-1977 BMW 2500; 1975-1977 BMW 3.0Si Cross Reference: AC Delco A972C; Beck/Arnley 0420729; BMW 13721271254; Bosch 73277; Carquest 88135; Champ Labs. AF254; Fram CA4521; Hastings AF865; Luber-Finer AF254; Mann-Hummel C3394; Mobil AF254; Motorcraft FA1082; Napa 6135; Premium Guard PA3087; Purolator A23087; Repco RAF172; Ryco A477; STP SA4521; Wesfil WA721; WIX 46135
Brand: K&N
OEM Part Number: 13721271254
Global Trade Identification Number: 65
Shape: Rectangular
Manufacturer: K&N Engineering
Brand: K&N
OEM Part Number: 13721271254
Global Trade Identification Number: 65
Shape: Rectangular
Manufacturer: K&N Engineering
UPC: 024844001665
Model: Replacement Air Filter
Item Weight: 1 pounds
Product Dimensions: 13.5 x 7.75 x 1.75 inches
Country of Origin: China
Item model number: 33-2005
Is Discontinued By Manufacturer: No
Exterior: Machined
Manufacturer Part Number: 33-2005
Position: Left
Date First Available: February 13, 2005
Frequently asked questions
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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