New! K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter, 33-2005

K&N Engine Air Filter: High Performance, Washable, Replacement Filter: Compatible with 1971-1992 BMW (M3, 635CSi, 316i, 535iS, 318i, 518i, 525i, 528i, 535i, 628CSi, 735i, M535i, 323i, 728i, 732i), 33-2005

• ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.
• ENGINEERED POWER: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration. Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%.
• EASY INSTALLATION: Pre-oiled and ready to drop into your factory air box. One of the easiest and most cost-effective upgrades for your vehicle for quick performance gains.
• SAVES MONEY: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters.
• ECO-FRIENDLY: Using a washable, reusable product helps reduce replacement waste. A K&N filter will last longer than 10 disposable filters.
• WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants.
• LOW-MAINTENANCE DESIGN: 50,000 miles before your first cleaning under normal highway driving conditions.
• HIGH QUALITY: Made in America.
• RACE TESTED: The Official Air Filter of NASCAR. Trusted on the racetrack-made for your vehicle.