ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.
GUARANTEED INCREASE IN HORSEPOWER: Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube
BETTER TOWING: Improves acceleration and uphill performance when towing by improving throttle response.
IMPROVED ENGINE SOUND: Hear the power under the hood.
WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants
EASY MAINTENANCE: No filter cleaning required for up to 100,000 miles
EASY TO INSTALL: Bolt-on power in less than an hour with basic hand tools. K&N air intake systems are one of the easiest ways to guarantee an increase in horsepower.
DYNO TESTED: Dyno-tested for a guaranteed increase in horsepower and acceleration with no ECU tune required
HIGH QUALITY: Made in America.
RACETRACK APPROVED: The Official Air Filter of NASCAR. Trusted on the racetrack—made for your vehicle.
4. Mishimoto MMAI-E46-99BK Performance Air Intake Compatible With BMW E46 3-Series 1999-2005 Black
ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.
GUARANTEED INCREASE IN HORSEPOWER: Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube
BETTER TOWING: Improves acceleration and uphill performance when towing by improving throttle response.
IMPROVED ENGINE SOUND: Hear the power under the hood.
WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants
EASY MAINTENANCE: No filter cleaning required for up to 100,000 miles
EASY TO INSTALL: Bolt-on power in less than an hour with basic hand tools. K&N air intake systems are one of the easiest ways to guarantee an increase in horsepower.
DYNO TESTED: Dyno-tested for a guaranteed increase in horsepower and acceleration with no ECU tune required
HIGH QUALITY: Made in America.
RACETRACK APPROVED: The Official Air Filter of NASCAR. Trusted on the racetrack—made for your vehicle.
8. Rtunes Racing Short Ram Air Intake Kit + Filter Combo BLACK Compatible For 98-05 BMW E46 3-Series …
Produces an additional 12 HP and 16 lbs. x ft. torque max gains.
5-Layer progressively finer oiled, washable cotton gauze media allows maximum airflow for maximum power
This is a direct bolt-on kit and requires no cutting or drilling on OEM parts for easy installation.
Designed and manufactured in the USA
This item is not CARB exempt and is not legal to purchase in California
10. K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: Compatible with 1996-2007 BMW L6 (325Ci, M3, X3, 320Ci, 320i, 325Ti and other select models), 33-2231
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.
