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BMW X3 K&N Performance Air Filters

BMW X3 K&N Performance Air Filters This is absolutely the least expensive and easiest way to improve horsepower and extend the life of your air filter! The sandwiched layers of cotton gauze, specially treated with K&N air filter oil, provides five times more filtering surface over the element circumference. This serves to smooth incoming air flow while reducing intake restriction and thereby boosting horsepower. K&N Performance Air Filters come pre-oiled for easy installation and with K&N's famous 1,000,000 mile warranty. K&N filters are easy to clean: wash with cold water every year and re-oil it every two years for a lifetime of performance.
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K&N Air Filter Cleaning Kit - Aerosol Preserve and maintain your air filter for a lifetime, never having to spend another dollar on a replacement filter again!
K&N
Part #: 99-5000KT
Price: $10.16 (USD) 
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K&N Recharger Kit Cleaning and re-oiling your K&N filter will prolong its life and maintain K&N's performance adavantage. You should clean your filter every year with water and K&N's cleaning solution and re-oil the filter every two years. K&N air fitlers come pre-oiled.
K&N
Part #: 99-5050
Price: $17.00 (USD) 
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K&N
Part #: 99-5000
Price: $17.00 (USD) 
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E46 323i/325i/328i/330i and M3 K&N Performance Air Filter fits all E46 models, including M3. Also fits MZ3 with the S54 engine.
K&N
Part #: 33-2231
Price: $51.99 (USD) 
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