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K&N Replacement KN Air Filter fits BMW 318i / 318ti / 318ci - E-2232

K&N Replacement KN Air Filter fits BMW 318i / 318ti / 318ci - E-2232

The K&N E-2232 Air Filter fits some BMW 316Ci, BMW 316i, BMW 316Ti, BMW 318Ci, BMW 318i, and BMW 318ti models.

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty and will be the last air filter your vehicle will ever need.

Product Overview


Designed to boost horsepower and rate of acceleration
Can be cleaned and used again
High air flow with exceptional filtration
Lasts up to 50,000 miles before cleaning is required depending on driving conditions
Works with original equipment manufacturer vehicle electronics
Emissions legal in all 50 US states
Will NOT void vehicle warranty
Million Mile Limited Warranty


Product Specification

Air Filter Shape Round Tapered
Filter Material Cotton Gauze
Washable Yes
Flange Inside Diameter 2.75 in (70 mm)
Flange Length 0.75 in (19 mm)
Flange Type Centered
Flanges 1
Height 3.25 in (83 mm)
Base Outside Diameter 6.75 in (171 mm)
Top Outside Diameter 5.875 in (149 mm)
Top Style Metal
Top Material None
Package Contents 1 Air Filter
Package Quantity 1
Warranty 1,000,000 Miles/10 Year
Product Style Round Tapered Universal Air Filter
Weight 1.3 lb (0.6 kg)
Filter Re-Oiling Amount 0.69 oz (20 ml)
Air Filter Large End Diameter 6.75 in (171 mm)
Product Box Height 7.13 in (181 mm)
Product Box Length 7.06 in (179 mm)
Product Box Width 7.06 in (179 mm)
Inner Wire No

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