Air Intake Filters for BMW E46 M3 S54 (1999-2005)

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We stock several replacement and performance drop-in air filters for your BMW. Replacing your intake filter (or filters, depending on vehicle) can improve your BMW's performance immediately.
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Genuine BMW - Corporate Logo
T#:178235
Part#: 13721730449
In Stock
5% off MSRP $ 55.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 52.99 USD
Free Shipping on orders $49 and up
5% off MSRP
$ 55.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 52.99 USD
Free Shipping on orders $49 and up


Genuine BMW Air Filter Element
This item fits the following BMW Chassis:
E36 M3,E46 M3,E36,E39,E46

Fits BMW Engines including:
M50,M52,M54,M56,S50,S52,S54

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K&N - Corporate Logo
T#:4173
Part#: 33-2231
In Stock
$ 68.99 USD
Free Shipping
$ 68.99 USD
Free Shipping

K&N's drop-in air intake filter is constructed from cotton gauze material between aluminum mesh - this makes for a long lasting, high performance drop-in intake filter. These are very easy to remove and maintain. Turner Motorsport recommends this as one of the first maintenance/modifications you make to your vehicle after you purchase! 

K&N's drop in air filters allow increased airflow - dirt and particles stick to the oil on these filters, making them more effective than traditional paper filters in terms of protection. Additionally, K&N believes their filters are more efficient than paper filers - this means more oxygen getting into the engine, allowing vaporized fuel to burn more efficiently and increasing horsepower and fuel economy. The best of both worlds!

  • Covered by the K&N Million Mile Limited Warranty
  • Washable and reusable
  • Emissions legal in all 50 states
  • Will not void vehicle warranty
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