K&N Engineering 33-2372 High-Flow Drop-In Air Filter for Select BMW X3 and Z4 Models

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10-Year/Million Mile Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product! K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty. Associated products: 99-5000 Filter Care Service Kit Aerosol

• REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
• Million Mile Limited Warranty

Upgrade the factory air intake system in select BMW X3 and Z4 applications with the K&N Engineering 33-2372 High-Flow Air Filter. This washable and reusable replacement filter uses layered, oiled cotton media to promote increased airflow while helping capture dirt and other contaminants before they reach the engine. Its drop-in design is engineered to fit inside the factory air box for a straightforward installation without replacing the entire intake system.

The K&N Engineering 33-2372 is designed to support improved engine breathing and may help increase horsepower when compared with a restrictive disposable filter. Built for long-term use, this automotive air filter can be cleaned, serviced, and reused throughout the life of the vehicle, helping reduce the waste associated with disposable filters. K&N backs this filter with a 10-Year/Million Mile Limited Warranty and recommends the 99-5000 Filter Care Service Kit Aerosol for maintenance.

Key Product Specifications & Technical Data

• Brand: K&N Engineering
• Part Number: 33-2372
• Product Type: High-flow automotive engine air filter
• Filter Style: Drop-in replacement for the factory air box
• Filter Media: Layered, oiled cotton media
• Serviceability: Washable and reusable
• Warranty: 10-Year/Million Mile Limited Warranty
• Maintenance Product: Compatible with K&N 99-5000 Filter Care Service Kit Aerosol

What's Included

• One K&N Engineering 33-2372 High-Flow Air Filter

Fitment includes select 2006–2010 BMW X3 and 2006–2007 BMW Z4 applications. Verify the vehicle year, model, engine, and original equipment filter configuration before installation. This product is not CARB approved where emissions certification is required. Reusable filtration helps reduce waste; more than 200 million disposable air filters and their packaging are sent to landfills each year.

Features:

• High-Flow Airflow: Layered, oiled cotton filter media is engineered to improve airflow and support increased engine performance.
• Washable and Reusable: Designed for long-term service and reuse throughout the life of the vehicle, helping reduce disposable filter waste.
• Factory Air Box Fit: Drop-in replacement design installs into the original air box for a simple upgrade.
• Engine Protection: Helps capture dirt and contaminants while maintaining efficient airflow, and is backed by K&N's 10-Year/Million Mile Limited Warranty.

Fitments:
2006 BMW Z4 Coupe 3.0si
2006 BMW Z4 Roadster 3.0i
2006 BMW Z4 Roadster 3.0si
2007 BMW X3 3.0si
2007 BMW Z4 Coupe 3.0si
2007 BMW Z4 Roadster 3.0i
2007 BMW Z4 Roadster 3.0si
2008 BMW X3 3.0si
2008 BMW Z4 Coupe 3.0si
2008 BMW Z4 Roadster 3.0i
2008 BMW Z4 Roadster 3.0si
2009 BMW X3 xDrive30i
2009 BMW Z4 sDrive30i
2009 BMW Z4 sDrive35i
2010 BMW X3 xDrive30i

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1