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K&N 33-2367 is a washable reusable high-flow drop-in air filter for 2007-2016 BMW 135i 335i 535i Z4 sDrive35i sDrive35is models. Layered oiled cotton media improves airflow for more horsepower and acceleration while trapping contaminants. Installs directly into factory airbox for quick performance gains backed by lifetime limited warranty.
Key Features
- Engineered Power: High-flow media increases horsepower acceleration and engine performance.
- Easy Installation: Pre-oiled filter drops into OEM airbox no tools or modifications needed for fast upgrade.
- Reusable Design Saves Money: Replaces multiple disposables saving up to $125 over 200000 miles versus OEM filter costs.
- Filter measures 7.75 inches long 7.44 inches wide 1.81 inches high weighs 1.1 pounds.
- Over 50 years designing high-flow air filters that deliver power gains.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2011 | BMW | 1 Series M | Verify engine and application notes |
| 2008-2010 | BMW | 135i | Verify engine and application notes |
| 2007-2010 | BMW | 335i | Verify engine and application notes |
| 2009-2010 | BMW | 335i xDrive | Verify engine and application notes |
| 2011-2013 | BMW | 335is | Verify engine and application notes |
| 2007-2008 | BMW | 335xi | Verify engine and application notes |
| 2008-2010 | BMW | 535i | Verify engine and application notes |
| 2009-2010 | BMW | 535i xDrive | Verify engine and application notes |
| 2008 | BMW | 535xi | Verify engine and application notes |
| 2009-2016 | BMW | Z4 | sDrive35i, sDrive35is |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | 33-2367 |
| Product Type | Air Filters - Drop In |
| Fitment Type | Vehicle Specific |
| Condition | New |
What's Included
One new K&N air filters - drop in identified by manufacturer part number 33-2367. Hardware, adapters, clamps, hoses, filters, and service supplies are included only when stated for this exact product.
About K&N Engineering
K&N develops reusable air filtration, intake, oil filtration, fuel filtration, and related performance products for vehicle-specific and dimensional applications.
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Frequently Asked Questions
How do I confirm K&N 33-2367 fits my vehicle?
Match the year, make, and model in the fitment table, then confirm the engine, factory housing, sensor layout, emissions notes, and any application restrictions stated for this exact part.
Is K&N 33-2367 washable and reusable?
Serviceability depends on the exact media used for this part number. Follow the K&N cleaning and oiling directions for this filter and never apply oil to media specified as dry.
What should be checked after installing K&N 33-2367?
Verify seals, clamps, fasteners, hoses, sensors, wiring, and surrounding clearance as applicable. Check for leaks or contact, then follow the manufacturer service and reinspection schedule.
Installation Instructions
- Remove stock filter and drop in K&N 33-2367 no cutting or drilling required
- Compatible with factory airbox hardware and sealing
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