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K&N 33-2428 is a washable reusable high-flow air filter designed as a direct drop-in replacement for your BMW X6 3.0L 2008-2009 and compatible models including 535i, X5 series. Layered oiled cotton media improves airflow for more horsepower and acceleration while trapping contaminants. Backed by K&N No-Hassle Lifetime Limited Warranty, it installs easily into the factory airbox for long-term performance gains.
Key Features
- Weight: 1.3 lb (0.6 kg).
- Engineered Power: Advanced filter media boosts horsepower, acceleration, and engine performance through increased airflow.
- Cost Savings: Reusable design saves up to $125 over 200000 miles compared to disposable filters at OE MSRP.
- Reduces landfill waste versus disposable filters.
- Direct drop-in fit into OEM airbox, no modifications needed.
- Dyno-tested designs deliver measurable horsepower increases.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2009-2016 | BMW | 535i | Verify engine and application notes |
| 2010-2017 | BMW | 535i GT | Verify engine and application notes |
| 2011-2016 | BMW | 535i GT xDrive | Verify engine and application notes |
| 2009-2016 | BMW | 535i xDrive | Verify engine and application notes |
| 2012-2018 | BMW | 640i | Verify engine and application notes |
| 2013-2019 | BMW | 640i Gran Coupe | Verify engine and application notes |
| 2014-2018 | BMW | 640i xDrive | Verify engine and application notes |
| 2014-2019 | BMW | 640i xDrive Gran Coupe | Verify engine and application notes |
| 2011-2016 | BMW | 740i | Verify engine and application notes |
| 2011-2015 | BMW | 740Li | Verify engine and application notes |
| 2013-2015 | BMW | 740Li xDrive | Verify engine and application notes |
| 2012-2016 | BMW | ActiveHybrid 5 | Verify engine and application notes |
| 2013-2015 | BMW | ActiveHybrid 7 | Verify engine and application notes |
| 2011-2017 | BMW | X3 | xDrive28i, xDrive35i |
| 2016-2018 | BMW | X4 | M40i, xDrive28i |
| 2011-2018 | BMW | X5 | sDrive35i, xDrive35d, xDrive35i, xDrive50i |
| 2008-2019 | BMW | X6 | sDrive35i, xDrive35i, xDrive50i |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | 33-2428 |
| 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 33-2428. 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.
Related K&N Engineering Products
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Frequently Asked Questions
How do I confirm K&N 33-2428 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 33-2428 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 33-2428?
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
- Direct drop-in fit into OEM airbox, no modifications needed.
- Comes pre-oiled with no cutting or tools required beyond basic access.
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