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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
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For Your Every Summer RSVP, with Code: SUMMER15
Description
K&N Engineering 33-2367 FITS:K&N 06-09 BMW 135/335/535 Drop In Air Filter Air Filters Drop InK&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
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!Technical Bulletin
Technical Bulletin
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2011 | BMW | 1 Series M | Base |
| 2008-2010 | BMW | 135i | Base |
| 2007-2010 | BMW | 335i | Base |
| 2009-2010 | BMW | 335i xDrive | Base |
| 2011-2013 | BMW | 335is | Base |
| 2007-2008 | BMW | 335xi | Base |
| 2008-2010 | BMW | 535i | Base |
| 2009-2010 | BMW | 535i xDrive | Base |
| 2008 | BMW | 535xi | Base |
| 2010-2011 | BMW | Z4 | sDrive30i |
| 2009-2016 | BMW | Z4 | sDrive35i |
| 2011-2016 | BMW | Z4 | sDrive35is |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 3
Poor Quality
Size: 29, Color: Soundwave
This is my 4th pair of FP Barrels, and these felt poorly made. The holes for the button up fly were so small it was nearly impossible to button them. I’m going to see if I can stretch them out a bit. But better to buy from Free People directly!
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Best dupe!
Size: 26, Color: Soundwave
Best dupe for the pricey barrel jeans. Washes and wears very well. Denim is soft.
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Reviewed in the United States on May 1, 2026
★★★★★ 4
Cute
Size: 29, Color: Deep End
They were a little on the shorter side. Still cute and still will be worn.
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Reviewed in the United States on January 22, 2026
★★★★★ 5
Exactly as FP describes
Size: 27, Color: Deep End
Quality denim with the classic FP barrel or horseshoe leg. These are deep, dark blue rigid denim with a button fly. Hits at the ankle for me, but if you are shorter than 5'9" you may a get full length fit from these. I own these jeans in multiple colors and these are another FP win for me.
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Reviewed in the United States on January 7, 2026
★★★★★ 5
Perfect lightweight denim for summer in Florida!
Size: Large, Color: Union Blue, Size: Large, Color: Union Blue
LOVE EM. Insanely comfortable and lightweight quality denim with a kiss of stretch (perfect for summer). I pair them with tees, cropped tops, tanks or button up shirts. They’re adorable with sandals, sneaks, flats or flops. I went through about 5 pairs of jeans from different stores looking for the perfect combo of lightweight, comfy and stylish; these fit the bill. The distressed accents (a few rips and paint flecks) add interest without being over the top. The attached belt is such an adorable accent. Love love love these and will likely buy a second pair. True to size.
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Reviewed in the United States on May 16, 2026