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K&N Engineering 33-3134 High-Flow Replacement Air Filter

knn33-3134
In stock
Air Filters
$83.99
Upgrade your vehicle’s factory air box with the K&N Engineering 33-3134 High-Flow Replacement Air Filter. This...
$83.99

K&N Engineering 33-3134 High-Flow Replacement Air Filter

Upgrade your vehicle’s factory air box with the K&N Engineering 33-3134 High-Flow Replacement Air Filter. This washable, reusable filter uses layered, oiled cotton media engineered to improve airflow while capturing contaminants for exceptional engine protection.

Designed as a drop-in replacement, the K&N 33-3134 installs easily into the factory air box. Its reusable construction is engineered to last for the lifespan of your vehicle and is designed to provide an increase in horsepower while supporting superior airflow and performance.

K&N replacement High-Flow Air Filters are backed by a No-Hassle Lifetime Limited Warranty, also described as a 10-Year/Million Mile Limited Warranty. The filter is proudly made in the USA for trusted quality and reliability. K&N lists the 99-5000 Filter Care Service Kit Aerosol as an associated product for filter maintenance.

Features:

  • High-Flow Performance: Layered, oiled cotton media is engineered to improve airflow and support an increase in horsepower.
  • Engine Protection: Designed to capture contaminants while providing exceptional engine protection.
  • Washable and Reusable: Reusable construction is engineered to last for the lifespan of your vehicle.
  • Easy Installation: Designed as a drop-in replacement for the factory air box.
  • Limited Warranty: Backed by K&N’s No-Hassle Lifetime Limited Warranty, also described as a 10-Year/Million Mile Limited Warranty.
  • Made in USA: Proudly made in the USA for trusted quality and reliability.
  • Vehicle Fitment: Fits 2020–2024 BMW X3 and 2020–2023 BMW X4 applications listed by K&N.

Fitment:
2020 BMW X3 M
2020 BMW X3 M40i
2020 BMW X4 M40i
2021 BMW X3 M40i
2021 BMW X4 M40i
2022 BMW X3 M40i
2022 BMW X4 M40i
2023 BMW X3 M40i
2023 BMW X4 M40i
2024 BMW X3 M40i
2024 BMW X4 M40i
2025 BMW X4 M40i
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If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.

Returns

Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.

Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.

Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.

Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).

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