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Enhance your BMW’s performance and efficiency with the K&N Engineering Original Lifetime Engine Air Filter, precision-engineered to replace the factory filter in select Z4, 5 Series, and X1 models. Built with K&N’s signature layered, oiled cotton media, this filter delivers a balance of high airflow and exceptional filtration. By improving engine breathing, it can help unlock more horsepower and throttle response without compromising protection.
The filter’s washable and reusable construction means you’ll never need to buy another air filter again. Installation is quick and simple—just drop it into your stock airbox with no modifications required. Each filter is designed to maintain a factory-tight seal for optimal performance and long-term reliability.
Backed by K&N’s renowned 10-Year / Million Mile Limited Warranty, this filter is made to last as long as your vehicle. It’s the ideal upgrade for drivers who value performance, durability, and sustainability in one easy-to-maintain package.
Features:
• Multi-layered, oiled cotton media enhances airflow and engine protection
• Washable and reusable design for lifetime use
• Direct-fit installation—no cutting or modifications required
• Designed to improve horsepower and throttle response
• Maintains OEM fit and factory sealing surface
• Backed by K&N’s 10-Year / Million Mile Limited Warranty
• Eco-friendly alternative that reduces disposable waste
Fitment:
BMW 528i Base 2012
BMW 528i Base 2013
BMW 528i Base 2014
BMW 528i Base 2015
BMW 528i Base 2016
BMW 528i xDrive Base 2012
BMW 528i xDrive Base 2013
BMW 528i xDrive Base 2014
BMW 528i xDrive Base 2015
BMW 528i xDrive Base 2016
BMW X1 sDrive28i 2013
BMW X1 sDrive28i 2014
BMW X1 sDrive28i 2015
BMW X1 xDrive28i 2012
BMW X1 xDrive28i 2013
BMW X1 xDrive28i 2014
BMW X1 xDrive28i 2015
BMW X1 xDrive28i 2016
BMW Z4 sDrive28i 2012
BMW Z4 sDrive28i 2013
BMW Z4 sDrive28i 2014
BMW Z4 sDrive28i 2015
BMW Z4 sDrive28i 2016
BMW Z4 sDrive30i 2010
BMW Z4 sDrive30i 2011
BMW Z4 sDrive35i 2010
BMW Z4 sDrive35i 2011
BMW Z4 sDrive35is 2011
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
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.
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).
