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Upgrade your BMW's airflow with the K&N Engineering High-Flow Drop-In Air Filter, designed specifically for models equipped with 2.0L to 3.2L engines. Crafted from layered, oiled cotton media, this filter enhances airflow efficiency while effectively capturing contaminants, leading to improved engine performance and increased horsepower. Its innovative design ensures a durable, reusable product that can last for the entire lifespan of your vehicle, making it a cost-effective and environmentally friendly choice. Installation is straightforward, as this drop-in replacement fits directly into your factory air box without modifications. Backed by K&N's 10-Year/Million Mile Limited Warranty, the filter guarantees long-term reliability and performance.
Features:
Fitment:
1992 BMW 325i Base
1992 BMW 325is Base
1993 BMW 325i Base
1993 BMW 325is Base
1994 BMW 325i Base
1994 BMW 325is Base
1995 BMW 325i Base
1995 BMW 325is Base
1995 BMW M3 Base
1995 BMW M3 Lightweight
1996 BMW 328i Base
1996 BMW 328is Base
1996 BMW M3 Base
1997 BMW 328i Base
1997 BMW 328is Base
1997 BMW 528i Base
1997 BMW M3 Base
1997 BMW Z3 Roadster
1998 BMW 323i Base
1998 BMW 323is Base
1998 BMW 328i Base
1998 BMW 328is Base
1998 BMW 528i Base
1998 BMW M3 Base
1998 BMW Z3 M Roadster
1998 BMW Z3 Roadster
1999 BMW 323i Base
1999 BMW 323is Base
1999 BMW 328i Base
1999 BMW 328is Base
1999 BMW 528i Base
1999 BMW M3 Base
1999 BMW Z3 Coupe
1999 BMW Z3 M Coupe
1999 BMW Z3 M Roadster
1999 BMW Z3 Roadster
2000 BMW 528i Base
2000 BMW Z3 Coupe
2000 BMW Z3 M Coupe
2000 BMW Z3 M Roadster
2000 BMW Z3 Roadster
2001 BMW 525i Base
2001 BMW 530i Base
2001 BMW Z3 Coupe
2001 BMW Z3 M Coupe
2001 BMW Z3 M Roadster
2001 BMW Z3 Roadster
2002 BMW 525i Base
2002 BMW 530i Base
2002 BMW Z3 Coupe
2002 BMW Z3 M Coupe
2002 BMW Z3 M Roadster
2002 BMW Z3 Roadster
2003 BMW 525i Base
2003 BMW 530i Base
2003 BMW Z4 2.5i
2003 BMW Z4 3.0i
2004 BMW X3 2.5i
2004 BMW Z4 2.5i
2004 BMW Z4 3.0i
2005 BMW X3 2.5i
2005 BMW Z4 2.5i
2005 BMW Z4 3.0i
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).
