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Enhance your BMW's engine performance with the K&N Engineering High-Flow Drop-In Air Filter, specifically designed for models including the 2003, 2002, and 2001 BMW 540i, as well as the 2001, 2000, and 1999 BMW 740iL. Crafted using layered, oiled cotton media, this filter improves airflow to deliver increased horsepower and torque. Its innovative design not only boosts engine efficiency but also provides robust protection against dirt and contaminants, ensuring your engine remains clean and well-lubricated for optimal operation. Installation is straightforward, as the filter is engineered to fit seamlessly into your factory air box, making it a simple upgrade for immediate performance gains.
Features:
Fitment:
1997 BMW 540i Base
1998 BMW 540i Base
1999 BMW 540i Base
1999 BMW 740i Base
1999 BMW 740iL Base
2000 BMW 540i Base
2000 BMW 740i Base
2000 BMW 740iL Base
2000 BMW M5 Base
2001 BMW 540i Base
2001 BMW 740i Base
2001 BMW 740iL Base
2001 BMW M5 Base
2002 BMW 540i Base
2002 BMW M5 Base
2003 BMW 540i Base
2003 BMW M5 Base
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).
