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Upgrade your BMW’s performance and protection with the K&N Engineering Original Lifetime Engine Air Filter, precision-engineered to increase airflow and enhance throttle response. Built from K&N’s signature layered, oiled cotton media, this filter delivers outstanding filtration while promoting higher airflow for noticeable gains in horsepower and efficiency.
This washable and reusable filter installs directly into your factory air box for a fast, tool-free upgrade. Backed by K&N’s 10-Year/Million Mile Limited Warranty, it’s designed to last the entire life of your BMW, offering consistent performance and long-term savings.
Specifically designed for BMW models from 2002–2008—including the 745i, 745Li, 750i, and 750Li—this air filter ensures a perfect fit and factory-level seal. Its robust construction withstands daily driving conditions while maintaining optimal airflow and filtration balance.
Regular maintenance is simple: just wash, dry, and reinstall the filter when needed. This sustainable design not only supports cleaner combustion and smoother acceleration but also reduces waste and replacement costs over time.
Features:
Premium layered, oiled cotton media for enhanced airflow and filtration
Washable and reusable design for long-term performance and cost savings
Direct drop-in replacement for BMW factory airboxes
Helps increase horsepower, throttle response, and fuel efficiency
Engineered for BMW models from 2002–2008
Backed by K&N’s 10-Year/Million Mile Limited Warranty
Provides superior engine protection and consistent performance
Fitment:
BMW 745i Base 2002
BMW 745i Base 2003
BMW 745i Base 2004
BMW 745i Base 2005
BMW 745Li Base 2002
BMW 745Li Base 2003
BMW 745Li Base 2004
BMW 745Li Base 2005
BMW 750i Base 2006
BMW 750i Base 2008
BMW 750Li Base 2006
BMW 760i Base 2004
BMW 760i Base 2005
BMW 760i Base 2006
BMW 760Li Base 2003
BMW 760Li Base 2004
BMW 760Li Base 2005
BMW 760Li Base 2006
BMW 760Li Base 2008
BMW Alpina B7 Base 2007
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).
