K&N Replacement Air Filter BMW F/I CARS 1978-91
K&N Replacement Air Filter BMW F/I CARS 1978-91
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K&N Replacement Air Filter BMW F/I CARS 1978-91
Upgrade your BMW with the K&N Replacement Air Filter, specifically designed for F/I cars from 1978 to 1991. Experience a boost in performance with a filter that not only enhances horsepower and acceleration but also offers exceptional filtration.
Key Features:
- Increased Performance: Designed to improve horsepower and acceleration, giving your BMW the power it deserves.
- Washable and Reusable: Say goodbye to disposable filters; our air filters are engineered for longevity and sustainability.
- Custom Fit: Specifically designed to fit into your existing factory air box, ensuring easy installation without modifications.
- Simplified Installation: The drop-in design allows for a straightforward replacement—just remove the old filter and insert the K&N filter.
- Million-Mile Warranty: Backed by K&N's famous Million-Mile Limited Warranty, this air filter is the last one you'll ever need for your vehicle.
With over 1,200 different replacement air filters available for various vehicles, K&N ensures that every driver can enjoy high-quality performance enhancements. Upgrade today and experience the difference that a K&N Replacement Air Filter can make for your BMW!
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

