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Upgrade your BMW M5 or M8 with the K&N 18-19 BMW M5 V8 4.4L F/I Turbo Replacement Air Filter, part number knn33-3128. Crafted with a state-of-the-art layered, oiled cotton media, this high-flow air filter is engineered to significantly improve airflow, which can lead to increased horsepower and enhanced engine performance. Its design ensures superior filtration, capturing contaminants while allowing for maximum airflow, making it an ideal choice for enthusiasts seeking both power and protection. The filter is a drop-in replacement, designed for easy installation into your factory air box, requiring no additional modifications, and offering a hassle-free upgrade to your vehicle*s intake system. Each filter is washable and reusable, built to last for the entire lifespan of your vehicle, backed by K&N*s 10-Year/Million Mile Limited Warranty, providing long-term value and peace of mind.
The K&N High-Flow Air Filter not only boosts engine performance but also offers exceptional engine protection. Its durable construction and high-quality materials ensure reliable operation under various driving conditions. This filter is suitable for multiple BMW models, including the 2018 through 2021 M5 and M8 variants, including the Gran Coupe models, making it a versatile upgrade for BMW enthusiasts. Installing this filter can contribute to improved throttle response, better acceleration, and overall engine efficiency, helping your vehicle perform at its best.
Designed with precision and quality, the K&N Replacement Air Filter meets the needs of performance-conscious drivers. Its washable design means it can be cleaned and reused multiple times, reducing waste and replacement costs. The filter*s dimensions are optimized to fit seamlessly into your vehicle*s existing air box, ensuring a perfect fit and optimal performance. Trust in K&N*s reputation for quality and durability, and enjoy the benefits of superior airflow and engine longevity with this high-performance air filter upgrade.
Features:
Fitment:
2018 BMW M5 Base
2019 BMW M5 Base
2019 BMW M5 Competition
2020 BMW M5 Base
2020 BMW M5 Competition
2020 BMW M5 Edition 35 Years
2020 BMW M8 Base
2020 BMW M8 Competition
2020 BMW M8 Gran Coupe Base
2020 BMW M8 Gran Coupe Competition
2021 BMW M5 Base
2021 BMW M5 Competition
2021 BMW M8 Gran Coupe Base
2021 BMW M8 Gran Coupe Competition
2022 BMW M5 Base
2022 BMW M5 CS
2022 BMW M8 Base
2022 BMW M8 Competition
2022 BMW M8 Gran Coupe Base
2022 BMW M8 Gran Coupe Competition
2023 BMW M5 Base
2023 BMW M8 Competition
2023 BMW M8 Gran Coupe Competition
2024 BMW M8 Competition
2024 BMW M8 Gran Coupe Competition
Order Processing
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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).
