K&N Engineering 33-3128 High-Flow Replacement Air Filter for BMW M5 and M8

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10-Year/Million Mile Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product! K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty. Associated products: 99-5000 Filter Care Service Kit Aerosol

• REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
• Million Mile Limited Warranty

Upgrade the factory air-intake system in select BMW M5 and M8 models with the K&N Engineering 33-3128 High-Flow Replacement Air Filter. This washable and reusable performance filter uses layered, oiled cotton media to improve airflow while helping capture engine-damaging contaminants. Its drop-in design is engineered to fit the factory air box, making installation straightforward without requiring major intake-system modifications.

The K&N Engineering 33-3128 is designed to support improved horsepower and responsive engine performance while providing dependable filtration for high-performance BMW engines. Unlike disposable filters, it can be cleaned and reused throughout the life of the vehicle, helping reduce replacement waste. The filter is backed by K&N's 10-Year/Million Mile Limited Warranty and is compatible with the K&N 99-5000 Filter Care Service Kit Aerosol for maintenance.

Key Product Specifications & Technical Data

• Brand: K&N Engineering
• Part Number: 33-3128
• Product Type: High-flow replacement air filter
• Filter Media: Layered, oiled cotton
• Filter Style: Washable and reusable
• Installation: Direct drop-in replacement for the factory air box
• Vehicle Application: Select BMW M5 and M8 models with 4.4-liter twin-turbocharged V8 engines
• Warranty: K&N 10-Year/Million Mile Limited Warranty

Fitment: Designed for select 2018-2021 BMW M5 and 2020-2021 BMW M8 applications, including M8 Gran Coupe models. Verify vehicle year, model, engine configuration, and required quantity before ordering.

What's Included: Two K&N Engineering 33-3128 High-Flow Replacement Air Filters. Filter care products are sold separately.

Features:

• High-flow performance: Layered, oiled cotton media is engineered to increase airflow and support improved horsepower.
• Reusable design: Washable construction can be serviced and reused throughout the life of the vehicle.
• Engine protection: Multi-layer filtration helps capture contaminants while maintaining strong airflow.
• Easy installation: Drop-in replacement design installs in the factory air box without extensive modifications.

Fitments:
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 Competition
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
2025 BMW 760i xDrive Base
2025 BMW M5 Base
2025 BMW M8 Competition
2026 BMW 760i xDrive Base
2027 BMW M5 Base

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1