BMC FM527/04 Air Filter for 2015-2025 Yamaha YZF-R3 321

Vehicle Fitment

• 2015-2025 Yamaha YZF-R3 (321cc Parallel Twin)

Features

• High-flow replacement air filter designed to replace OEM paper element
• Improves airflow for enhanced throttle response
• Multi-layer oiled cotton gauze filtration media
• Washable and reusable for long service life
• Maintains excellent filtration efficiency while increasing air volume
• Epoxy-coated alloy mesh resists fuel vapors and humidity
• Full-molded construction with no welded seams
• Direct drop-in fit for the factory airbox

Specifications

• Part Number: FM527/04
• Application: Yamaha YZF-R3
• Engine: 321cc Parallel Twin
• Year Range: 2015-2025
• Filter Type: Panel-style replacement air filter
• Filter Media: Oiled cotton gauze
• Frame Material: Epoxy-coated alloy mesh
• Washable/Re-usable: Yes

Included Components

• 1x BMC Performance Air Filter (FM527/04)

Product Description

The BMC FM527/04 Air Filter is a performance replacement designed specifically for the Yamaha YZF-R3 321 from 2015 through 2025. By replacing the restrictive OEM paper filter, this high-flow air filter allows a greater volume of clean air to reach the engine, improving throttle response and overall engine efficiency while maintaining proper filtration.

Manufactured using BMC's full-molding process, the FM527/04 features a one-piece design without welded joints for increased durability and reliability. The multi-layer oiled cotton gauze is protected by an epoxy-coated alloy mesh that resists fuel vapors and moisture. Designed to install directly into the factory airbox with no modifications required, this washable and reusable filter is ideal for riders seeking improved performance and long-term value for both street and spirited riding.