Upgrade your airflow with this Ramair Replacement Panel Filter for BMW 3 Series G20/G21.

Designed to fit directly into the OEM airbox, this high-performance filter replaces the restrictive factory paper element with a high-flow synthetic nanofibre media. Precision-moulded for a perfect fit and pleated to maximise surface area, it delivers improved airflow and filtration—ideal for both fast road and track use. Easy to clean with the Ramair CK-003 maintenance kit, this is a premium, long-lasting solution backed by over 35 years of motorsport filtration expertise.

Key Features:

• High-flow synthetic nanofibre filtration media

• Direct fit in OEM airbox – no modifications needed

• Increased surface area for better airflow

• Easy maintenance with cleaning kit (CK-003)

• Precision injection moulded using high-quality polymers

Dimensions:

• Length: 271mm

• Width: 233mm

• Shape: Unique