K&N Performance Panel High-Flow Air Filter – BMW B58 (G2x/G42 M240i, M340i, M440i)

The K&N High-Flow Panel Filter is a direct replacement upgrade for B58-powered BMW G-series models. Designed to increase airflow and improve throttle response, it provides a deeper induction tone and long-life serviceability thanks to K&N’s clean-and-reuse construction.

Fitment: BMW G2x/G42 M240i, M340i, M440i
SKU: 33-3136

Key Features

Increased Airflow vs OEM

– Improves engine breathing
– Sharper throttle response
– Supports tuned and stock engines

Reusable Cotton Gauze Design

– Washable & re-oilable
– Long service life
– Cost-effective over time

OEM-Style Fitment

– Drop-in replacement
– No tuning required
– Works with stock airbox

Benefits

– Better response on B58 engines
– Richer induction tone
– Improved long-term filtration efficiency

Fitment

– BMW G42 M240i
– BMW G20/G21 M340i
– BMW G22/G23 M440i

Installation Notes

– Direct drop-in replacement
– Clean and re-oil when required

About K&N

K&N is a global leader in performance filtration, known for delivering increased airflow and long-lasting reusable filters trusted across road and motorsport.