BMW F20 F21 120i N13B16A stage 1 air filter, Pipercross foam panel

Pipercross washable foam panel filter for the BMW F20 and F21 120i with N13B16A engine (02/2015 onwards). Direct fit in the stock airbox - no trimming, no mods.

• Triple-layer reticulated foam: better airflow than paper, longer life than cotton gauze
• Up to 30% more airflow - sharper throttle response, improved efficiency
• No V-grooves to trap debris; easy rinse-and-reoil maintenance
• Made in Northamptonshire; lifetime warranty for road use