BMW F26 20dX (2014-2018) K&N X4 (F26) Performance Air Filter

Direct-fit K&N X4 (F26) air filter for the BMW F26 20dX (2014-2018). No mods, no tools - drops straight into the factory airbox.

• Washable and reusable; up to 50,000 miles between cleans
• Improved airflow and throttle response - ideal for fast road or track-day use
• No ECU tuning required; fully compatible with OEM sensors and electronics
• Made in the USA; backed by K&N’s Million-Mile Limited Warranty