BMW 123d E81 E82 E87 E88 2007-2012 K&N Performance Air Filter

Direct-fit K&N washable air filter for the BMW 123d (E81, E82, E87, E88, 2007-2012). Replaces the OEM unit in your stock airbox - no cutting, no mods, no tuning required.

• Engineered for the N47 diesel: optimised flow without compromising filtration or reliability
• Reusable for life: clean with K&N solution every ~50,000 miles, depending on conditions
• Made in the USA, backed by K&N’s Million-Mile Limited Warranty
• Delivers sharper throttle response and measurable airflow gains - ideal for fast-road or track-day use