K&N BMW S58 Replacement Air Filters For BMW F97 X3M & F98 X4M FERRARI sides and rear of the

sides and rear of the vehicle

BMW Z4 18i 20i 23i braking

Chrome silicon steel construction and multi tempering for strength and consistency

We have fitted these on customer cars and our own builds – feedback has been consistently positive for both the visual impact and the quality feel

K&N BMW S58 Replacement Air Filters For BMW F97 X3M & F98 X4M FERRARI sides and rear of theK&N's replacement air filters for the BMW S58 engine found in the F97 X3M and X4M offer improved airflow over the standard BMW panel filters. Upgrade your BMW S58 engine's performance with K&N's premium air filters. Engineered to deliver superior airflow and filtration, K&N's BMW S58 air filters optimise engine efficiency and power output. Crafted with high quality materials and advanced technology, K&N air filters provide long lasting durability and