K&N Washable Reusable High-Flow Panel Engine Air Filter for BMW X4 F26 2014–2018 xDrive35i/35iX & M40i | Cotton Gauze Drop-In OEM Airbox Replacement Performance Intake Filter E89 Z4 30i Original BMW component for precise

Original BMW component for precise fitment and long-lasting quality

stable friction under repeated heavy use

stable braking with reduced judder due to the ultra-flat finish

Give your BMW 1 Series a serious stance and sharper road manners with this H&R tiefe edition sport spring kit

K&N Washable Reusable High-Flow Panel Engine Air Filter for BMW X4 F26 2014–2018 xDrive35i/35iX & M40i | Cotton Gauze Drop-In OEM Airbox Replacement Performance Intake Filter E89 Z4 30i Original BMW component for preciseK&N cleanable cotton panel insert for BMW X4 F26 xDrive35i, 35iX and M40i 2014 to 2018 Give your BMW X4 the breathing it deserves with a premium K&N serviceable panel insert. This precision fit element slots straight into the factory airbox on X4 F26 xDrive35i, 35iX and M40i models from 2014 to 2018, helping the engine inhale more efficiently for crisper throttle response, stronger midrange pull and a richer induction note while retaining excellent