33-2970 K&N Replacement Air Filter, 2009 -2013 BMW 530i/ 528i/ 730i/ 523i harware componets K&N cartridge oil filters trap

K&N cartridge oil filters trap harmful contaminants while the filter's construction allows for high oil flow rates

the new fabricated housing mounts neatly behind the left hand headlight and houses a quality K&N pod filter that can be easily connected to anything from the standard intake pipe still with the MAF meter right through to an aftermarket pipe designed for a Supercharger

Glass+ is a powerful hydrophobic sealant that has been designed to repel dirt and water

HP Tuners RTD + 4 Universal credits

This is a 100% bolt-on solution

33-2970 K&N Replacement Air Filter, 2009 -2013 BMW 530i/ 528i/ 730i/ 523i harware componets K&N cartridge oil filters trapK&N washable, reusable High Flow Air Filters feature a state of the art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's No Hassle Lifetime Limited Warranty. K&N drop in replacement filters are designed to install easily into your