K&N Replacement Air Filter (33-2339) BMW M3/G80 4L for optimum breathing

4L for optimum breathing

This is a piston design blow off valve (BOV) that is a direct replacement for the original fitment

This equates to a huge reduction in inlet temperatures and up to 30°C difference in cooling efficiency compared with the original intercooler

PFR57-830 Rear Top Mount Isolator Bush is a direct replacement for the OE foam isolator

035) / 500 SE

K&N Replacement Air Filter (33-2339) BMW M3/G80 4L for optimum breathingK&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