K&N Replacement Air Filter (33-2474) BMW > 3 Series > E46 Coupe/Convertible/Saloon/Estate 1997- 2006 > 320D we then tried to establish

we then tried to establish if we could re-engineer the intercooler with an increased inlet and outlet size along with increasing the volumetric capacity to increase flow along with future proofing the design to work well with highly tuned stage 3 plus EA888 Gen 4 engines

Complete Bolt-On Kit: No extra components required

Consistent turbo boost & reduced turbo lag

and replaces it with our smooth bore multi-ply silicone hose which increases air flow

and is designed to improve the drivability of your vehicle giving you maximum power when you want it

K&N Replacement Air Filter (33-2474) BMW > 3 Series > E46 Coupe/Convertible/Saloon/Estate 1997- 2006 > 320D we then tried to establishK&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