K&N E-3690 Round Air Filter 11"OD,9-1/4"ID,6"H ymm_79 RED LINE Oil 11705 High

RED LINE Oil 11705 High Performance Motor Oil 10W60 3

2003-2005 BMW E85 Z4 2

Disc Diameter (mm): 410

The cast aluminum end boxes are optimized using CAD and CFD simulations to ensure ideal airflow and minimal back pressure

The best news is that there are significant gains across the entire rev range

K&N E-3690 Round Air Filter 11"OD,9-1/4"ID,6"H ymm_79 RED LINE Oil 11705 HighDescription K&N E 3690 Round Air Filter 11"OD,9 1 4"ID,6"H K&N washable, reusable High Flow Air Filters feature a layered, oiled cotton media designed to improve airflow and capture contaminants. These filters are engineered to provide an increase in horsepower and are intended to last for the entire lifespan of the vehicle. Each performance air filter is reusable and installs easily into the factory air box. K&N drop in replacement filters are