33-2070 K&N Replacement Air Filter, BMW 3/5/7-Series, Z3/4, M-Coupe, M3 L6 Petrol, '90-06 2.5 Turbo The Viton O-ring has a

The Viton O-ring has a square profile

Our 12L VE/VF reservoir is so unique we have been granted a patent for it

LS9 and LSA

these can easily be sourced online

The factory tools will still work for service

33-2070 K&N Replacement Air Filter, BMW 3/5/7-Series, Z3/4, M-Coupe, M3 L6 Petrol, '90-06 2.5 Turbo The Viton O-ring has aOVERVIEW K&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. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product! DETAILS RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state of the art