K&N Replacement Air Filter (33-2363)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. 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

The Forge boost pipe for BMW 135 F20 will Increase throttle response and decrease turbo lag

which essentially bottle-necks the inlet tract to the throttle body

Tested to 4BAR before despatch

Our actuator is a simple and quick fit solution

it also increases the throttle response during gear changes by reducing turbo lag

lower radiator hose

If you are unsure

Models: 1989 - 1993

FMTIA14 fits directly to the factory airbox and with most aftermarket performance intakes but is best combined with Forge Motorsports intake system FMINDK53

1 x Bent Nail

OEM Part Number: Bush = 171411313 / 171 411 313

the main and most important change is the incorporation of the OEM air duct which allows the kit to fit up to the original cold air ducting