MST BMW F3X B48/B46 Cold Air Intake System (BW-B4801)

The MST BMW F3X B48/B46 Cold Air Intake System is designed to enhance the performance of your 2.0L turbocharged engine. Featuring a large 3.5" air filter and precision-engineered heat shield, this system increases airflow while reducing heat soak from the engine bay. The result is cooler intake air, improved horsepower, and a more aggressive induction sound.

On the dyno, this system has shown gains of up to 10–12 horsepower, delivering noticeable improvements in throttle response and driving dynamics. The included high-quality, washable, and reusable lifetime air filter ensures consistent performance without the need for costly replacements.

Features:

• Maximizes airflow for increased performance and efficiency

• Large 3.5" high-flow air filter

• Heat shield reduces intake of hot engine air

• Aggressive, sporty induction sound

• Washable and reusable lifetime air filter

• Dyno-proven gains of up to 10–12 HP

Important Notes:

• MST Performance intakes/inlets are NOT CARB compliant. For off-road and racing use only on unregistered vehicles.

• Check all local, state, and federal laws before installation or use. By purchasing, you accept full liability.

• Due to high demand, MST products may have a 2–4 week lead time, though some orders ship sooner if stock is available.

Vehicle Fitment

This MST BMW F3X B48/B46 Cold Air Intake System fits the following models with the 2.0L B48/B46 engine:

• BMW 230i (F22/F23)

• BMW 320i (F30/F31/F34)

• BMW 330i (F30/F31/F34)

• BMW 420i (F32/F33/F36)

• BMW 430i (F32/F33/F36) 

Note: Please make sure our kit is compatible with your car before you place an order. If you have any questions, please contact us.