The MST BMW B58 3.0L turbo Cold Air Intake for the 2020 M340i/M440i is the perfect addition to any engine bay. Give your vehicle added horsepower, torque, snappier throttle response, and an aggressive turbo sound. Typical peak gains from our CAI are roughly 15-20 Horsepower and Torque.

• Delivers cold air to your turbocharger
• 4" intake pipe
• 4" air filter
• Improved throttle response
• More aggressive and sporty induction sound
• Black powder coated inlet pipe and heat shield
• Easy to maintain DRY cone air filter
• Dyno result: Max gains 15-20hp

• BMW 3 Series G20 G21 M340i B58 3.0L (2020+)
• BMW 4 Series G22 G23 M440i B58 3.0L (2020+)

Includes xDrive models

To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number(UK) or the last 7 digits of your VIN. Simply enter your car details prior to checkout. 

Dyno Graph

MST-BW-B5802

Manufactured by

MST Performance

Fitted Photos