MST Performance Cold Air Intake (CAI) / Induction Kit for BMW B58 M140i M240i 340i 440i (F20–F23, F30–F36, 2016+) | High Flow Open Cone Filter & Turbo Inlet Hose Upgrade | F2x/F3x

MST Performance cold air intake upgrade for BMW B58 M140i, M240i, 340i, 440i

Unlock better breathing and a stronger soundtrack from your B58 straight six with this MST Performance air intake system. Perfect for BMW M140i, M240i, 340i and 440i on the F2x and F3x platforms from 2016 onwards, this high flow induction upgrade replaces the restrictive factory airbox to let your turbo inhale more freely and sound the part.

Why choose this air intake

• Noticeably freer airflow for sharper throttle response compared to the OEM airbox
• Richer induction sound and turbo spool for a more engaging drive
• Quality components engineered by MST Performance for the B58 engine
• Clean, OEM plus appearance in the bay thanks to a textured black powder coated finish

What is included

• High flow nanofibre dry cone air filter
• Reinforced silicone inlet hose for the turbo
• Alloy intake pipework with a CNC precision MAF sensor housing
• Laser cut heat shield to isolate the filter from engine bay warmth
• Comprehensive hardware pack for a straightforward fit

Fitment

For 2016 onward BMW models with the 3.0 litre B58 petrol engine:

• 1 Series M140i - F2x
• 2 Series M240i - F2x
• 3 Series 340i - F3x
• 4 Series 440i - F3x

Real world results

We run this MST upgrade on our own cars and have installed it for many customers. Feedback is consistently positive, with owners praising the improved response, the addictive whoosh of the turbo and the tidy, factory style finish.

Professional fitting

Supplied with a fitting kit for home installation. Prefer a hassle free fit. Book in with MJ Modifications in Warwickshire for expert installation. Request a quote at info@mjmodifications.co.uk.

Common search terms

BMW M140i cold air intake, M240i air intake system, 340i intake upgrade, 440i induction upgrade, B58 air intake, B58 performance filter, turbo inlet hose, open cone filter kit, F2x intake, F3x intake, MST Performance intake.