CTS Turbo Air Intake System - BMW F-Series M140i/M240i/440i B58 3.0L

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CTS TurboSKU: CTS-IT-340R DIY Difficulty: EASY


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CTS Turbo is proud to release an updated version of our popular F-series BMW B58 3.0L intake for M140i/M240i/340i/440i. Our intake kit is a complete replacement for the OEM system.

The design intent was to create the largest, highest flowing intake on the market.

Starting with a massive 6 velocity stack air filter, the intake features a 3.5 aluminum pipe that connects perfectly to the turbo inlet. No restrictions, no problems.

We also added an extra turbo heatshield in order to keep air intake temperatures as low as possible.

Without any extra tuning, peak power gains range from 12 to 20HP (fuel and elevation dependent).

All of the components included in the CTS air intake system work flawlessly together to provide increased horsepower and torque throughout the entire power band and an aggressive race-inspired sound.

This new revised version features a more rigidly mounted inlet pipe and a better sealing heatshield for superior performance without a CEL**


  • Massive 6 velocity stack reusable air filter
  • 3.5 air intake pipe
  • CNC machined MAF sensor mount, updated design
  • Black powder coat for OEM look
  • Two heat shields with rubber seals
  • Great sound and power increase
  • Affordable price without sacrificing quality
  • Compatible with factory and aftermarket turbo inlet pipes

What's Included:

  • CTS Turbo Air Intake System


  • F22/F23/F30/F32/F33/F34/F36 BMW M140i/M240i/340i/440i models with B58 3.0L engine (2015-2018)
  • Fits LHD and RHD vehicles.
  • Fits RWD and X-drive models.
  • Does not fit G20 340i vehicles (2019+)

**Note: no CEL was reported, as this intake has been extensively tested on many different B58 vehicles.

Vehicle Fitment

Model   + Drivetrain  
F22 · F23 · F87 M240i 3.0T I6 [B58] +
F30 · F80 340i 3.0T I6 [B58] +
F32 · F33 · F36 · F82 · F83 440i 3.0T I6 [B58] +

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