BMW B58 Induction Kit – M140i, M240i, 340i, 440i (2016+) | Gtech Motorsports

Give your BMW B58 engine the airflow it deserves with the Gtech Motorsports induction kit for M140i, M240i, 340i and 440i (2016+). By replacing the restrictive factory airbox, it improves throttle response, increases power and unleashes a deeper, more aggressive induction sound while retaining a direct bolt-on fit for both stock and tuned cars.

Key Features & Benefits:

• Proven dyno gains of up to 12–14bhp depending on setup
• Faster throttle response and improved turbo spool
• Aggressive induction noise for a sportier driving feel
• Black powder-coated heat shield and inlet pipe for durability
• Cold air feed design keeps intake temps low
• Reusable pleated filter for easy cleaning and long life
• Direct bolt-on fit with full fitting hardware included

Vehicle Compatibility / Fitment:
Fits BMW B58-powered models (2016+):

• M140i (F20/F21/F40)
• M240i (F22/F23/F44/F45/F46)
• 340i (F30/F31/F34)
• 440i (F32/F33/F36)

Technical Specifications:

• Material: Black powder-coated heat shield and inlet pipe
• Filter: High-flow reusable dry pleated filter
• Design: Cold air feed with sealed shield for reduced heat soak
• Finish: Durable powder coat for long-term protection

Installation Information:

• Tools required: Basic hand tools
• Install time: 1–2 hours
• Design: Direct-fit bolt-on kit with instructions included
• Professional installation: Optional but not required

Performance Gains / Why It’s Needed:

The factory airbox limits airflow and muffles sound. Upgrading to the Gtech B58 Induction Kit provides sharper throttle response, noticeable horsepower gains, improved turbo spool, and a deeper induction tone, perfect for both road and track use.

What’s Included in the Kit:

• Powder-coated heat shield
• Powder-coated inlet pipe
• High-flow pleated filter (red)
• Silicone joiner
• Full fitting kit and instructions

Warranty & Guarantee:

Includes manufacturer warranty. Returns accepted on unused items in original packaging.

FAQs:

Q: How much power can I expect to gain?
A: Dyno tests show average gains of 12–14bhp, with better throttle response.

Q: Does it fit all B58 models?
A: Fits M140i, M240i, 340i, and 440i (2016+). Contact us if unsure.

Q: Do I need a remap after installing?
A: No, it works perfectly on stock software, but gains are maximised with tuning.

Q: How do I clean the filter?
A: The pleated filter is reusable and can be cleaned and refitted easily.