AIRTEC Motorsport N55 Cold Air Intake / Induction Kit for BMW M135i M235i 335i 435i & M2 Non-Competition F20 F21 F22 F23 F30 F31 F34 F32 F33 F36 F87 2011-2017 - Performance Turbo Intake Cone Filter Heat Shield Upgrade CAI Bolt-On

Transform your N55 with a performance intake that delivers crisp throttle, louder turbo sounds and a clean, OEM-plus look

Engineered in the UK by AIRTEC Motorsport, this high-flow intake system is a direct bolt-on upgrade for BMW’s N55-powered F-series. It replaces the restrictive factory airbox with a freer-breathing cone filter and a heat-shielded cold feed pathway, allowing your turbocharger to inhale cooler air with less resistance. The result is sharper response, faster spool and that addictive whoosh under load, all while smartening up the engine bay.

Key reasons enthusiasts choose this setup

• Simple, no-cut, no-drill fitment that swaps in place of the stock assembly
• Large cotton gauze cone for increased airflow and tuning potential
• Laser-cut heat barrier helps guard against heat soak and directs cold feed air
• Enlarged intake tube reduces restriction and smooths the airflow path to the turbo
• Deeper, sportier induction note without drone
• Durable black powder-coated hardware for a tidy, motorsport-inspired finish
• Supplied complete with brackets, fixings and clear instructions

Proven on customer cars

We have fitted and run this kit on multiple N55 vehicles and the feedback is consistently excellent. Owners report noticeably sharper throttle, stronger mid-range pull and a more engaging soundtrack that really brings the straight-six to life.

Compatibility

• 1 Series F20 and F21 - M135i and M135i xDrive - N55 - 2011 to 2015
• 2 Series F22 and F23 - M235i and M235i xDrive - N55 - 2014 to 2016
• 3 Series F30, F31 and F34 - 335i and 335i xDrive - N55 - 2011 to 2015
• 4 Series F32, F33 and F36 - 435i and 435i xDrive - N55 - 2013 to 2016
• M2 F87 - N55 non-Competition only - 2016 to 2017

Suitable for rear-wheel drive and all-wheel drive variants listed above. M2 non-Competition models only.

What is included

• High-flow cotton gauze cone filter
• Laser-cut, powder-coated heat shield
• Enlarged intake pipework
• All required brackets, bolts and fixings
• Installation guide

Why this upgrade works

The stock airbox and ducting can limit the volume and speed of air reaching the compressor. By opening up the intake tract with a bigger filter element and smoother tubing, this kit reduces pressure drop and helps your turbo breathe efficiently. The shielded design draws in colder air from the front feed, helping manage intake temperatures during spirited driving.

Fitting and support

DIY friendly with basic tools. For professional installation and peace of mind, book with MJ Modifications in Warwickshire. Request a fitting quote: info@mjmodifications.co.uk.

Search terms customers use

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Need help with compatibility? Contact us and we will be happy to assist.