MMX Alloy Chargepipe Upgrade Turbo Boost Pipe Kit for BMW B58 M140i M240i 340i 440i F20 F21 F22 F23 F30 F31 F32 F33 F36

Uprated Turbo Boost Pipe Upgrade for BMW 140i, 240i, 340i, 440i with B58 Engine

Replace the fragile factory plastic ducting on your B58-powered BMW with this robust MMX alloy hard pipe kit. Designed to cope with elevated boost and heat, this charge pipe upgrade delivers stronger, more consistent pressure under load, crisper throttle response and a cleaner engine bay finish. It is a proven reliability upgrade for tuned cars and a smart preventative fix for standard vehicles that want peace of mind.

• Alloy construction built to withstand higher boost pressure and heat cycles
• Smoother internal path to support airflow and maintain stable boost
• Helps prevent boost leaks and limp mode issues caused by cracked OEM plastic pipes
• Direct-fit replacement designed to work with factory connections
• Ideal foundation for remaps, intake upgrades, downpipes and intercoolers
• Neat OEM plus look that tidies the bay

Compatible BMW Models

B58 3.0 turbo petrol:

• 1 Series M140i F20 F21
• 2 Series M240i F22 F23
• 3 Series 340i F30 F31
• 4 Series 440i F32 F33 F36

Why choose this upgrade

The stock boost pipe is a common weak point when running higher boost or spirited driving. This MMX charge pipe upgrade replaces it with tough lightweight alloy for dependable performance. Our team at MJ Modifications has installed this kit on multiple customer cars and our own demonstrators. Feedback has been excellent, with owners reporting rock solid boost control and confidence on the road.

Fitting and support

Professional installation recommended. MJ Modifications in Warwickshire can supply and fit. For a fitting quote, email info@mjmodifications.co.uk.

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