MMR Alloy Charge Pipe / Boost Pipe / Intercooler Pipe Kit for BMW N55 E82 E88 E90 E91 E92 E93 135i 335i 335xi xDrive - Intercooler-to-Throttle Body Chargepipe OEM Replacement, Turbo Outlet Hard Pipe, 1/8 NPT Meth Port - Black - E8X

Alloy Boost Pipe Upgrade for BMW N55 E82 E88 E90 E91 E92 E93 135i 335i 335xi

Transform the way your turbocharged N55 delivers pressure to the throttle body with this MMR aluminium boost tube kit. It replaces the fragile factory plastic ducting between the intercooler and throttle plate with a rigid, smooth-flow alloy hard pipe that resists cracking, ballooning and leaks under elevated boost. Ideal for mapped cars and anyone chasing sharper throttle response, stronger midrange and dependable performance without the common limp mode headaches caused by the stock pipework.

Precision engineered from lightweight aluminium with a smooth internal bore, this direct-fit charge air pipe reduces turbulence and maintains consistent pressure, helping your N55 breathe freely. The textured crinkle black finish with laser-etched branding looks OEM-plus in the bay, while the CNC machined throttle body connection delivers a secure, leak-free seal. A built-in 1/8 NPT port gives you an easy provision for water-meth injection or boost reference now or in the future.

Main features

• Direct-fit alloy replacement for the brittle plastic turbo pressure pipe on N55 engines
• Smooth-bore aluminium tube for improved flow and crisp throttle feel under load
• Designed to handle higher boost on remapped and tuned setups for long-term reliability
• Durable textured black coating with subtle laser-etched logo for an OEM-plus aesthetic
• CNC machined connection for a precise, secure, leak-resistant interface at the throttle body
• Integrated 1/8 NPT port for methanol or water injection, boost gauge or solenoid reference
• Complete kit with silicone coupler, c-clip retaining ring and jubilee clamps for an easy install

What you get

• MMR aluminium charge air hard pipe with CNC machined union
• High quality silicone joiner
• OE-style c-clip
• Jubilee clips

Compatibility

For BMW models with the N55 turbo engine:

• BMW 135i E82 coupe and E88 convertible
• BMW 335i E90 saloon, E91 touring, E92 coupe, E93 convertible
• BMW 335xi E9X xDrive

Chassis codes covered: E82 E88 E90 E91 E92 E93.

Why upgrade this pipework

• Eliminates the well-known failure point of the stock plastic pipe and its tendency to split under boost
• Reduces pressure drop and helps maintain consistent boost delivery to the throttle body
• Future-proofs your setup with a ready-to-use 1/8 NPT accessory port
• Perfect for daily drivers, spirited road use and track days on modified or standard cars

Proven by us and loved by our customers

We run this MMR alloy boost pipe on our own N55 builds and our customers consistently report a tighter, more responsive feel with rock-solid reliability. It is a simple, effective solution to the common OE plastic pipe failure and a must-have supporting mod for anyone planning a remap or higher boost levels.

Installation

This is a plug-and-play replacement for the original pipework and installs with common hand tools. Professional fitting is recommended for best results. MJ Modifications offers fitting at our Warwickshire workshop. For a quote, email info@mjmodifications.co.uk.

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