





MMX Chargepipe kit | MINI F5x | B38 | B48 | B37 | B47
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MMX Chargepipe Kit – MINI F5X B38, B48, B37 & B47
Improve boost reliability, airflow and throttle response on your F-Series MINI with the MMX High-Flow Chargepipe Kit.
Designed as a direct replacement for the factory charge pipework, the MMX kit replaces the more vulnerable OEM plastic sections with rigid, smooth-bore aluminium pipes engineered to cope with increased boost pressure and higher-performance engine setups.
MMX uses mandrel-bent, CFD-optimised pipework to improve airflow compared with the standard system while preventing the deformation, cracking and splitting that can affect factory plastic chargepipes.
For standard, tuned and fast-road MINI builds, the MMX Chargepipe Kit provides a worthwhile reliability upgrade while also improving airflow efficiency and engine-bay appearance.
Why Upgrade the Factory Chargepipes?
The standard MINI charge pipework is designed primarily around factory power levels, packaging and production cost.
As boost pressure and engine output increase, the original plastic pipework can become a weak point within the intake system.
Potential factory chargepipe issues can include:
- Cracking
- Splitting
- Boost leaks
- Pipe deformation
- Reduced throttle response
- Loss of boost pressure
The MMX aluminium replacement kit eliminates many of these weaknesses with stronger, rigid pipework designed for performance use.
Key Features
- MMX high-flow chargepipe kit
- Designed for F-Series MINI applications
- Marketed by MMX for B38, B48, B37 and B47 engines
- Lightweight aluminium construction
- Smooth-bore mandrel-bent pipework
- CFD-optimised internal airflow
- Replaces vulnerable factory plastic pipework
- Helps prevent boost leaks
- Prevents pipe deformation under load and vacuum
- Improved airflow
- Improved throttle response
- Improved boost reliability
- Suitable for increased boost pressure
- Three hard chargepipes included
- Two silicone coupler hoses included
- O-ring gaskets included
- C-clips included
- Jubilee clips included
- 1/8-inch auxiliary bung
- Suitable for water or methanol injection
- Full OE replacement
- No permanent modifications required
- Fully reversible
- Durable crinkle-black finish
- Laser-etched MMX branding
- MMX part number MMR02-1401
Three-Pipe Complete Upgrade
Unlike a single replacement chargepipe, the MMX kit provides three hard aluminium pipes.
This allows a much greater proportion of the factory boosted-air system to be replaced in one complete upgrade.
The kit also includes the connecting components needed for installation, making it a comprehensive chargepipe solution rather than an individual pipe replacement.
Improved Boost Reliability
One of the primary reasons to upgrade the factory chargepipe system is reliability.
When boost pressure increases, the factory plastic pipework can be subjected to significantly greater internal pressure.
Over time, this can lead to:
- Cracked pipework
- Split connections
- Boost leaks
- Sudden loss of power
The rigid aluminium MMX pipes are designed to withstand significantly increased power outputs without suffering from the same deformation issues associated with the factory system.
Smooth-Bore Mandrel-Bent Pipework
MMX uses smooth-bore mandrel-bent aluminium pipework throughout the kit.
Mandrel bending helps maintain the internal diameter through bends, reducing the narrowing and distortion that can create unnecessary restriction.
This provides a smoother airflow path between the turbocharger, intercooler and intake system.
CFD-Optimised Airflow
MMX states that the pipework has been CFD-optimised to improve airflow compared with the original system.
Reducing restriction within the charge system can help support:
- Improved throttle response
- More consistent boost delivery
- Higher airflow demand
- Tuned engine setups
Prevents Pipe Deformation
Plastic and flexible pipework can deform under:
- Boost pressure
- Vacuum
- Heat
- Repeated load cycles
The rigid aluminium MMX pipes maintain their shape during operation.
This helps provide a more consistent internal airflow path regardless of engine load.
Improved Throttle Response
Reducing pipe deformation and improving airflow efficiency can help the engine respond more quickly to throttle inputs.
MMX specifically identifies improved throttle response as one of the benefits of the high-flow chargepipe system.
This becomes particularly useful on tuned cars where the engine is operating at higher boost pressure.
Suitable for Tuned MINIs
The MMX Chargepipe Kit is particularly worthwhile for modified vehicles.
It can form part of a broader performance package including:
- Stage 1 tuning
- Stage 2 tuning
- Increased boost pressure
- Upgraded intercoolers
- Performance intake systems
- Larger turbochargers
- Performance exhaust systems
Even on a standard car, the stronger aluminium construction offers an improvement in long-term boost-system reliability.
Ideal with an Uprated Intercooler
The chargepipe system connects directly with the intercooler circuit, making it a natural supporting upgrade when fitting a larger performance intercooler.
Combining the two upgrades can help provide:
- Improved airflow
- Lower charge temperatures
- Improved boost reliability
- More consistent performance
For tuned F-Series MINI builds, upgrading both components can provide a more complete charge-air system.
1/8-Inch Auxiliary Bung
The MMX hard pipes include a 1/8-inch auxiliary bung.
This provides a convenient connection point for:
- Water injection
- Methanol injection
- Water/methanol systems
without requiring additional drilling or welding into the chargepipe.
MMX specifically includes this feature to simplify the installation of auxiliary injection systems.
Complete Installation Hardware
The MMX kit includes the supporting components required for installation.
The package contains:
- Three aluminium chargepipes
- Two silicone coupler hoses
- O-ring gaskets
- C-clips
- Required jubilee clips
This helps ensure the new system has secure and consistent connections throughout.
Full OE Replacement
The MMX Chargepipe Kit is designed as a direct replacement for the original MINI pipework.
No permanent vehicle modifications are required.
This provides a cleaner installation and means the original components can be refitted later if necessary.
Fully Reversible
Because the kit uses the factory-style connection points, installation does not permanently alter the car.
The OEM chargepipes can therefore be reinstalled if required.
Crinkle-Black Finish
The aluminium pipework is finished in a durable crinkle-black coating.
This provides:
- Surface protection
- OEM-plus appearance
- Durable engine-bay finish
Laser-etched MMX branding adds a subtle performance look without making the engine bay overly flashy.
MINI F54 Clubman
The MMX Chargepipe Kit is listed for applicable MINI F54 Clubman applications.
Depending on model and engine specification, this can include petrol and diesel variants across the F-Series range.
Exact engine compatibility should be confirmed before ordering.
MINI F55 5-Door Hatch
Applicable MINI F55 models are also covered by MMX's F5X chargepipe range.
This includes compatible One, Cooper and Cooper S applications.
MINI F56 Hatch
The MMX kit is particularly relevant for MINI F56 models including applicable:
- MINI One
- MINI Cooper
- MINI Cooper S
- MINI John Cooper Works
The stronger aluminium construction is especially useful on tuned Cooper S and JCW builds running increased boost.
Engine Compatibility
MMX currently markets the product under the title:
- B38
- B48
- B37
- B47
However, the current MMX live fitment table specifically lists B48 within its detailed vehicle-fitment data.
Because MINI engine and pipework specifications vary by model year and variant, exact fitment should be confirmed before ordering.
Compatibility
MMX currently lists the product within its F-Series MINI range for:
- MINI F54
- MINI F55
- MINI F56
- 2014+ applications
- One
- Cooper
- Cooper S
- JCW
Product title coverage includes:
- B38 petrol
- B48 petrol
- B37 diesel
- B47 diesel
Please confirm the exact engine code and chargepipe configuration before ordering, particularly for B38, B37 and B47 applications.
What's Included?
The MMX Chargepipe Kit includes:
- 3x aluminium chargepipes
- 2x silicone coupler hoses
- O-ring gaskets
- C-clips
- Required jubilee clips
- 1/8-inch auxiliary injection bung
Supplied as a complete chargepipe replacement package.
Explore More MINI F-Series Performance Upgrades
Looking to improve your MINI further? Explore our range of intake, cooling and performance components.
MINI F56 Parts – Browse induction, cooling, suspension and performance upgrades for F-Series MINI models.
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