Description
Unlock the full potential of your M139 engine with the Weistec Water-Methanol Injection (WMI) System. This premium system enhances performance, reduces intake air temperatures, and increases resistance to knock and detonation. Engineered specifically for the M139 engine, it provides an ideal balance of reliability, power, and ease of installation, making it a must-have for any performance enthusiast.
Key Features
1. Superior Cooling and Knock Resistance
The Weistec WMI System combines the cooling properties of methanol with the knock-prevention benefits of water to optimize engine performance.
- Reduced Intake Air Temperatures: Prevents heat soak for consistent, high-performance operation.
- Enhanced Knock Resistance: Maximizes ignition timing and improves power delivery.
- Significant Power Gains: Achieve 20-80 HP increases depending on configuration and tuning.*
2. Precision Engineered for M139
Unlike universal kits, this system is designed specifically for the M139 engine, ensuring seamless integration and performance.
- Aluminum Charge Pipe: Made from durable 60-61 aluminum, featuring integrated injector ports for uniform methanol distribution.
- Water-Methanol Controller: Includes a built-in MAP sensor for precise, progressive injection as boost increases.
3. Complete Bolt-On Kit
The Weistec WMI System is a ready-to-install solution, eliminating the guesswork and complexity of universal setups.
- CNC-Machined Injector Bodies: Includes built-in check valves for reliable performance.
- Versatile Injection Nozzles: Comes with small, medium, and large nozzles to suit various configurations.
- Integrated Tank: Features a built-in level sensor (tank design may vary).
- All Necessary Hardware Included: High-quality fittings, gaskets, and adapters for straightforward installation.
Performance Benefits
- Up to 80 HP Gains*: Leverage improved cooling and octane to unlock significant power and torque increases.
- Enhanced Turbocharger Efficiency: Compatible with stock, W.3, and W.4 turbochargers.
- Reliability and Consistency: Maintain peak performance even during extended, high-demand driving sessions.
Why Choose the Weistec WMI Kit?
This system is a complete, bolt-on upgrade tailored for the M139 engine, offering unmatched cooling and knock resistance benefits. Designed with precision, it ensures smooth and seamless operation, outperforming universal kits in both performance and ease of installation.
Included Components
- 60-61 Aluminum Charge Pipe: Built-in injector ports for efficient methanol delivery.
- Water-Methanol Controller: With integrated MAP sensor for progressive boost-based injection.
- CNC-Machined Injector Bodies: Includes integrated check valves for reliability.
- Injection Nozzles: Three sizes included for custom setups.
- Integrated Tank with Level Sensor: Discreet design ensures functionality and convenience.
- All Necessary Hardware and Gaskets: Quick disconnect fittings for easy maintenance.
Compatibility
The Weistec WMI Kit is designed for the M139 engine and supports stock, W.3, and W.4 turbochargers, making it an essential upgrade for AMG A45, CLA45, GLA45, and related platforms.
Vehicle application:
2024 Mercedes-Benz A45 AMG S Hatchback (W177) Turbocharged 2L I4 (M139)
2023 Mercedes-Benz A45 AMG S Hatchback (W177) Turbocharged 2L I4 (M139)
2022 Mercedes-Benz A45 AMG S Hatchback (W177) Turbocharged 2L I4 (M139)
2021 Mercedes-Benz A45 AMG S Hatchback (W177) Turbocharged 2L I4 (M139)
2020 Mercedes-Benz A45 AMG S Hatchback (W177) Turbocharged 2L I4 (M139)
2019 Mercedes-Benz A45 AMG S Hatchback (W177) Turbocharged 2L I4 (M139)
2023 Mercedes-Benz GLA45 AMG S Hatchback (H247) Turbocharged 2L I4 (M139)
2022 Mercedes-Benz GLA45 AMG S Hatchback (H247) Turbocharged 2L I4 (M139)
2021 Mercedes-Benz GLA45 AMG S Hatchback (H247) Turbocharged 2L I4 (M139)
2020 Mercedes-Benz GLA45 AMG S Hatchback (H247) Turbocharged 2L I4 (M139)
2023 Mercedes-Benz CLA45 AMG Coupe (C118) Turbocharged 2L I4 (M139)
2022 Mercedes-Benz CLA45 AMG Coupe (C118) Turbocharged 2L I4 (M139)
2021 Mercedes-Benz CLA45 AMG Coupe (C118) Turbocharged 2L I4 (M139)
2020 Mercedes-Benz CLA45 AMG Coupe (C118) Turbocharged 2L I4 (M139)
2019 Mercedes-Benz CLA45 AMG Coupe (C118) Turbocharged 2L I4 (M139)
2023 Mercedes-Benz CLA45 AMG S Coupe (C118) Turbocharged 2L I4 (M139)
2022 Mercedes-Benz CLA45 AMG S Coupe (C118) Turbocharged 2L I4 (M139)
2021 Mercedes-Benz CLA45 AMG S Coupe (C118) Turbocharged 2L I4 (M139)
2020 Mercedes-Benz CLA45 AMG S Coupe (C118) Turbocharged 2L I4 (M139)
2019 Mercedes-Benz CLA45 AMG S Coupe (C118) Turbocharged 2L I4 (M139)
2023 Mercedes-Benz CLA45 AMG Shooting Brake (X118) Turbocharged 2L I4 (M139)
2022 Mercedes-Benz CLA45 AMG Shooting Brake (X118) Turbocharged 2L I4 (M139)
2021 Mercedes-Benz CLA45 AMG Shooting Brake (X118) Turbocharged 2L I4 (M139)
2020 Mercedes-Benz CLA45 AMG Shooting Brake (X118) Turbocharged 2L I4 (M139)
2019 Mercedes-Benz CLA45 AMG Shooting Brake (X118) Turbocharged 2L I4 (M139)
2023 Mercedes-Benz CLA45 AMG S Shooting Brake (X118) Turbocharged 2L I4 (M139)
2022 Mercedes-Benz CLA45 AMG S Shooting Brake (X118) Turbocharged 2L I4 (M139)
2021 Mercedes-Benz CLA45 AMG S Shooting Brake (X118) Turbocharged 2L I4 (M139)
2020 Mercedes-Benz CLA45 AMG S Shooting Brake (X118) Turbocharged 2L I4 (M139)
2019 Mercedes-Benz CLA45 AMG S Shooting Brake (X118) Turbocharged 2L I4 (M139)
2023 Mercedes-Benz GLA45 AMG Hatchback (H247) Turbocharged 2L I4 (M139)
2022 Mercedes-Benz GLA45 AMG Hatchback (H247) Turbocharged 2L I4 (M139)
2021 Mercedes-Benz GLA45 AMG Hatchback (H247) Turbocharged 2L I4 (M139)
2020 Mercedes-Benz GLA45 AMG Hatchback (H247) Turbocharged 2L I4 (M139)
2022 Mercedes-Benz A45 AMG Hatchback (W177) Turbocharged 2L I4 (M139)
2021 Mercedes-Benz A45 AMG Hatchback (W177) Turbocharged 2L I4 (M139)
2020 Mercedes-Benz A45 AMG Hatchback (W177) Turbocharged 2L I4 (M139)
2019 Mercedes-Benz A45 AMG Hatchback (W177) Turbocharged 2L I4 (M139)
The standard shipping rate applies to orders within the continental United States. If you intend to place an order outside of the continental US, please reach out to support@x-ph.com for assistance.
