Description
The Evolution Racewerks Cold Side “J” Charge Pipe is a high-strength, cast aluminum upgrade designed for the S55 twin-turbo engine found in the BMW M2 Competition, M3, and M4. The factory plastic “J” pipe is a well-known failure point, especially under increased boost levels—often cracking or blowing apart after tuning. This cast 6061-aluminum replacement solves that issue permanently while improving airflow, throttle response, and reliability.
Unlike cut-and-weld aftermarket pipes, this “J” pipe is fully cast to maintain the ideal factory geometry, ensuring smooth airflow with no turbulence. The pipe features a CNC-machined throttle body flange, converting the weak OEM plastic retaining clip into a stronger metal C-clip connection for secure, leak-free performance.
Key Features:
• Improves throttle response and reduces turbo lag
• Cast 6061 aluminum construction for maximum strength
• Replaces the weak factory plastic “J” charge pipe
• Converts OEM plastic clip to a stronger metal C-clip
• CNC-machined throttle body connection for a leak-free seal
• Smooth interior geometry for optimized airflow
• Beaded ends with high-quality band hose clamps
• Silicone hump hose included
• Two 1/8” NPT ports for methanol/nitrous or vacuum/boost reference
• Optional Type III hard black anodizing
• Plug-and-play installation
• Includes all hardware
• Limited Lifetime Warranty
Fitment
Compatible With:
• 2015 BMW M3 (S55)
• 2016 BMW M3 (S55)
• 2017 BMW M3 (S55)
• 2018 BMW M3 (S55)
• 2019 BMW M3 (S55)
• 2020 BMW M3 (S55, production overlap models)
• 2015 BMW M4 (S55)
• 2016 BMW M4 (S55)
• 2017 BMW M4 (S55)
• 2018 BMW M4 (S55)
• 2019 BMW M4 (S55)
• 2020 BMW M4 (S55)
• 2019 BMW M2 Competition (S55)
• 2020 BMW M2 Competition (S55)
Each pipe includes beaded ends, premium band clamps, and a silicone hump hose to prevent boost pressure blow-off. Two integrated 1/8” NPT ports allow the easy addition of methanol injection, nitrous, or a vacuum/boost reference port. Optional Type III Hard Black Anodizing provides a stealthy OEM appearance with added durability.
