Forge BMW M2/M135i/M235i/335i/435i N55 Charge Pipe (F87/F20/F22/F30/F32)Many of you will already be aware that the original plastic charge pipe is a real weak link on the N55, and over the last 6 months, we have received many requests after the charge pipes fail. If you take a look at the images above you can see how the coupler becomes brittle leading to cracking, fracture and ultimate failure. Our alloy replacement uses a CNC coupler to ensure this is a permanent solution. We would recommend that whilst replacing this