It is used to connect CobraRTP to ECUs with 87c257 (B57922) chips, as well as to install more affordable chips, such as 27c256, 29c256, 27c512. An adapter is required to set up turbocharging control in Motronic m2.3.2, m2.7, etc. (Audi, Opel)
Observe the correct installation (as in the photo above)!
Attention! CobraRTP products are designed for use in motorsports! Use on civil transport and/or public roads is prohibited!