Quote:
Originally Posted by Nikolov
Can you elaborate on the “manual exhaust sound tuning” part? Also how did you remove the OPF without getting a CEL?
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Manual exhaust sound tuning was by changing input parameter of ECUs original firmware. We checked our map and compared it to original pre-July 2019 map. So bits 0 / 1 were changed exactly where they had to be changed. And nothing else like HP or torque. As well as CEL was not triggered because factory parameters inside firmware were switched off manually as well before the car was started.