Mercedes Benz S550 Stage 1.5 ECU tuning + bubbling installation
ECU tuning and bubbling of a Mercedes-Benz S Coupe 550. The tuning is not the usual stage 1, but stage 1.5 with a more optimised start.
Log data is taken for the entire range of gears to verify that the data is optimum. The logs include ignition timing, intake air temperature, engine load and air-fuel ratio.
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