Just got a Vems PnP from dp engineering. Car started right away and i' ve started some tuning by myself ( my engine has already some modifications: camshafts e.t.c.). You have to make some study/research about tuning basic principles/tricks and proceed with small steps every time you tune/change any map or parameter, setting engine safety higher than performance chase
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Wide band lamda sensor and knock sensor are mandatory for me. If you plan to boost you engine, you have to bet another map sensor too ( depends on target boost numbers).
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