Anyone have experience with diesel tuning boxes.not the crap 35 euro stuff like on some sites I mean the 3 or 400 euro ones.been offered a steinbauser box for my Volvo v70 2.4 diesel.supposed to take it from 163 to 193 bhp with more torque.has switch to turn off and on,read reviews and seems good.others seem to cause dash lights to come on..anyway anyone got a tuning box and tell me pros and cons


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