Hello you love, I have to buy an OBD diagnostic device. On the net e.g. in Amozon or eBay I find several hundreds diagnostic devices. What can be used for my purposes? • Error memory of many ECUs e.g. motor, brake, air conditioning, DPF read out and delete • German if possible simple operation • possible with Bluetooth dongel (no need) • if possible parole ode code (no need) • No cost subscription should cost max. 150€ Which devices do you use? Which devices do you use? Have you been able to gain experience? Week would you not recommend? Many greetings