TDI Tuning CRTD4 TWIN Channel Bluetooth Tuning Box BMW 3.0 - 2020. Removed from an X5 BMW. Simple fit and excellent difference in power and economy mode . Simply undo the wire to the fuel pressure sensor and plug supplied plug to your existing pressure sensor and use the second plug to plug into the your original plug you removed to complete the circuit.  Remove the wiring plug to the MAP sensor and again fit supplied plug to the MAP sensor,with the second plug supplied plug directly to the original plug you removed and simply choose the setting on the unit to your preferred liking,  this has bluetooth so you can I believe download an app which you can control from your smartphone, even if you don't download it  you can simply press it manually.  Happy bidding 👍👍👍