The ReFlex+ complete harness is broken into two portions. The Main Injector Harness and the Installation Harness. The Main Injector Harness consists of the following components: Port injection harness for V8 engines and has EV6 / USCAR injector connectors DTM 3-Pin connector for an ethanol content sensor connection using the ReFlex+ Plug-n-Play Ethanol Sensor Harness 2x DTM 2-Pin connectors to connect to external sensors like the ReFlex+ 0-10 Bar Pressure Sensor Fuel Pressure Coolant Pressure Exhaust Back Pressure Oil Pressure DTM 3-Pin connector for a 0-5v sensor DTM 2-Pin connector for an auxiliary output to supply switched +12v and a low side trigger from the ReFlex+ Control Unit 3x unterminated auxiliary output wires which function as low side triggers form the ReFlex+ Control Unit DTM 8-Pin connector for easy connection to your choice of ReFlex+ Install Harnesses This harness works for both the ReFlex+ and ReFlex PRO. Compatible Car Models BMW M5 S63TUx (F10 / F90 / G90) BMW M6 S63TUx (F06 / F12 / F13) BMW M8 S63TUx (F91 / F92 / F93) BMW X5M S63TUx (F85 / F95) BMW X6M S63TUx (F86 / F96) Universal / Generic fit for all V8 Engines