BMW N20, N55, S55 F Chassis Rear Mount Flex Fuel & Low Fuel Pressure Sensor KitKnow your exact ethanol content in real time with our new LED display or by using the BMS CANflex, Fuel It! or JB4 mobile app on your smartphone or tablet. This new rear mount ethanol sensor kit conveniently installs above the fuel pump, under the rear seat, providing ethanol mixture and low fuel pressure readings via CANbus to your ECU. It's compatible with both flash only tunes and JB4 tuning systems. Includes our new CANflex ethanol content
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BMW N20, N55, S55 F Chassis Rear Mount Flex Fuel & Low Fuel Pressure Sensor Kit