Description Reviews MINI Fuel Tank Breather Valve for most Gen 3 cars. We are seeing these get stuck in the open or closed positions. The car will throw a service engine soon light, can have a ruff idle, and will have an Evap Leak Detection codes like but no limited too: DIGITAL MOTOR ELECTRONICS(DME_BX8) (DME_BX8) 190302 Diagnostic module for tank leaks (NVLD), fuel tank ventilation system, micro-leak greater than 0.5 mm detected 19030 Diagnostic module for tank leaks (NVLD), fuel tank ventilation system, micro-leak greater than 0.5 mm detected 190F08 Fuel tank ventilation system: Malfunction 195013 Tank vent valve, pressure sensor Venturi nozzle, signal: Too low 195014 Tank vent valve, pressure sensor Venturi nozzle, signal: Permanently stuck As well as lean or rich codes. To test the unit you need a scan tool and a smoke machine to be sure. Once new unit is installed, clear codes and drive normal. Fits: MINI F56 (04/2013 — 12/2019) MINI F55 (09/2013 — 12/2019) MINI Clubman F54 (11/2014 — 07/2019) MINI Cabrio F57 (11/2014 — 12/2019) Note: This is a high quality aftermarket unit from Bosch.