The MINI Cooper o2 sensor bank 1 sensor 2 is located at the primary cylinder head and after the catalytic converter. The O2 sensor we could the pc recognize if the gas mix is burning rich (not sufficient oxygen) or lean (too much oxygen). Understanding the ratio of fuel to air allows Your car's engine to make any important modifications to make sure that Your car runs like it need to.Riding with a faulty O2 sensor manner the computer wont be getting the appropriate analyzing of the combination and hence it wont be capable of alter the air-gas aggregate nicely. However if your engine begins and runs</br> and can stay running</br> its drivable. The handiest problem will be that Your vehicle will run sluggishly or more or less</br> or it will stall.