Car Oxygen Sensor O2 11787512975 For BMW E46 Z4 X3 316I 318I 318Ci O2 Sensor

Car Oxygen Sensor O2 11787512975 For BMW E46 Z4 X3 316I 318I 318Ci. Oxygen sensor can improve fuel economy, Improve engine performance,and Reducing pollution. improving engine response, reducing noise, lower emission and preventing premature catalytic converter failure. "Oxygen sensors solve jitter, fault lights, exhaust emissions, optimize exhaust and fuel economy, practical and energy-saving. monitor the oxygen content in the engine combustion chamber in real time, so as to adjust the fuel injection, improve fuel economy, reduce fuel consumption and emissions."