oe technology ensures correct function and calibration for trouble-free operation and emissions compliance bosch maf sensors can provide up to 20 percent better fuel consumption through accurate air flow measurement the bosch patented design increases robustness against water and is unharmed by dirt and contamination guaranteed to meet vehicle requirments for performance, drivablility, fuel economy and emissions 20774533 31342363 74207745 7420774533 8627297 8670114 86701140 8670115 86703980 Fit type: Vehicle Specific