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NGK 5‑wire wideband air‑fuel ratio sensor for BMW 1 Series M (2011) applications is a direct-fit unit that provides a linear air–fuel ratio signal so the ECU can precisely control mixture for better combustion and emissions. NTK's OEM sensor heritage underpins the design, using an advanced ceramic sensing element with a 3-stage contaminant‑resistant overcoat to protect against element poisoning and enhance service life.
NGK BMW 1 Series M 2011 Direct Fit 5-Wire Wideband A/F Sensor
