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The NGK five‑wire wideband air‑fuel sensor for BMW 1 Series M (2011) provides a linear A/F signal that lets the engine control unit precisely adjust fuel mixture for cleaner combustion, better fuel economy and lower emissions. NTK ceramic technology and a 3‑stage contaminant‑resistant plasma‑jet element with a deposit‑trap overcoat improve resistance to poisoning, offer fast heat‑up and deliver OE-style fit and reliability.
NGK BMW 1 Series M 2011 Direct Fit 5-Wire Wideband A/F Sensor
