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The NGK direct-fit oxygen sensor for BMW 545i (2004–2005) restores reliable oxygen feedback to the ECU, helping maintain proper air–fuel ratio, engine performance and emissions control. NTK applies ceramics expertise and ongoing design improvements to enhance longevity. This sensor features an advanced ceramic element with a 3-stage contaminant‑resistant plasma jet and deposit‑trap overcoat to reduce the risk of element poisoning.
NGK BMW 545i 2005-2004 Direct Fit Oxygen Sensor
