BMW OBDII Codes

P123D Code BMW: Meaning, Causes, Symptoms and Fixes

BMW P123D Code:Nitrogen Oxide Sensor Sensor Poisoning Binary Lambda Signal Too Rich As a car owner, it can be frustrating when your vehicle’s check engine light comes on. It’s even more concerning when you see a specific diagnostic trouble code (DTC) like the BMW P123D code. This code indicates a problem with the nitrogen oxide …

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