Recalls › South Korea › BMW Korea Co., Ltd. BMW 520d, BMW 520d xDrive, BMW 523d, BM…

BMW Korea Co., Ltd. BMW 520d, BMW 520d xDrive, BMW 523d, BMW 523d xDrive, BMW 620d, BMW 620d xDrive, BMW X3 xDrive20d, … — recall

Automotive · South Korea · 2025-02-20

BMW 5/6/X3/X4 diesel models exhaust system condensation may damage oxygen sensor

Country	South Korea
Category	Automotive
Published	2025-02-20
Manufacturer	BMW Korea Co., Ltd.
Models affected	BMW 520d, BMW 520d xDrive, BMW 523d, BMW 523d xDrive, BMW 620d, BMW 620d xDrive, BMW X3 xDrive20d, BMW X4 xDrive20d
Units affected	5593
Defect	Recall due to confirmation that if condensation occurs inside the exhaust system, it can directly contact and damage the oxygen sensor, and if the oxygen sensor is damaged by moisture, it can interfere with normal exhaust gas monitoring activities.
Component	Engine (Power Generation System) Other
Remedy	Software update for Dew Point optimization and replacement with an improved oxygen sensor.
Recall number	K5606
Official notice	View source ↗

What this means for sellers

Likely platform / channel actions	OEMs/dealers will run the remedy (repair, replace or refund); component suppliers in the chain may face traceback.
Self-check for comparable products	Check your comparable products' design, materials and QC records against the defect described here.
Rules & standards likely involved	the destination market's product-safety rules and mandatory standards

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