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BMW X3, 7 Series, E60, E90 Rear Oxygen Sensor 11787545243, compatible with multiple BMW models, OEM 117, used for air-fuel ratio control.
Replaces OEM #
MOQ
1件
| Vehicle Model / Generation | Year | Engine | Specification |
|---|---|---|---|
| X3 | — | — | — |
BMW rear oxygen sensor for X3, 7 Series, E60, E90; installed behind catalytic converter; monitors exhaust oxygen and feeds ECU with air–fuel ratio data. OEM 11787545243; also compatible with 0258006789 and 11787539137; suitable for many BMW models with N52/N54 engines. When fuel economy worsens or emissions exceed limits, sensor signal may be drifted. Installation difficulty moderate; 1–1.5 hours; take care to protect threads and ensure proper sealing during removal.
宝马X3 7系 E60 E90 后氧传感器11787545243 空燃比控制
117