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BMW X1 3 Series 320i Rear Oxygen Sensor 11787570481, compatible with BMW X1, 3 Series 320i, OEM 1178-7570-480, used for air-fuel ratio monitoring.
Replaces OEM #
MOQ
1件
| Vehicle Model / Generation | Year | Engine | Specification |
|---|---|---|---|
| 3 Series(G20) | — | — | — |
| X1 | — | — | — |
| 320i | — | — | — |
BMW X1 and 3-series 320i with N46 or N52 engines’ downstream oxygen sensor (OEM 1178-7570-480) installed after the catalytic converter in the exhaust pipe; monitors exhaust oxygen content in real time and feeds ECU with precise air-fuel ratio data to ensure combustion efficiency and emissions compliance. Installation requires lifting the vehicle; pay attention to harness routing; estimated labor 0.5-1 hour. If symptoms include rough idle, high fuel consumption, sensor aging indicated, replace promptly.
宝马X1 3系320i 后氧传感器11787570481 空燃比监测
1178-7570-480