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BMW 1 Series E81 X5 Front Oxygen Sensor 11787558055, fits BMW brand models, OEM 1178-7558-055, used to monitor exhaust oxygen content.
Replaces OEM #
MOQ
1件
| Vehicle Model / Generation | Year | Engine | Specification |
|---|---|---|---|
| X5 | — | — | — |
BMW 1 Series E81 and X5 front oxygen sensor, OEM 1178-7558-055, mounted behind the exhaust manifold; monitors exhaust oxygen content and feeds ECU to adjust air–fuel ratio; installation moderate. Pay attention to avoiding thread damage during removal; about 0.5–1 hour. If idle is unstable, fuel economy drops, or acceleration is weak, sensor aging is likely; replace promptly to restore performance.
宝马1系 E81 X5 前氧传感器11787558055 排气氧传感
1178-7558-055