Air and Fuel› Oxygen Sensors, Controllers and Components
BMW /
Front Oxygen Sensor Bank 1
SKU: 11787558055
Easy — 1–2 hours
Description
A degraded oxygen sensor can lead to reduced engine performance, decreased fuel economy, increased emissions, and can trigger the Check Engine Light. This component is essential for passing emissions tests and maintaining proper vehicle operation.
Fitment
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Available on iOS & Android
Specifications
| Brand | BMW / |
| Part Number | 11787558055 |
| Category | Air and Fuel |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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