Rear Upstream Oxygen Sensor for BMW M2 M3 M4 3.0L L6 2023-2024
Rear Upstream Oxygen Sensor for BMW M2 M3 M4 3.0L L6 (2023-2024)
This Rear Upstream Oxygen Sensor is designed for BMW M2, M3, and M4 models with a 3.0L inline-six engine from 2023 and 2024. Built to OEM-style specifications, it helps monitor exhaust oxygen levels to keep the air-fuel ratio in check, improving engine efficiency, throttle response, and emissions control. With a heating function, this sensor reaches optimal operating temperature quickly for faster diagnostic readiness and stable performance in varying driving conditions.
Key features include a piezoelectric sensor element for accurate, durable measurements and a robust build that’s tested before shipment. The sensor is compatible with BMW M2 3.0L L6 2023, BMW M3 3.0L L6 2023-2024, and BMW M4 3.0L L6 2023-2024. OEM part number is 11789454704, with additional reference 11-78-9-454-704.
Origin: Mainland China. Package includes: 1 PCS. Please check the product picture, fitment, and part number before ordering. If you’re unsure, contact us before you order to avoid incorrect purchases. We stand behind our products with strict quality checks and careful packaging.
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Benefits & Tips
- Enhances fuel efficiency and drive quality by maintaining accurate oxygen sensing for the BMW 3.0L L6 engines.
- Faster warm-up and stable emissions performance thanks to the built-in heating feature.
- Easy integration with OEM-style wiring and mounting; verify fitment against the listed part numbers before purchase.
Product specifications
- Brand Name: IWOKPHD
- Sensor Type: Piezoelectric
- Type: Heating
- Application: For BMW M2 3.0L L6 2023; For BMW M3 3.0L L6 2023-2024; For BMW M4 3.0L L6 2023-2024
- Measuring Range: For BMW M4 3.0L L6 2023-2024
- OEM No.: 11789454704
- Part Number: 11789454704, 11-78-9-454-704
- Origin: Mainland China
- Linear: Rear Upstream
- Hysteresis: 2023
- Repeatability: Car
Package includes:
- 1 PCS
Warnings / Reminders
- Please check the product picture, fitment and the part number before you order it.
- If you are not sure, please contact us before you order; otherwise we will not refund you money if you make a wrong order.
- All items will be shipped within 2 working days after payment is confirmed. Please ensure your shipping address is correct.
- Import duties, taxes and charges are not included in the item price or shipping charges. These charges are buyer's responsibility.
- Shipping times are estimates and may be affected by season, high demand, or bad weather.
- We will replace items which are malfunctioning when you receive them. Items must be returned in original packing.
- Language support details are not provided; if available, please contact us for language options.
Warranty: 1 year Replacement Warranty