Rear Upstream Oxygen Sensor for BMW M2 M3 M4 3.0L L6
Introducing the IWOKPHD Rear Upstream Oxygen Sensor for BMW M2, M3, and M4 with 3.0L L6 power. This direct-fit O2 sensor delivers precise exhaust gas readings to the ECU, helping your BMW maintain an optimal air–fuel ratio for stronger throttle response, smoother idle, and improved fuel efficiency. With a heating-type, piezoelectric sensor design, it quickly reaches operating temperature for accurate readings even on cold starts.
Designed for the BMW M2 3.0L L6 (2023), BMW M3 3.0L L6 (2023–2024), and BMW M4 3.0L L6 (2023–2024), this rear upstream sensor carries OEM reference 11789454704 (also listed as 11-78-9-454-704). It’s engineered as a precise, high-quality replacement that matches the original part for dependable performance and simple installation.
Benefits & Tips
- Restore optimal engine performance by providing accurate lambda feedback to the ECU, helping improve throttle response and fuel efficiency.
- Benefit from quick sensor readiness after cold starts thanks to the heating-type design, reducing drivability quirks in early driving conditions.
- Choose a true direct-fit replacement by matching the OEM number, ensuring a hassle-free installation and reliable long-term operation.
Product specifications
- Brand: IWOKPHD
- Type: Rear Upstream Oxygen Sensor (O2 sensor) – Heating Type, Piezoelectric
- Sensor Location: Rear Upstream
- Vehicle compatibility: BMW M2 3.0L L6 (2023); BMW M3 3.0L L6 (2023–2024); BMW M4 3.0L L6 (2023–2024)
- OEM Part Numbers: 11789454704, 11-78-9-454-704
- Measuring Range: Suitable for BMW M2/M3/M4 3.0L L6 (2023–2024)
- Origin: Mainland China
- Warranty: 1 year (Replacement Warranty)
- Package: 1 PCS
Package includes
- 1 PCS
Warnings / Reminders
Please check the product picture, fitment, and part number before you order. If you are not sure, please contact us before you order. Otherwise, refunds may not be issued for incorrect orders.
All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
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