Oxygen Sensor For BMW Upstream O2 Lambda Sensor 540i 740i 840i M340i X3 X5 X7 Replacement
Upgrade your BMW's exhaust management with the IWOKPHD Upstream Oxygen O2 Lambda Sensor, engineered for precision and reliability in models such as 540i, 740i, 745e, 840i, M340i, X3, X5, and X7. This upstream sensor monitors oxygen levels before the catalytic converter, feeding accurate data to the engine control unit to optimize the air-fuel mixture. The result is cleaner combustion, improved fuel efficiency, smoother idle, and better overall performance across varying driving conditions. Built around magnetic induction sensing with a heated design, it delivers consistent readings across a wide temperature range. OEM number 11788689862 ensures a true plug-and-play replacement that aligns with BMW factory specifications. Origin: Mainland China. Each order includes 1 sensor with a 1-year replacement warranty. All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
Benefits & Tips
- Restore optimal engine performance: A fresh upstream O2 sensor helps the ECU fine-tune fuel delivery for efficient combustion and steady power delivery, even in varying loads and temperatures.
- Enhance fuel economy and emission control: Accurate readings reduce unnecessary fuel usage and support cleaner exhaust, aiding you in meeting emission standards.
- Easy, reliable replacement: Use the compatible part numbers 11788689862 or 31507590899 to ensure a correct fit for your BMW model; verify compatibility with your VIN, year, and model before installation.
Product specifications
- Brand: IWOKPHD
- Part Numbers: 11788689862, 31507590899
- Sensor Type: Magnetic Induction
- Type: Heated
- Application: Upstream Oxygen O2 Lambda Sensor for BMW 540i, 740i, 745e, 840i, M340i, X3, X4, X5, X6, X7, Z4
- OEM No.: 11788689862
- Origin: Mainland China
- Warranty: 1 year (Replacement Warranty)
- Repeatability: 2019, 2020, 2021
Package includes:
- 1 x Upstream Oxygen O2 Lambda Sensor
Warnings/Reminders
Please check the part number before purchasing replacements. Make sure you are ordering the correct auto part for your vehicle. If you're not sure or don't know, please contact us with your VIN, YEAR, MAKE, and MODEL to verify fitment. This is a direct replacement sensor designed to restore proper O2 readings; verify compatibility with your specific vehicle configuration before installation.
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