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Delphi ES11081 Oxygen Sensor - Front, Front Left or Front Right
Delphi Oxygen Sensor ES11081 Overview
The Delphi ES11081 oxygen sensor is designed for precise emission control in select BMW models. Featuring a 5-wire configuration and a square connector, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.
- 5-wire oxygen sensor for enhanced signal accuracy
- Square connector shape for secure and reliable connection
- Thread size of 18 x 1.5 mm for direct fitment
- Includes oxygen sensor and instruction sheet for installation guidance
- Position-specific fitment: front, front left, or front right
Detailed Product Description
The Delphi ES11081 oxygen sensor is engineered to meet the emission control requirements of various BMW vehicles, including the 128i, 325i, 328i, 330i, 525i, 528i, 530i, 550i, 650i, X3, X5, and Z4 models. Its 5-wire design allows for precise voltage signal transmission, improving the engine control unit's ability to adjust fuel injection and maintain efficient combustion. The square connector shape ensures a secure electrical connection, reducing the risk of sensor failure due to loose contacts. With a thread size of 18 x 1.5 mm, this sensor installs directly into the exhaust manifold or pipe without modification. The package includes the oxygen sensor and an instruction sheet to assist with proper installation and positioning, whether front, front left, or front right, depending on your vehicle's specific requirements.
Common Applications and Issues Addressed
- Helps reduce harmful emissions by monitoring exhaust gases
- Improves fuel efficiency by providing accurate air-fuel ratio data
- Prevents engine performance issues related to faulty oxygen sensors
- Resolves check engine light triggers caused by sensor malfunctions
- Supports smooth engine idling and acceleration
Installation Notes and Tips
- Ensure the sensor is installed in the correct position: front, front left, or front right as specified for your BMW model
- Use proper tools to avoid damaging the 18 x 1.5 mm thread during installation
- Refer to the included instruction sheet for wiring and connector details
- Disconnect the battery before installation to prevent electrical shorts
- Verify sensor compatibility with your specific BMW model and engine type
Quality Assurance and Warranty
Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES11081 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to provide confidence in product quality.
| Brand | Delphi |
|---|---|
| Part Number | ES11081 |
| Connector Shape | Square |
| Package Contents | Oxygen Sensor, Instruction Sheet |
| Position(s) | Front, Front Left, Front Right. For the position specific to your vehicle, refer to the Application tab. |
| Thread Size | 18 x 1.5 mm |
| Wire Quantity | 5 |
This part fits 69 vehicles. Search below:
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 2013 | BMW | 128i | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2013 | BMW | 328i | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2013 | BMW | 328i xDrive | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2012 | BMW | 128i | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2012 | BMW | 328i | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2012 | BMW | 328i xDrive | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2011 | BMW | 128i | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2011 | BMW | 328i | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2011 | BMW | 328i xDrive | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2011 | BMW | Z4 | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2010 | BMW | 128i | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2010 | BMW | 328i | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2010 | BMW | 328i xDrive | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2010 | BMW | 528i | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2010 | BMW | 528i xDrive | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2010 | BMW | 550i | Manual | Front Right | Oxygen Sensor with a length of 1050mm and black color. |
| 2010 | BMW | 650i | Manual | Front Right | Oxygen Sensor with a length of 1050mm and black color. |
| 2010 | BMW | X3 | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2010 | BMW | X5 | Front Left | ||
| 2010 | BMW | X5 | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2010 | BMW | Z4 | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2009 | BMW | 128i | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2009 | BMW | 328i | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2009 | BMW | 328i xDrive | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2009 | BMW | 528i | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2009 | BMW | 528i xDrive | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2009 | BMW | 550i | Manual | Front Right | Oxygen Sensor with a length of 1050mm and black color. |
| 2009 | BMW | 650i | Manual | Front Right | Oxygen Sensor with a length of 1050mm and black color. |
| 2009 | BMW | X3 | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2009 | BMW | X5 | Front Left | ||
| 2009 | BMW | X5 | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2009 | BMW | Z4 | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2008 | BMW | 128i | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2008 | BMW | 328i | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2008 | BMW | 328xi | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2008 | BMW | 528i | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2008 | BMW | 528xi | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2008 | BMW | 550i | Manual | Front Right | Oxygen Sensor with a length of 1050mm and black color. |
| 2008 | BMW | 650i | Manual | Front Right | Oxygen Sensor with a length of 1050mm and black color. |
| 2008 | BMW | X3 | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2008 | BMW | X5 | Front Left | ||
| 2008 | BMW | X5 | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2008 | BMW | Z4 | Front | Cylinders 1 through 6 | |
| 2008 | BMW | Z4 | Front | Cylinders 4 through 6 | |
| 2007 | BMW | 328i | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2007 | BMW | 328xi | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2007 | BMW | 525i | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2007 | BMW | 525xi | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2007 | BMW | 530i | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2007 | BMW | 530xi | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2007 | BMW | 550i | Manual | Front Right | Oxygen Sensor with a length of 1050mm and black color. |
| 2007 | BMW | 650i | Manual | Front Right | Oxygen Sensor with a length of 1050mm and black color. |
| 2007 | BMW | X3 | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2007 | BMW | X5 | Front Left | ||
| 2007 | BMW | X5 | Front | Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2007 | BMW | Z4 | Front | Cylinders 1 through 6 | |
| 2007 | BMW | Z4 | Front | Cylinders 4 through 6 | |
| 2006 | BMW | 325i | Front | From 11/2005; Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2006 | BMW | 325xi | Front | From 11/2005; Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2006 | BMW | 330i | Front | From 11/2005; Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2006 | BMW | 330xi | Front | From 11/2005; Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2006 | BMW | 525i | Front | From 11/2005; Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2006 | BMW | 525xi | Front | From 11/2005; Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2006 | BMW | 530i | Front | From 11/2005; Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2006 | BMW | 530xi | Front | From 11/2005; Sensor Located in Rear Manifold/Exhaust Pipe | |
| 2006 | BMW | 550i | Manual | Front Right | Oxygen Sensor with a length of 1050mm and black color. |
| 2006 | BMW | 650i | Manual | Front Right | Oxygen Sensor with a length of 1050mm and black color. |
| 2006 | BMW | Z4 | Front | Cylinders 1 through 6 | |
| 2006 | BMW | Z4 | Front | Cylinders 4 through 6 |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.