Delphi ES20368 Oxygen Sensor - Rear or Rear Left
OE Quality 60-Day Returns
Delphi

Delphi ES20368 Oxygen Sensor - Rear or Rear Left

Brand Delphi ES20368
Position Rear
Connector Shape Round
Overall Length 600.0
Package Contents Oxygen Sensor, Instruction Sheet
Position(s) Rear, Rear Left. For the position specific to your vehicle, refer to the Application tab.
Sensor Type Heated
Thread Size 18 x 1.5 mm
Wire Quantity 4
Fits BMW · 205 vehicles

Heated sensor. Built for faster operation and stable emissions monitoring.

Round connector. Simplifies installation with a straightforward electrical connection.

OE heritage. Backed by decades of original-equipment experience and knowledge.

Cross-references Bosch 15167, Bosch 16031 and Bosch 16789 for the same application. See all 22.

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Not what you need? See all Oxygen Sensor options

Delphi ES20368 Oxygen Sensor Overview

Delphi ES20368 is a heated oxygen sensor built for rear and rear left applications on a wide range of BMW models. It uses a 4-wire design, a round connector, and an 18 x 1.5 mm thread size with a 600.0 mm overall length for the listed applications.

Backed by Delphi’s OE heritage and decades of supplier experience with major automakers, this oxygen sensor is built with the fitment and signal requirements needed for BMW rear O2 sensor replacement service.

Key Features

  • Heated oxygen sensor for rear and rear left positions
  • 4-wire configuration with round connector shape
  • 18 x 1.5 mm thread size
  • 600.0 mm overall length
  • Includes oxygen sensor and instruction sheet
  • Direct-fit replacement for listed BMW applications

Detailed Description

The Delphi ES20368 oxygen sensor is engineered for rear exhaust monitoring on select BMW vehicles, including 650i Gran Coupe, X5, X6, 740i, 750i, 328i, 335i, 528i, 535i, Z4, and related models. It is also listed for rear left applications on specific BMW 550i, 650i, 750i, and 740i/740Li fitments where the harness length and position match the vehicle requirements.

This part cross-references Bosch 15167 and DENSO Auto Parts 234-4876 for the same application. If you are searching for a BMW rear oxygen sensor replacement, BMW rear left oxygen sensor, or a heated O2 sensor with a 600 mm harness, ES20368 is built to match the listed OE-style fitment.

What It Helps Address

  • Check engine light related to rear oxygen sensor faults
  • Incorrect exhaust oxygen readings from a worn sensor
  • Fuel trim issues caused by slow sensor response
  • Emissions test failures tied to sensor performance
  • BMW rear O2 sensor replacement needs on listed models

Installation Notes and Tips

  • Verify the sensor position before ordering; this part is listed for rear and rear left locations only.
  • Check the application notes for vehicles with front manifold/exhaust pipe sensor routing or harness-length requirements.
  • Confirm connector shape, wire count, thread size, and overall length against the original sensor.
  • Use the vehicle application tab to match the exact position for your BMW.
  • Follow the included instruction sheet during installation.

Quality Assurance

Delphi draws on more than 100 years of OE experience and supplier knowledge used by leading automakers. That OE background is built into the ES20368 replacement sensor for consistent fitment on the listed BMW applications.

Related reading

This part fits 205 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2019BMW650i Gran Coupe—Rear—
2019BMW650i xDrive Gran Coupe—Rear—
2019BMWX6—Rear—
2018BMW650i—Rear—
2018BMW650i Gran Coupe—Rear—
2018BMW650i xDrive—Rear—
2018BMW650i xDrive Gran Coupe—Rear—
2018BMWX5—Rear—
2018BMWX6—Rear—
2017BMW550i GT xDrive—Rear—
2017BMW650i—Rear—
2017BMW650i Gran Coupe—Rear—
2017BMW650i xDrive—Rear—
2017BMW650i xDrive Gran Coupe—Rear—
2017BMWX5—Rear—
2017BMWX6—Rear—
2016BMW550i—Rear—
2016BMW550i GT xDrive—Rear—
2016BMW550i xDrive—Rear—
2016BMW650i—Rear—
2016BMW650i Gran Coupe—Rear—
2016BMW650i xDrive—Rear—
2016BMW650i xDrive Gran Coupe—Rear—
2016BMWX5—Rear—
2016BMWX6—Rear—
2016BMWZ4—RearSensor Located in Front Manifold/Exhaust Pipe
2015BMW550i—Rear—
2015BMW550i GT—Rear—
2015BMW550i GT xDrive—Rear—
2015BMW550i xDrive—Rear—
2015BMW650i—Rear—
2015BMW650i Gran Coupe—Rear—
2015BMW650i xDrive—Rear—
2015BMW650i xDrive Gran Coupe—Rear—
2015BMW740i—RearHarness Length 600mm
2015BMW740Li—RearHarness Length 600mm
2015BMW750i—Rear—
2015BMW750i xDrive—Rear—
2015BMW750Li—Rear—
2015BMW750Li xDrive—Rear—
2015BMW760Li—Rear—
2015BMWX5—Rear—
2015BMWX6—Rear—
2015BMWZ4—RearSensor Located in Front Manifold/Exhaust Pipe
2014BMW550i—Rear—
2014BMW550i GT—Rear—
2014BMW550i GT xDrive—Rear—
2014BMW550i xDrive—Rear—
2014BMW650i—Rear—
2014BMW650i Gran Coupe—Rear—
2014BMW650i xDrive—Rear—
2014BMW650i xDrive Gran Coupe—Rear—
2014BMW740i—RearHarness Length 600mm
2014BMW740Li—RearHarness Length 600mm
2014BMW750i—Rear—
2014BMW750i xDrive—Rear—
2014BMW750Li—Rear—
2014BMW750Li xDrive—Rear—
2014BMW760Li—Rear—
2014BMWX5—Rear—
2014BMWX6—Rear—
2014BMWZ4—RearSensor Located in Front Manifold/Exhaust Pipe
2013BMW128i—RearSensor Located in Front Manifold/Exhaust Pipe
2013BMW328i—RearSensor Located in Front Manifold/Exhaust Pipe
2013BMW328i xDrive—RearSensor Located in Front Manifold/Exhaust Pipe
2013BMW335is—RearSensor Located in Front Manifold/Exhaust Pipe
2013BMW550i—Rear—
2013BMW550i GT—Rear—
2013BMW550i GT xDrive—Rear—
2013BMW550i xDrive—Rear—
2013BMW650i—Rear—
2013BMW650i Gran Coupe—Rear—
2013BMW650i xDrive—Rear—
2013BMW650i xDrive Gran Coupe—Rear—
2013BMW740i—RearHarness Length 600mm
2013BMW740Li—RearHarness Length 600mm
2013BMW750i—Rear—
2013BMW750i xDrive—Rear—
2013BMW750Li—Rear—
2013BMW750Li xDrive—Rear—
2013BMW760Li—Rear—
2013BMWX5xDrive50iRear—
2013BMWX6—Rear—
2013BMWZ4—RearSensor Located in Front Manifold/Exhaust Pipe
2012BMW128i—RearSensor Located in Front Manifold/Exhaust Pipe
2012BMW328i—RearSensor Located in Front Manifold/Exhaust Pipe
2012BMW328i xDrive—RearSensor Located in Front Manifold/Exhaust Pipe
2012BMW335is—RearSensor Located in Front Manifold/Exhaust Pipe
2012BMW550i—Rear—
2012BMW550i GT—Rear—
2012BMW550i GT xDrive—Rear—
2012BMW550i xDrive—Rear—
2012BMW650i—Rear—
2012BMW650i xDrive—Rear—
2012BMW740i—Rear LeftHarness Length 600mm
2012BMW740Li—Rear LeftHarness Length 600mm
2012BMW750i—Rear—
2012BMW750i xDrive—Rear—
2012BMW750Li—Rear—
2012BMW750Li xDrive—Rear—
2012BMW760Li—Rear—
2012BMWX5xDrive50iRear—
2012BMWX6—Rear—
2012BMWZ4—RearSensor Located in Front Manifold/Exhaust Pipe
2011BMW1 Series M—RearSensor Located in Front Manifold/Exhaust Pipe
2011BMW128i—RearSensor Located in Front Manifold/Exhaust Pipe
2011BMW328i—RearSensor Located in Front Manifold/Exhaust Pipe
2011BMW328i xDrive—RearSensor Located in Front Manifold/Exhaust Pipe
2011BMW335is—RearSensor Located in Front Manifold/Exhaust Pipe
2011BMW550i—Rear—
2011BMW550i GT—Rear—
2011BMW550i GT xDrive—Rear—
2011BMW550i xDrive—Rear—
2011BMW740i—Rear LeftHarness Length 600mm
2011BMW740Li—Rear LeftHarness Length 600mm
2011BMW750i—Rear—
2011BMW750i xDrive—Rear—
2011BMW750Li—Rear—
2011BMW750Li xDrive—Rear—
2011BMW760Li—Rear—
2011BMWX5xDrive50iRear—
2011BMWX6—Rear—
2011BMWZ4—RearSensor Located in Front Manifold/Exhaust Pipe
2010BMW128i—RearSensor Located in Front Manifold/Exhaust Pipe
2010BMW135i—RearSensor Located in Front Manifold/Exhaust Pipe
2010BMW328i—RearSensor Located in Front Manifold/Exhaust Pipe
2010BMW328i xDrive—RearSensor Located in Front Manifold/Exhaust Pipe
2010BMW335i—RearSensor Located in Front Manifold/Exhaust Pipe
2010BMW335i xDrive—RearSensor Located in Front Manifold/Exhaust Pipe
2010BMW528i—RearSensor Located in Front Manifold/Exhaust Pipe
2010BMW528i xDrive—RearSensor Located in Front Manifold/Exhaust Pipe
2010BMW535i—RearSensor Located in Front Manifold/Exhaust Pipe
2010BMW535i xDrive—RearSensor Located in Front Manifold/Exhaust Pipe
2010BMW550i—Rear Left450mm Length; Black
2010BMW550i GT—Rear—
2010BMW550i GT xDrive—Rear—
2010BMW650i—Rear Left450mm Length; Black
2010BMW750i—Rear—
2010BMW750i xDrive—Rear—
2010BMW750Li—Rear—
2010BMW750Li xDrive—Rear—
2010BMW760Li—Rear—
2010BMWX3—RearSensor Located in Front Manifold/Exhaust Pipe
2010BMWX5—RearSensor Located in Front Manifold/Exhaust Pipe
2010BMWX6—Rear—
2010BMWX6—RearHarness Length 600mm
2010BMWZ4—RearSensor Located in Front Manifold/Exhaust Pipe
2009BMW128i—RearSensor Located in Front Manifold/Exhaust Pipe
2009BMW135i—RearSensor Located in Front Manifold/Exhaust Pipe
2009BMW328i—RearSensor Located in Front Manifold/Exhaust Pipe
2009BMW328i xDrive—RearSensor Located in Front Manifold/Exhaust Pipe
2009BMW335i—RearSensor Located in Front Manifold/Exhaust Pipe
2009BMW335i xDrive—RearSensor Located in Front Manifold/Exhaust Pipe
2009BMW528i—RearSensor Located in Front Manifold/Exhaust Pipe
2009BMW528i xDrive—RearSensor Located in Front Manifold/Exhaust Pipe
2009BMW535i—RearSensor Located in Front Manifold/Exhaust Pipe
2009BMW535i xDrive—RearSensor Located in Front Manifold/Exhaust Pipe
2009BMW550i—Rear Left450mm Length; Black
2009BMW650i—Rear Left450mm Length; Black
2009BMW750i—Rear—
2009BMW750Li—Rear—
2009BMWX3—RearSensor Located in Front Manifold/Exhaust Pipe
2009BMWX5—RearSensor Located in Front Manifold/Exhaust Pipe
2009BMWX6—Rear—
2009BMWX6—RearHarness Length 600mm
2009BMWZ4—RearSensor Located in Front Manifold/Exhaust Pipe
2008BMW128i—RearSensor Located in Front Manifold/Exhaust Pipe
2008BMW135i—RearSensor Located in Front Manifold/Exhaust Pipe
2008BMW328i—RearSensor Located in Front Manifold/Exhaust Pipe
2008BMW328xi—RearSensor Located in Front Manifold/Exhaust Pipe
2008BMW335i—RearSensor Located in Front Manifold/Exhaust Pipe
2008BMW335xi—RearSensor Located in Front Manifold/Exhaust Pipe
2008BMW528i—RearSensor Located in Front Manifold/Exhaust Pipe; 480mm Length
2008BMW528xi—RearSensor Located in Front Manifold/Exhaust Pipe
2008BMW535i—RearSensor Located in Front Manifold/Exhaust Pipe
2008BMW535xi—RearSensor Located in Front Manifold/Exhaust Pipe; with 600mm Overall Length
2008BMW550i—Rear Left450mm Length; Black
2008BMW650i—Rear Left450mm Length; Black
2008BMW750i—Rear Left450mm Length; Black
2008BMW750Li—Rear Left450mm Length; Black
2008BMWX3—RearSensor Located in Front Manifold/Exhaust Pipe
2008BMWX5—RearSensor Located in Front Manifold/Exhaust Pipe
2008BMWX6—Rear—
2008BMWX6—RearHarness Length 600mm
2008BMWZ4—RearCylinders 1 through 3
2007BMW328i—RearSensor Located in Front Manifold/Exhaust Pipe
2007BMW328xi—RearSensor Located in Front Manifold/Exhaust Pipe
2007BMW335i—RearSensor Located in Front Manifold/Exhaust Pipe
2007BMW335xi—RearSensor Located in Front Manifold/Exhaust Pipe
2007BMW550i—Rear Left450mm Length; Black
2007BMW650i—Rear Left450mm Length; Black
2007BMW750i—Rear Left450mm Length; Black
2007BMW750Li—Rear Left450mm Length; Black
2007BMWX3—RearSensor Located in Front Manifold/Exhaust Pipe
2007BMWX5—RearSensor Located in Front Manifold/Exhaust Pipe
2007BMWZ4—RearCylinders 1 through 3
2006BMW325i—RearSensor Located in Front Manifold/Exhaust Pipe
2006BMW325xi—RearSensor Located in Front Manifold/Exhaust Pipe
2006BMW330i—RearSensor Located in Front Manifold/Exhaust Pipe
2006BMW330xi—RearSensor Located in Front Manifold/Exhaust Pipe
2006BMW550i—Rear Left450mm Length; Black
2006BMW650i—Rear Left450mm Length; Black
2006BMW750i—Rear Left450mm Length; Black
2006BMW750Li—Rear Left450mm Length; Black
2006BMWZ4—RearCylinders 1 through 3
Directly replaces or cross-references 22 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 15167Bosch — 16031Bosch — 16789Bosch — 16794Bosch — 16977DENSO Auto Parts — 234-4876DENSO Auto Parts — 234-4877DENSO Auto Parts — 234-4892NTK — 25676Walker Exhaust — 167955S979311 78 7 526 26211 78 7 539 12611 78 7 539 13611 78 7 545 07411 78 7 545 24311 78 7 569 96811 78 7 577 66611 78 7 614 322234-490025024713SU11246