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OE Quality
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Denso
OE StyleDenso 234-5138 Air / Fuel Ratio Sensor - Upstream or Upstream Left
| Brand | Denso 234-5138 |
|---|---|
| Position | Upstream |
| Connector Gender | Male |
| Grade Type | Regular |
| Sensor Type | Heated |
| Thread Diameter | 0.711 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 5 |
| Wiring Harness Length | 46.85 |
| Product line | OE Style |
| Fits | BMW · 100 vehicles |
OE style replacement. Precision-built for exact replacement and a first-time fit.
Heated sensor. Engineered for reliable air-fuel ratio monitoring.
Specific fit. Made to match the application for straightforward installation.
Cross-references ACDelco 213-3936, BMW 11787540166 and BMW 11787540167 for the same application. See all 22.
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Denso OE Style Air/Fuel Ratio Sensor
Denso 234-5138 is an OE Style heated air/fuel ratio sensor built for direct replacement on select BMW applications. It is engineered for exact fitment, stable signal output, and the correct connector and harness layout for the listed upstream locations.
For BMW 328i, 335i, X5, and related models, this sensor supports accurate air-fuel monitoring where the engine management system depends on precise feedback from the exhaust stream.
Key Features
- Heated air/fuel ratio sensor for upstream exhaust monitoring
- Specific fit design for direct replacement applications
- 5-wire configuration with male connector
- Wiring harness length: 46.85
- Thread diameter: 0.711
- OE Style construction for proper fit and function
Product Details
Denso 234-5138 is manufactured and tested to OE standards, with each component precision-built for replacement accuracy and first-time fit. The OE Style line focuses on matching the original sensor form, connector style, and harness configuration so the part installs in the intended location without modification. This makes it a practical choice for BMW air/fuel ratio sensor replacement on upstream positions, including cylinder-specific and left-side applications listed in the fitment data.
This part cross-references Bosch 15168 and NTK 24333 for the same application.
Common Symptoms This Sensor May Address
- Check engine light related to air/fuel ratio sensor performance
- Rough idle or inconsistent fuel control
- Reduced fuel economy from inaccurate exhaust feedback
- Driveability issues caused by a slow or faulty upstream sensor signal
- Emission control faults on BMW upstream sensor circuits
Installation Notes
Verify the exact BMW model, year, engine bank, and upstream position before ordering. This sensor is listed for specific fit applications, including BMW 328i upstream cylinder 4, 5, 6 and BMW X3 upstream cylinder 1, 2, 3. Match the connector, wire count, and thread diameter to the original part before installation. For best results, inspect the exhaust bung and wiring routing during replacement.
- Fits 2006-2016 BMW Z4, Upstream
- Fits 2008-2013 BMW 128i, Upstream
- Fits 2007-2013 BMW 328i, Upstream
- Fits 2009-2013 BMW 328i xDrive, Upstream
- Fits 2011-2013 BMW 335is, Upstream
- Fits 2010-2012 BMW X3, Upstream
- Fits 2011 BMW 1 Series M, Upstream
- Fits 2007-2011 BMW 323i, Upstream
- Fits 2011 BMW 528i, Upstream
- Fits 2008-2010 BMW 135i, Upstream
- Fits 2007-2010 BMW 335i, Upstream
- Fits 2009-2010 BMW 335i xDrive, Upstream
- Fits 2008-2010 BMW 528i, Upstream
- Fits 2009-2010 BMW 528i xDrive, Upstream
- Fits 2006-2010 BMW 550i, Upstream Left
- Fits 2006-2010 BMW 650i, Upstream Left
- Fits 2007-2010 BMW X3, Upstream
- Fits 2007-2010 BMW X5, Upstream Left
- Fits 2007-2010 BMW X5, Upstream
- Fits 2007-2008 BMW 328xi, Upstream
- Fits 2007-2008 BMW 335xi, Upstream
- Fits 2008 BMW 528xi, Upstream
- Fits 2006-2008 BMW Z4, Upstream
- Fits 2007 BMW 525i, Upstream
- Fits 2007 BMW 525xi, Upstream
- Fits 2007 BMW 530i, Upstream
- Fits 2007 BMW 530xi, Upstream
- Fits 2006 BMW 323i, Upstream
- Fits 2006 BMW 325i, Upstream
- Fits 2006 BMW 325xi, Upstream
- Fits 2006 BMW 330i, Upstream
- Fits 2006 BMW 330xi, Upstream
- Fits 2006 BMW 525i, Upstream
- Fits 2006 BMW 525xi, Upstream
- Fits 2006 BMW 530i, Upstream
- Fits 2006 BMW 530xi, Upstream
Quality Assurance
Denso builds this OE Style sensor to strict original-equipment standards and tests each unit for replacement accuracy and fit consistency. The 234-5138 is intended to deliver the correct part and the correct fit for the listed BMW applications.
This part fits 100 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Submodel | Transmission | Position | Notes |
|---|---|---|---|---|---|---|
| 2016 | BMW | Z4 | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2015 | BMW | Z4 | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2014 | BMW | Z4 | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2013 | BMW | 128i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2013 | BMW | 328i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2013 | BMW | 328i xDrive | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2013 | BMW | 335is | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2013 | BMW | Z4 | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2012 | BMW | 128i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2012 | BMW | 328i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2012 | BMW | 328i xDrive | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2012 | BMW | 335is | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2012 | BMW | X3 | — | — | Upstream | Cylinder 1,2,3; OE Style |
| 2012 | BMW | X3 | xDrive28i | — | Upstream | Cylinder 1,2,3; OE Style |
| 2012 | BMW | Z4 | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2011 | BMW | 1 Series M | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2011 | BMW | 128i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2011 | BMW | 323i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2011 | BMW | 328i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2011 | BMW | 328i xDrive | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2011 | BMW | 335is | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2011 | BMW | 528i | — | — | Upstream | Cylinder 1,2,3; OE Style |
| 2011 | BMW | X3 | — | — | Upstream | Cylinder 1,2,3; OE Style |
| 2011 | BMW | Z4 | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2010 | BMW | 128i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2010 | BMW | 135i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2010 | BMW | 323i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2010 | BMW | 328i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2010 | BMW | 328i xDrive | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2010 | BMW | 335i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2010 | BMW | 335i xDrive | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2010 | BMW | 528i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2010 | BMW | 528i xDrive | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2010 | BMW | 550i | — | Manual | Upstream Left | OE Style |
| 2010 | BMW | 650i | — | Manual | Upstream Left | OE Style |
| 2010 | BMW | X3 | xDrive30i | — | Upstream | Cylinder 4,5,6; OE Style |
| 2010 | BMW | X3 | xDrive28i | — | Upstream | Cylinder 1,2,3; OE Style |
| 2010 | BMW | X5 | — | — | Upstream Left | OE Style |
| 2010 | BMW | X5 | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2010 | BMW | Z4 | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2009 | BMW | 128i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2009 | BMW | 135i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2009 | BMW | 323i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2009 | BMW | 328i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2009 | BMW | 328i xDrive | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2009 | BMW | 335i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2009 | BMW | 335i xDrive | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2009 | BMW | 528i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2009 | BMW | 528i xDrive | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2009 | BMW | 550i | — | Manual | Upstream Left | OE Style |
| 2009 | BMW | 650i | — | Manual | Upstream Left | OE Style |
| 2009 | BMW | X3 | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2009 | BMW | X5 | — | — | Upstream Left | OE Style |
| 2009 | BMW | X5 | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2009 | BMW | Z4 | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2008 | BMW | 128i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2008 | BMW | 135i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2008 | BMW | 323i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2008 | BMW | 328i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2008 | BMW | 328xi | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2008 | BMW | 335i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2008 | BMW | 335xi | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2008 | BMW | 528i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2008 | BMW | 528xi | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2008 | BMW | 550i | — | Manual | Upstream Left | OE Style |
| 2008 | BMW | 650i | — | Manual | Upstream Left | OE Style |
| 2008 | BMW | X3 | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2008 | BMW | X5 | — | — | Upstream Left | OE Style |
| 2008 | BMW | X5 | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2008 | BMW | Z4 | — | — | Upstream | OE Style |
| 2008 | BMW | Z4 | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2007 | BMW | 323i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2007 | BMW | 328i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2007 | BMW | 328xi | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2007 | BMW | 335i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2007 | BMW | 335xi | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2007 | BMW | 525i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2007 | BMW | 525xi | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2007 | BMW | 530i | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2007 | BMW | 530xi | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2007 | BMW | 550i | — | Manual | Upstream Left | OE Style |
| 2007 | BMW | 650i | — | Manual | Upstream Left | OE Style |
| 2007 | BMW | X3 | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2007 | BMW | X5 | — | — | Upstream Left | OE Style |
| 2007 | BMW | X5 | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2007 | BMW | Z4 | — | — | Upstream | OE Style |
| 2007 | BMW | Z4 | — | — | Upstream | Cylinder 4,5,6; OE Style |
| 2006 | BMW | 323i | — | — | Upstream | From 11/2005; Cylinder 4,5,6; OE Style |
| 2006 | BMW | 325i | — | — | Upstream | From 11/2005; Cylinder 4,5,6; OE Style |
| 2006 | BMW | 325xi | — | — | Upstream | From 11/2005; Cylinder 4,5,6; OE Style |
| 2006 | BMW | 330i | — | — | Upstream | From 11/2005; Cylinder 4,5,6; OE Style |
| 2006 | BMW | 330xi | — | — | Upstream | From 11/2005; Cylinder 4,5,6; OE Style |
| 2006 | BMW | 525i | — | — | Upstream | From 11/2005; Cylinder 4,5,6; OE Style |
| 2006 | BMW | 525xi | — | — | Upstream | From 11/2005; Cylinder 4,5,6; OE Style |
| 2006 | BMW | 530i | — | — | Upstream | From 11/2005; Cylinder 4,5,6; OE Style |
| 2006 | BMW | 530xi | — | — | Upstream | From 11/2005; Cylinder 4,5,6; OE Style |
| 2006 | BMW | 550i | — | Manual | Upstream Left | OE Style |
| 2006 | BMW | 650i | — | Manual | Upstream Left | OE Style |
| 2006 | BMW | Z4 | — | — | Upstream | OE Style |
| 2006 | BMW | Z4 | — | — | Upstream | Cylinder 4,5,6; OE Style |
| No rows match your filter. | ||||||
Directly replaces or cross-references 22 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 213-3936BMW — 11787540166BMW — 11787540167BMW — 11787557223BMW — 11787558073BMW — 11787558081BMW — 11787558087BMW — 11787589138Bosch — 15168Bosch — 17091Bosch — 17094Bosch — 17099Bosch — 17102Bosch — 17124Bosch — 17230Delphi — ES11081NTK — 24333NTK — 24345Walker Products — 250-25046Walker Products — 250-25047Walker Products — 350-35002Walker Products — 350-35058