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OE Quality
60-Day Returns
Denso
Oxygen Sensor - OE StyleDenso 234-8084 Oxygen Sensor - Downstream
| Brand | Denso 234-8084 |
|---|---|
| Position | Downstream |
| Wiring Harness Length | 20.71 |
| Sensor Type | Narrow-band |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Connector Gender | Male |
| Mounting Type | Threaded |
| Product line | Oxygen Sensor - OE Style |
| Fits | BMW · 71 vehicles |
OE-style replacement. Precision-built for exact replacement and a first-time fit.
Aluminum oxide trap layer. Helps protect the ceramic element from silicone and lead poisoning.
Narrow-band sensor. Threaded design with a 4-wire male connector.
Cross-references Bosch 16239, URO 11787589122 and Walker Products 250-241027 for the same application. See all 6.
$101.40Free shipping
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Denso 234-8084 Oxygen Sensor Overview
The Denso 234-8084 is an OE-style downstream oxygen sensor built for direct replacement on select BMW applications. It is a narrow-band, threaded sensor with a 4-wire male connector and a 20.71-inch wiring harness for a specific-fit installation.
Denso manufactures this oxygen sensor to OE standards and uses an aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination. That design supports stable engine management, fuel control, and long service life in the exhaust stream.
Key Features
- OE-style direct replacement oxygen sensor
- Narrow-band sensor type for downstream exhaust monitoring
- Specific fit for select BMW models
- 4-wire design with male connector
- Threaded mounting type for factory-style installation
- 20.71-inch wiring harness length
- Built with Denso’s aluminum oxide trap layer for element protection
Fitment Details
- Fits 2012-2018 BMW 320i, Downstream
- Fits 2013-2018 BMW 320i xDrive, Downstream
- Fits 2015-2018 BMW X4, Downstream
- Fits 2016-2018 BMW X5, Downstream
- Fits 2013-2017 BMW X3, Downstream
- Fits 2014-2016 BMW 228i, Downstream
- Fits 2015-2016 BMW 228i xDrive, Downstream
- Fits 2012-2016 BMW 328i, Downstream
- Fits 2014-2016 BMW 328i GT xDrive, Downstream
- Fits 2013-2016 BMW 328i xDrive, Downstream
- Fits 2014-2016 BMW 428i, Downstream
- Fits 2015-2016 BMW 428i Gran Coupe, Downstream
- Fits 2014-2016 BMW 428i xDrive, Downstream
- Fits 2015-2016 BMW 428i xDrive Gran Coupe, Downstream
- Fits 2012-2016 BMW 528i, Downstream
- Fits 2012-2016 BMW 528i xDrive, Downstream
- Fits 2012-2016 BMW Z4, Downstream
- Fits 2012-2015 BMW X1, Downstream
What This Sensor Helps Address
- Check engine light related to downstream oxygen sensor faults
- Incorrect exhaust oxygen readings affecting fuel trim control
- Reduced fuel economy caused by a worn sensor
- Rough running or drivability issues tied to sensor degradation
- Emissions test failures caused by a failing oxygen sensor
Installation Notes
Use this Denso 234-8084 oxygen sensor only on the listed BMW downstream applications. Confirm connector style, wire count, threaded mounting, and harness length before installation to ensure the replacement matches the original sensor layout. This part cross-references Bosch 16239 for the same application.
Quality Assurance
Denso builds this OE-style oxygen sensor to strict original-equipment standards and tests each component for direct-fit replacement use. The design is intended to deliver the right fit and proper function on the first installation for select BMW 320i, 328i, X3, X4, X5, and related models.
This part fits 71 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Submodel | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2018 | BMW | 320i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2018 | BMW | 320i xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2018 | BMW | X4 | xDrive28i | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2018 | BMW | X5 | xDrive40e | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2017 | BMW | 320i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2017 | BMW | 320i xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2017 | BMW | X3 | — | GAS | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2017 | BMW | X4 | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2017 | BMW | X5 | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2016 | BMW | 228i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2016 | BMW | 228i xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2016 | BMW | 320i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2016 | BMW | 320i xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2016 | BMW | 328i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2016 | BMW | 328i GT xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2016 | BMW | 328i xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2016 | BMW | 428i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2016 | BMW | 428i Gran Coupe | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2016 | BMW | 428i xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2016 | BMW | 428i xDrive Gran Coupe | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2016 | BMW | 528i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2016 | BMW | 528i xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2016 | BMW | X3 | — | GAS | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2016 | BMW | X4 | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2016 | BMW | X5 | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2016 | BMW | Z4 | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2015 | BMW | 228i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2015 | BMW | 228i xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2015 | BMW | 320i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2015 | BMW | 320i xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2015 | BMW | 328i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2015 | BMW | 328i GT xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2015 | BMW | 328i xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2015 | BMW | 428i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2015 | BMW | 428i Gran Coupe | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2015 | BMW | 428i xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2015 | BMW | 428i xDrive Gran Coupe | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2015 | BMW | 528i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2015 | BMW | 528i xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2015 | BMW | X1 | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2015 | BMW | X3 | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2015 | BMW | X4 | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2015 | BMW | Z4 | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2014 | BMW | 228i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2014 | BMW | 320i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2014 | BMW | 320i xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2014 | BMW | 328i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2014 | BMW | 328i GT xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2014 | BMW | 328i xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2014 | BMW | 428i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2014 | BMW | 428i xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2014 | BMW | 528i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2014 | BMW | 528i xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2014 | BMW | X1 | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2014 | BMW | X3 | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2014 | BMW | Z4 | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2013 | BMW | 320i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2013 | BMW | 320i xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2013 | BMW | 328i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2013 | BMW | 328i xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2013 | BMW | 528i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2013 | BMW | 528i xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2013 | BMW | X1 | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2013 | BMW | X3 | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2013 | BMW | Z4 | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2012 | BMW | 320i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2012 | BMW | 328i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2012 | BMW | 528i | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2012 | BMW | 528i xDrive | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2012 | BMW | X1 | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| 2012 | BMW | Z4 | — | — | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style |
| No rows match your filter. | ||||||
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 16239URO — 11787589122Walker Products — 250-241027Walker Products — 350-34229257402348084