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Denso 234-4480 Oxygen Sensor - Downstream
| Brand | Denso 234-4480 |
|---|---|
| Position | Downstream |
| Wiring Harness Length | 35.55 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Connector Gender | Female |
| Thread Diameter | 0.708 |
| Mounting Type | Threaded |
| Product line | OE Style |
| Fits | BMW · 6 vehicles |
OE style replacement. Precision-built for exact replacement and a first-time fit.
Heated sensor. Helps support quicker operation and consistent performance.
Threaded mounting. Female connector and 4-wire design for a straightforward install.
Cross-references BMW 11787601911, Bosch 16203 and NTK 25736 for the same application. See all 5.
Denso OE Style Oxygen Sensor 234-4480
Denso 234-4480 is an OE-style heated oxygen sensor built for direct replacement on specific BMW applications. It is engineered for exact fitment and stable exhaust feedback, with a threaded mounting design and a female 4-wire connector for a clean, factory-style installation.
Compatible with 2013-2015 BMW X1 downstream and 2011-2013 BMW 335i xDrive downstream, this sensor supports accurate air-fuel monitoring in the exhaust stream. The Denso OE Style line is built to match original equipment dimensions and performance expectations, making it a practical choice for BMW X1 and BMW 335i xDrive oxygen sensor replacement work.
Key Features
- Heated oxygen sensor for downstream exhaust monitoring
- Specific-fit design for direct replacement applications
- 4-wire configuration with female connector
- Threaded mounting type for OE-style installation
- Wiring harness length: 35.55
- Thread diameter: 0.708
Product Details
Denso’s OE Style oxygen sensors are manufactured and tested to OE-level standards, with precision-built dimensions for first-time fit. The sensor uses an aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting consistent engine management performance and long service life. Part number 234-4480 cross-references BMW 11787601911 for the same application.
Common Issues This Sensor May Address
- Check engine light related to downstream oxygen sensor faults
- Incorrect exhaust feedback readings
- Reduced fuel economy caused by a failing sensor
- Rough or inconsistent engine performance tied to sensor degradation
- Fitment problems from worn or incorrect replacement sensors
Installation Notes and Tips
Verify downstream location before installation and confirm connector style, wire count, and thread size against the original sensor. Use the vehicle’s existing harness routing and inspect the exhaust bung threads for damage or contamination before threading in the replacement. This part is a specific-fit sensor for BMW X1 and BMW 335i xDrive applications listed above.
Quality Assurance
Denso manufactures this oxygen sensor to strict OE standards and tests it for replacement accuracy and fit. The OE Style product line is focused on factory-style dimensions and dependable sensor performance for direct-fit service work.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2015 | BMW | X1 | Downstream | OE Style |
| 2014 | BMW | X1 | Downstream | OE Style |
| 2013 | BMW | 335i xDrive | Downstream | OE Style |
| 2013 | BMW | X1 | Downstream | OE Style |
| 2012 | BMW | 335i xDrive | Downstream | OE Style |
| 2011 | BMW | 335i xDrive | Downstream | OE Style |
| No rows match your filter. | ||||