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Walker 350-35160 Oxygen Sensor - Upstream Left or Upstream Right
Overview of Walker 350-35160 Oxygen Sensor for BMW Models
The Walker 350-35160 oxygen sensor is designed specifically for select BMW vehicles, including the 550i xDrive, 750i, 750i xDrive, 750Li, 750Li xDrive, and M550i xDrive. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.
- Heated oxygen sensor type for faster response times
- Specific fit for BMW 550i xDrive, 750i, 750i xDrive, 750Li, 750Li xDrive, and M550i xDrive
- Wiring harness length of 35.94 inches for proper routing
- Five-wire configuration with 20 gauge wire for reliable signal transmission
- Female connector gender and 18mm thread diameter for secure installation
- Overall length of 39.49 inches to accommodate vehicle-specific placement
Detailed Product Description
The Walker 350-35160 oxygen sensor is a heated sensor designed to meet the exact specifications of certain BMW models. Its five-wire design includes a heating element that allows the sensor to reach operating temperature quickly, improving emissions control efficiency. The wiring harness length of 35.94 inches and overall length of 39.49 inches provide adequate reach and flexibility for installation in the designated engine compartments. The sensor’s 18mm thread diameter and female connector ensure compatibility with the factory wiring harness and mounting points. This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on delivering reliable emission control components tailored to specific vehicle applications.
Common Applications and Issues Addressed
- Restores accurate air-fuel ratio readings for improved engine performance
- Helps reduce harmful emissions by ensuring proper catalytic converter function
- Resolves check engine light triggers related to oxygen sensor faults
- Improves fuel efficiency by providing precise sensor data to the engine control unit
- Prevents drivability issues such as rough idling or hesitation
Installation Notes and Tips
- Ensure the vehicle is compatible: BMW 550i xDrive, 750i, 750i xDrive, 750Li, 750Li xDrive, or M550i xDrive
- Disconnect the battery before installation to avoid electrical shorts
- Use anti-seize compound on the sensor threads if not pre-applied
- Verify the female connector matches the vehicle’s wiring harness
- Follow torque specifications for the 18mm thread diameter to avoid damage
Quality Assurance and Warranty
Walker Products Aftermarket components, including the 350-35160 oxygen sensor, are manufactured to meet or exceed OEM standards for fit, form, and function. This oxygen sensor undergoes rigorous testing to ensure durability and reliable performance in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Walker |
| Part Number | 350-35160 |
| Position | Walker Products Aftermarket, Upstream Left |
| Connector Gender | Female |
| Overall Length | 39.49 |
| Sensor Type | Heated |
| Thread Diameter | 18.00 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 5 |
| Wiring Harness Length | 35.94 |
This part fits 44 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2020 | BMW | M550i xDrive | 4.4L | V8 | Upstream Right | OE Replacement | ||
| 2019 | BMW | 750i | 4.4L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products Aftermarket | |
| 2019 | BMW | 750i | 4.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products Aftermarket | |
| 2019 | BMW | 750i | 4.4L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products Aftermarket | |
| 2019 | BMW | 750i | 4.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products Aftermarket | |
| 2019 | BMW | 750i xDrive | 4.4L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products Aftermarket | |
| 2019 | BMW | 750i xDrive | 4.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products Aftermarket | |
| 2019 | BMW | 750i xDrive | 4.4L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products Aftermarket | |
| 2019 | BMW | 750i xDrive | 4.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products Aftermarket | |
| 2019 | BMW | 750Li | 4.4L | V8 | Upstream Right | OE Replacement | ||
| 2019 | BMW | 750Li xDrive | Sedan | 4.4L | V8 | Upstream Right | OE Replacement | |
| 2019 | BMW | M550i xDrive | 4.4L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products Aftermarket | |
| 2019 | BMW | M550i xDrive | 4.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products Aftermarket | |
| 2019 | BMW | M550i xDrive | 4.4L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products Aftermarket | |
| 2019 | BMW | M550i xDrive | 4.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products Aftermarket | |
| 2018 | BMW | 550i xDrive | 4.4L | V8 | Upstream Right | OE Replacement | ||
| 2018 | BMW | 750i | 4.4L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products Aftermarket | |
| 2018 | BMW | 750i | 4.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products Aftermarket | |
| 2018 | BMW | 750i | 4.4L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products Aftermarket | |
| 2018 | BMW | 750i | 4.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products Aftermarket | |
| 2018 | BMW | 750i xDrive | 4.4L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products Aftermarket | |
| 2018 | BMW | 750i xDrive | 4.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products Aftermarket | |
| 2018 | BMW | 750i xDrive | 4.4L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products Aftermarket | |
| 2018 | BMW | 750i xDrive | 4.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products Aftermarket | |
| 2018 | BMW | 750Li | 4.4L | V8 | Upstream Right | OE Replacement | ||
| 2018 | BMW | 750Li xDrive | 4.4L | V8 | Upstream Right | OE Replacement | ||
| 2018 | BMW | M550i xDrive | 4.4L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products Aftermarket | |
| 2018 | BMW | M550i xDrive | 4.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products Aftermarket | |
| 2018 | BMW | M550i xDrive | 4.4L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products Aftermarket | |
| 2018 | BMW | M550i xDrive | 4.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products Aftermarket | |
| 2017 | BMW | 750i | 4.4L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products Aftermarket | |
| 2017 | BMW | 750i | 4.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products Aftermarket | |
| 2017 | BMW | 750i | 4.4L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products Aftermarket | |
| 2017 | BMW | 750i | 4.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products Aftermarket | |
| 2017 | BMW | 750i xDrive | 4.4L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products Aftermarket | |
| 2017 | BMW | 750i xDrive | 4.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products Aftermarket | |
| 2017 | BMW | 750i xDrive | 4.4L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products Aftermarket | |
| 2017 | BMW | 750i xDrive | 4.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products Aftermarket | |
| 2017 | BMW | 750Li | 4.4L | V8 | Upstream Right | OE Replacement | ||
| 2017 | BMW | 750Li xDrive | 4.4L | V8 | GAS | Upstream Right | OE Replacement | |
| 2016 | BMW | 750i xDrive | 4.4L | V8 | Upstream Right | B1S1; OE Replacement | ||
| 2016 | BMW | 750Li | 4.4L | V8 | Upstream Right | OE Replacement | ||
| 2016 | BMW | 750Li xDrive | 4.4L | V8 | Upstream Right | OE Replacement | ||
| 2015 | BMW | 750Li | 4.4L | V8 | Upstream Right | OE Replacement |
* 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.