OE Quality
60-Day Returns

Bosch 16094 Oxygen Sensor - Downstream, Downstream Right or Upstream
Overview of Bosch Actual OE Oxygen Sensor 16094
The Bosch Actual OE Oxygen Sensor 16094 is designed specifically for BMW M2, M3, and M4 models. This narrow-band heated oxygen sensor provides accurate emissions control by monitoring exhaust gases and ensuring optimal engine performance.
- Compatible with BMW M2, M3, and M4
- Part number 16094 for precise identification
- Heated narrow-band oxygen sensor for reliable readings
- Threaded mounting type with 18 mm thread diameter
- 18.7-inch wiring harness length with 4-wire configuration
- Blade terminal type with rectangular male connector
- Steel housing material with 22 mm hex size for installation
- Standard replacement grade for emission control sensors
About the Bosch Actual OE Oxygen Sensor Product Line
The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, ensuring compatibility and performance for specific vehicle applications. This product line focuses on delivering precise sensor readings and durability, making it suitable for emission control systems in BMW vehicles such as the M2, M3, and M4. The 16094 sensor maintains factory-level quality and fitment, supporting proper engine management and emissions compliance.
Detailed Product Description
This Bosch oxygen sensor features a narrow-band heated design, which allows it to reach operating temperature quickly for accurate exhaust gas measurement. The sensor includes a 4-wire configuration with a blade terminal type and a rectangular male connector, ensuring secure electrical connections. The wiring harness length of 18.7 inches and overall length of 22 inches provide sufficient reach for installation in the specified BMW models. Constructed with a steel housing and metal materials, the sensor is built for durability and resistance to harsh engine conditions. The threaded mounting type with an 18 mm diameter and 22 mm hex size facilitates straightforward installation using standard tools.
Common Applications and Issues Addressed
- Helps maintain proper air-fuel mixture for efficient combustion
- Reduces harmful emissions by providing accurate oxygen level data
- Prevents engine performance issues related to faulty sensors
- Resolves check engine light triggers caused by oxygen sensor faults
- Supports compliance with emission regulations in BMW M2, M3, and M4
Installation Notes and Tips
Ensure the vehicle is cool before beginning installation to avoid burns. Use a 22 mm wrench or oxygen sensor socket to remove the old sensor and install the Bosch 16094 sensor. Verify the wiring harness length and connector type match the vehicle’s factory setup. The threaded mounting type requires proper torque to avoid leaks or damage. No mounting bracket is included, so use the existing mounting point on the exhaust system.
Quality Assurance and Warranty
The Bosch Actual OE Oxygen Sensor 16094 is manufactured to meet OEM standards for fit, form, and function. It is a standard replacement grade sensor designed to provide reliable performance in emission control systems. Bosch products typically come with a limited warranty; please refer to Bosch documentation or authorized sources for specific warranty details.
| Brand | Bosch |
| Part Number | 16094 |
| Position | Actual OE Oxygen Sensor, Downstream, Downstream Right, and Upstream |
| Wiring Harness Length | 18.7 |
| Terminal Type | Blade |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Grade Type | Standard replacement |
| Connector Shape | Rectangle |
| Terminal Quantity | 4 |
| Connector Gender | Male |
| Terminal Gender | Male |
| Overall Length | 22 |
| Mounting Type | Threaded |
| Automotive Color / Finish | Steel |
| Automotive Item Weight (lbs) | 0.242508 lb |
| Heated (Oxygen Sensor) | Yes |
| Hex Size (Oxygen Sensor) | 22 mm |
| Housing Material | Metal |
| Length (Sealing Surface To End Of Connector) | 20.9 in |
| Mounting Bracket Included | No |
| Oxygen Sensor Type | Narrow-band heated |
| Sensor Type | Narrow-band |
| Thread Diameter (Oxygen Sensor) | 18 mm |
| Thread Size | 18 |
| Wiring Harness Included | Yes |
This part fits 13 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2021 | BMW | M2 | 3.0L | L6 | Upstream | Actual OE Oxygen Sensor |
| 2020 | BMW | M2 | 3.0L | L6 | Downstream Right | Actual OE Oxygen Sensor |
| 2020 | BMW | M4 | 3.0L | L6 | Downstream Right | Actual OE Oxygen Sensor |
| 2019 | BMW | M2 | 3.0L | L6 | Downstream Right | Actual OE Oxygen Sensor |
| 2019 | BMW | M4 | 3.0L | L6 | Downstream | Cylinder(s) 4, 5, and 6; Actual OE Oxygen Sensor |
| 2018 | BMW | M3 | 3.0L | L6 | Downstream | Cylinder(s) 4, 5, and 6; Actual OE Oxygen Sensor |
| 2018 | BMW | M4 | 3.0L | L6 | Downstream | Cylinder(s) 4, 5, and 6; Actual OE Oxygen Sensor |
| 2017 | BMW | M3 | 3.0L | L6 | Downstream | Cylinder(s) 4, 5, and 6; Actual OE Oxygen Sensor |
| 2017 | BMW | M4 | 3.0L | L6 | Downstream | Cylinder(s) 4, 5, and 6; Actual OE Oxygen Sensor |
| 2016 | BMW | M3 | 3.0L | L6 | Downstream | Cylinder(s) 4, 5, and 6; Actual OE Oxygen Sensor |
| 2016 | BMW | M4 | 3.0L | L6 | Downstream | Cylinder(s) 4, 5, and 6; Actual OE Oxygen Sensor |
| 2015 | BMW | M3 | 3.0L | L6 | Downstream | Cylinder(s) 4, 5, and 6; Actual OE Oxygen Sensor |
| 2015 | BMW | M4 | 3.0L | L6 | Downstream | Cylinder(s) 4, 5, and 6; Actual OE Oxygen Sensor |
* 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.