Bosch 16143 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for BMW Models

The Bosch Actual OE Oxygen Sensor 16143 is designed specifically for select BMW vehicles, ensuring precise emission control and optimal engine performance. This narrow-band heated oxygen sensor provides accurate air-fuel mixture readings to maintain efficient combustion and reduce emissions.

• Specific fit for BMW 230i, 330i, 430i, 530i, 740e, M760i, X3, and X4 models
• Heated narrow-band oxygen sensor for faster response times
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Four-wire design with blade terminals and oblong male connector
• Durable metal housing finished in steel for long-lasting performance
• Includes wiring harness with 30.2-inch length for proper installation

Product Line: Bosch Actual OE Oxygen Sensor

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, providing a direct replacement for factory-installed sensors. This ensures compatibility and reliable operation within the vehicle’s emission control system. The 16143 part number belongs to this line, offering a standard replacement grade sensor that maintains the integrity of your BMW’s engine management system.

Detailed Product Description

This Bosch oxygen sensor features a narrow-band heated sensor type, which allows it to quickly reach operating temperature and deliver accurate oxygen level readings. The sensor’s four-wire configuration includes a heated element and signal wires, connected via a male oblong connector with blade terminals. The threaded mounting type with an 18 mm diameter and 22 mm hex size allows for secure installation in the exhaust system. The sensor’s overall length is 33.6 inches, with a wiring harness length of 30.2 inches, providing sufficient reach for proper placement. Constructed with a metal housing finished in steel, this sensor is built to withstand harsh under-hood conditions.

Compatible BMW Models and Common Applications

• BMW 230i and 230i xDrive
• BMW 330e, 330i, 330i GT xDrive, and 330i xDrive
• BMW 430i, 430i Gran Coupe, 430i xDrive, and 430i xDrive Gran Coupe
• BMW 530e, 530e xDrive, 530i, and 530i xDrive
• BMW 740e xDrive, M760i xDrive, M760Li xDrive, X3, and X4

This oxygen sensor is used to address issues such as poor fuel economy, increased emissions, rough idling, engine misfires, and failed emissions tests.

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor to avoid burns
• Use a 22 mm oxygen sensor socket for removal and installation
• Do not overtighten; torque to manufacturer specifications
• Verify connector compatibility with the vehicle’s wiring harness
• Inspect wiring for damage before installation

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards and are designed for durability and reliable performance. The Actual OE Oxygen Sensor 16143 is a standard replacement part that maintains factory specifications. Warranty coverage details should be confirmed with the point of purchase or Bosch directly.