Bosch 16790 Oxygen Sensor - Downstream or Downstream Rear

Reliable Oxygen Sensor for BMW 535i Models

The Bosch Actual OE Oxygen Sensor 16790 is designed specifically for BMW 535i, 535i xDrive, and 535xi models. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to your vehicle's engine management system.

• Specific fit for BMW 535i, 535i xDrive, and 535xi
• Heated narrow-band oxygen sensor for improved response time
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 17.6-inch wiring harness with 4-pin female connector
• Durable metal housing finished in steel for long-lasting use
• Standard replacement grade for reliable emissions control

About the Bosch Actual OE Oxygen Sensor Line

The Bosch Actual OE Oxygen Sensor product line is engineered to meet original equipment specifications, providing a direct replacement for factory-installed sensors. This ensures compatibility and performance consistency for vehicles like the BMW 535i series. The 16790 part number belongs to this line, offering a balance of quality and value with features such as a heated sensor element and precise wiring harness configuration.

Detailed Product Description

This Bosch oxygen sensor features a narrow-band heated sensor type, which allows for faster warm-up times and more accurate readings under various operating conditions. The sensor is threaded with an 18 mm diameter and includes a 22 mm hex size for easy installation. The wiring harness is 17.6 inches long and includes four wires with a female 4-pin round connector, ensuring a secure and specific fit for the BMW 535i, 535i xDrive, and 535xi models. The sensor's metal housing finished in steel provides durability against heat and corrosion, while the overall length of 20.9 inches accommodates proper placement within the exhaust system.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for efficient engine operation
• Helps resolve check engine light triggers related to oxygen sensor faults
• Improves fuel economy by ensuring proper emissions control
• Reduces harmful exhaust emissions by maintaining optimal combustion
• Prevents engine performance issues caused by faulty oxygen sensors

Installation Notes and Tips

Installation requires a 22 mm wrench or socket to remove and install the sensor. Ensure the threaded mounting hole is clean before installation to avoid cross-threading. The 4-pin female connector should be securely connected to the vehicle’s wiring harness. Since this sensor is a specific fit for BMW 535i, 535i xDrive, and 535xi models, verify compatibility with your vehicle’s year and engine type 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 16790 is a standard replacement part that undergoes rigorous testing to ensure proper function. Warranty coverage details should be confirmed with the parts provider or Bosch directly.