Bosch 13038 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for BMW 325i, 325is, and 528e Models

The Bosch Actual OE Oxygen Sensor 13038 is designed specifically for select BMW vehicles, including the 325i, 325is, and 528e. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

• Specific fit for BMW 325i, 325is, and 528e models
• Heated narrow-band oxygen sensor for improved response time
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 21.5-inch wiring harness with 4 wires and blade pin terminals
• Durable metal housing finished in steel for long-lasting use
• Connector features a round shape with male and female terminals
• Overall length of 25.2 inches for proper fitment and installation

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 reliable performance in emission control systems. The 13038 part number belongs to this line, offering a standard replacement grade sensor that maintains the integrity of your BMW's emissions system.

Detailed Product Description

This Bosch oxygen sensor features a narrow-band heated design, which allows it to reach operating temperature quickly for accurate oxygen level readings. The sensor's metal housing and steel finish provide durability against harsh engine conditions. It includes a 21.5-inch wiring harness with four wires and blade pin terminals, ensuring secure electrical connections. The threaded mounting type with an 18 mm diameter and 22 mm hex size allows for straightforward installation in compatible BMW models. The connector's round shape and male/female terminal configuration facilitate proper fitment and reliable signal transmission.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for BMW 325i, 325is, and 528e
• Helps resolve engine performance issues related to faulty oxygen sensors
• Reduces emissions by ensuring proper sensor function in the exhaust system
• Prevents check engine light triggers caused by sensor failure
• Improves fuel efficiency by maintaining correct combustion parameters

Installation Notes and Tips

When installing the Bosch 13038 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use a 22 mm wrench or socket to tighten the sensor securely without over-torquing. Verify the wiring harness length of 21.5 inches is sufficient for your vehicle's routing needs. Confirm the connector's round shape and male/female terminals match the factory harness to avoid connection issues. This sensor is a specific fit for BMW 325i, 325is, and 528e models, so verify compatibility before installation.

Quality Assurance and Warranty

Bosch manufactures the Actual OE Oxygen Sensor 13038 to meet strict quality standards, ensuring reliable performance and durability. This sensor is a standard replacement grade part designed to match original equipment specifications. While specific warranty details are not provided here, Bosch products typically come with manufacturer-backed warranties to protect against defects in materials and workmanship.