Bosch 17425 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for BMW 328d and X3 Models

The Bosch Actual OE Oxygen Sensor 17425 is designed specifically for BMW 328d, 328d xDrive, and X3 vehicles. This heated wide-band oxygen sensor ensures accurate air-fuel mixture readings to maintain optimal engine performance and emissions control.

• Heated oxygen sensor for faster response times
• Specific fit for BMW 328d, 328d xDrive, and X3 models
• 36.8-inch wiring harness length with 18-gauge wire
• Blade terminal type with male connector and terminal gender
• Wide-band sensor type with 6 terminals and 5 wires
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Durable metal housing with steel finish
• Includes wiring harness for direct replacement

About the Bosch Actual OE Oxygen Sensor Line

The Bosch Actual OE Oxygen Sensor product line focuses on delivering standard replacement sensors that meet original equipment specifications. This ensures compatibility and reliable performance for specific vehicle applications, such as the BMW 328d and X3 models. The 17425 part number represents a sensor engineered to provide precise emissions control and maintain engine efficiency.

Detailed Product Description

This Bosch oxygen sensor features a heated design to reduce warm-up time, allowing the sensor to provide accurate readings quickly after engine start. The wide-band sensor type offers a broader measurement range for improved air-fuel ratio monitoring. With a 36.8-inch wiring harness and 18-gauge wires, the sensor is designed for easy installation and secure electrical connections. The blade terminal and oblong male connector ensure a precise fit with factory wiring. The sensor’s metal housing and steel finish provide durability under harsh engine conditions. Threaded mounting with an 18 mm diameter and 22 mm hex size allows for straightforward replacement using standard tools.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for BMW 328d and X3 emissions systems
• Resolves engine performance issues related to faulty oxygen sensors
• Helps correct rough idling and poor fuel economy
• Reduces emissions by ensuring proper air-fuel mixture readings
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Bosch 17425 oxygen sensor, ensure the engine is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the wiring harness length and connector type match your vehicle’s factory setup. Avoid twisting or damaging the wiring during installation. Since this sensor is a specific fit for BMW 328d, 328d xDrive, and X3 models, confirm compatibility before installation.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. The Actual OE Oxygen Sensor line provides reliable performance and durability. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control sensors to ensure customer confidence in product quality.