Bosch 17103 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for BMW Models

The Bosch Actual OE Oxygen Sensor 17103 is designed to provide accurate air-fuel mixture readings for optimal engine performance. This heated, wide-band oxygen sensor is engineered specifically for select BMW vehicles, ensuring precise fit and function.

• Heated oxygen sensor for faster response times
• Specific fit for BMW 230i, 330i, 430i, 530i, X3, X4, and other models
• Wide-band sensor type for accurate emissions control
• 19.6-inch wiring harness with oblong male connector
• Threaded mounting type with 18 mm thread diameter
• Durable metal housing with 22 mm hex size for installation
• Standard replacement grade with 5-wire configuration

About the Bosch Actual OE Oxygen Sensor Line

The Bosch Actual OE Oxygen Sensor product line focuses on delivering sensors that meet original equipment specifications. This ensures compatibility and reliable performance for emission control systems. The 17103 part number is part of this line, providing a direct replacement solution for BMW vehicles requiring a heated, wide-band oxygen sensor.

Product Details and Specifications

This Bosch oxygen sensor features a heated element to reduce warm-up time, improving sensor accuracy shortly after engine start. The 5-wire design supports wide-band sensing technology, which offers precise measurement of oxygen levels in the exhaust gases. The sensor includes a 19.6-inch wiring harness with a male oblong connector, facilitating a secure electrical connection. Its metal housing and threaded mounting type (18 mm thread size) ensure durability and straightforward installation. The overall length from sealing surface to connector end is approximately 21.7 inches, with a total length of 22.9 inches, making it suitable for the specified BMW models.

Compatible BMW Models and 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
• BMW X3 and X4

This oxygen sensor is designed to address issues related to inaccurate oxygen readings and emissions control malfunctions in these vehicles.

Common Issues Addressed by Bosch Oxygen Sensor 17103

• Check engine light triggered by faulty oxygen sensor
• Poor fuel economy due to incorrect air-fuel mixture
• Increased emissions and failed emissions tests
• Engine performance problems such as rough idling or hesitation
• Delayed sensor response affecting engine management

Installation Notes and Tips

Installation requires removing the old oxygen sensor and threading the Bosch 17103 sensor into the exhaust manifold or pipe. Use a 22 mm oxygen sensor socket for proper tightening. Ensure the wiring harness is routed away from hot exhaust components to prevent damage. This sensor is a specific fit for the listed BMW models, so verify compatibility before installation.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet OEM standards for durability and performance. The Actual OE Oxygen Sensor line provides a standard replacement grade sensor designed for reliable operation. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control components to ensure customer confidence.