Bosch 13752 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for BMW Z3 Emission Control

The Bosch Actual OE Oxygen Sensor 13752 is designed specifically for the BMW Z3, ensuring precise air-fuel mixture readings for optimal engine performance. This narrow-band heated oxygen sensor provides accurate emissions data to help maintain your vehicle’s emission system efficiency.

• Specific fit for BMW Z3 models
• Heated narrow-band oxygen sensor for faster response
• Threaded mounting type with 18 mm thread diameter
• 14-inch wiring harness with 4 wires and blade terminals
• Durable metal housing with steel finish
• Connector features a round shape with male gender and 4 terminals
• Overall length of 17.7 inches for proper installation
• Standard replacement grade for reliable performance

About the Bosch Actual OE Oxygen Sensor Line

The Bosch Actual OE Oxygen Sensor product line focuses on delivering direct-fit replacement sensors that meet original equipment specifications. This ensures compatibility and performance consistency with the vehicle’s emission control system. The 13752 sensor maintains Bosch’s commitment to quality and precision, providing a dependable solution for BMW Z3 owners requiring a standard replacement oxygen sensor.

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 detection. The sensor’s metal housing and steel finish provide durability against harsh engine conditions. With a 14-inch wiring harness and 4-wire configuration, it connects securely using blade terminals and a round male connector. The threaded mounting type with an 18 mm thread diameter ensures a secure fit in the exhaust system. The overall length of 17.7 inches and 16.5 inches from sealing surface to connector end accommodate proper routing and installation in the BMW Z3.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for BMW Z3 emission control
• Helps resolve check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by providing correct oxygen data to the engine control unit
• Reduces harmful emissions by maintaining proper combustion monitoring
• Replaces faulty or worn oxygen sensors to prevent drivability issues

Installation Notes and Tips

Ensure the engine and exhaust system are cool before installation to avoid burns. Use a 22 mm hex socket for sensor removal and installation. Verify the wiring harness length and connector type match the vehicle’s original sensor to avoid fitment issues. Do not overtighten the sensor; torque to manufacturer specifications to prevent damage to the threaded mounting.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Actual OE Oxygen Sensor 13752 is a standard replacement part designed to meet OEM specifications. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control components. Refer to Bosch or vehicle manufacturer documentation for exact warranty terms.