Bosch 13952 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for BMW M3 and Z3 Models

The Bosch Actual OE Oxygen Sensor 13952 is designed specifically for BMW M3 and Z3 vehicles, ensuring precise emission control and optimal engine performance. This narrow-band heated oxygen sensor provides accurate air-fuel mixture readings to maintain efficient combustion and reduce harmful emissions.

• Specific fit for BMW M3 and Z3 models
• Heated narrow-band oxygen sensor for fast response
• Threaded mounting type with 18 mm thread diameter
• 26-inch wiring harness length with connector included
• Standard replacement grade with metal housing and steel finish
• 4-pin female connector with round shape for secure connection
• Overall length of 29.3 inches for proper installation
• Compatible with OEM specifications for reliable performance

About the Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment standards, providing a direct replacement for factory-installed sensors. This product line focuses on delivering precise sensor readings and durability, ensuring compatibility and performance that align with the original parts used in BMW vehicles. The 13952 sensor maintains the integrity of the emission control system by using a heated narrow-band design and robust metal housing.

Detailed Product Description and Features

The Bosch 13952 oxygen sensor features a heated narrow-band sensor type that allows for quicker warm-up times and accurate monitoring of exhaust gases. It includes a 26-inch wiring harness with a 4-wire configuration and a 4-pin female connector with a round shape, facilitating a secure and reliable electrical connection. The sensor mounts via a threaded 18 mm diameter fitting, ensuring a tight and leak-free installation. Constructed with a metal housing and finished in steel, this sensor is built to withstand harsh engine conditions. The overall length of 29.3 inches and a wiring harness length of 26 inches provide flexibility during installation in BMW M3 and Z3 models.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel efficiency
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce vehicle emissions to meet regulatory standards
• Prevents engine performance issues caused by faulty sensor data
• Supports proper catalytic converter function by maintaining correct exhaust gas readings

Installation Notes and Tips

When installing the Bosch 13952 oxygen sensor, ensure the engine is cool to avoid burns. Use a 22 mm hex socket for sensor removal and installation. Verify the wiring harness routing to prevent contact with hot or moving parts. The sensor’s specific fitment for BMW M3 and Z3 models simplifies installation, but always cross-check the part number and vehicle compatibility before proceeding. No mounting bracket is included, so use the existing mounting point on the exhaust system.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Actual OE Oxygen Sensor 13952 is a standard replacement part designed to match OEM specifications. While specific warranty details may vary, Bosch typically offers coverage against manufacturing defects to provide confidence in the product’s longevity and function.