Walker 235-1721 Engine Camshaft Position Sensor

Walker Camshaft Position Sensor for BMW

Walker Products 235-1721 is an engine camshaft position sensor built for select BMW applications from the late 1980s and early 1990s. It supports accurate cam signal input for proper engine management on BMW 325i, 325is, 325iX, 525i, 325e, and 325es models.

Key Features

• Engine camshaft position sensor for ignition and engine management systems
• Walker Products engineering and manufacturing support for application accuracy
• Built to meet or exceed OEM standards and specifications
• Fits select BMW 3 Series and 5 Series applications
• Part number 235-1721 for easy catalog lookup

Detailed Description

Walker Products 235-1721 is a camshaft position sensor for BMW vehicles that rely on precise cam timing input for engine control. This sensor is listed for 1985-1993 BMW 325e, 1986-1987 BMW 325es, 1987-1993 BMW 325i, 1987-1991 BMW 325is, 1988-1991 BMW 325iX, and 1989-1990 BMW 525i applications. If you are replacing a failing BMW camshaft position sensor, this part provides a direct-fit service option for the listed vehicles. This part cross-references Standard Ignition PC516 for the same application.

What It Helps Fix

• Camshaft signal loss that can trigger drivability problems
• Hard starting caused by incorrect cam position input
• Intermittent stalling related to sensor signal interruption
• Rough idle or misfire conditions tied to engine timing data
• Check engine light concerns associated with cam sensor faults

Installation Notes and Tips

Verify the vehicle year, model, and engine configuration before ordering. Compare the original sensor connector and mounting style to the replacement part number 235-1721. After installation, clear any stored fault codes and confirm stable engine operation. For BMW 325i, 325is, 325iX, and 525i repairs, confirm the sensor location and routing before reconnecting the harness.

Quality Assurance

Walker Products has supplied fuel system and engine sensor components since 1946 and supports its aftermarket parts with manufacturing, product management, engineering, and technical resources. The company is ISO 9001 and IATF 16949 certified and states that its products are produced to meet or exceed OEM standards and specifications.