Standard Ignition TX128 Engine Coolant Temperature Sensor

Reliable Engine Coolant Temperature Sensor for BMW and Mini Models

The Standard Ignition TX128 Engine Coolant Temperature Sensor is designed to provide accurate temperature readings for your vehicle's engine management system. Compatible with a wide range of BMW and Mini models, this sensor ensures optimal engine performance and helps prevent overheating issues.

• Bolt-on attachment method for secure installation
• Female rectangular plug-in connector with one port
• Two male blade terminals for reliable electrical connection
• Compatible with multiple BMW and Mini models including 3 Series, 5 Series, 6 Series, 7 Series, X Series, Z Series, and Cooper variants
• Part number TX128 for easy identification and replacement

Technical Details and Compatibility

The TX128 Engine Coolant Temperature Sensor from Standard Ignition features a bolt-on attachment method, ensuring a firm and stable fit in the engine bay. It includes a single female rectangular plug-in connector with one port, designed to interface seamlessly with your vehicle's wiring harness. The sensor terminals are male blade type, with two terminals providing a secure electrical connection for accurate temperature data transmission.

This sensor is compatible with a broad range of BMW models such as the 128i, 320i, 323Ci, 325i, 328i, 330i, 525i, 530i, 540i, 550i, 645Ci, 650i, 740i, 745i, 750i, 760i, M3, M5, M6, X3, X5, X6, Z4, and Z8. It also fits Mini models including Cooper, Cooper Clubman, and Cooper Countryman. Using the correct sensor like the TX128 ensures your vehicle’s engine control unit receives precise coolant temperature readings for efficient fuel management and emission control.

Common Applications and Problem Resolution

• Prevents engine overheating by providing accurate temperature data
• Helps maintain optimal fuel injection timing and engine performance
• Resolves erratic temperature gauge readings or warning lights
• Eliminates engine stalling or rough idling caused by faulty temperature sensors
• Supports proper operation of cooling fans and emission control systems

Installation Notes and Tips

Installation of the Standard Ignition TX128 sensor requires removing the old sensor and bolting the new one in place. Ensure the engine is cool before beginning installation to avoid burns. Disconnect the battery to prevent electrical shorts. Verify the connector type matches your vehicle’s wiring harness—this sensor uses a female rectangular plug-in connector with two male blade terminals. Tighten the bolt securely but avoid over-torquing to prevent damage. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The TX128 Engine Coolant Temperature Sensor undergoes rigorous testing to confirm accurate temperature readings and electrical integrity. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in material and workmanship under normal use.