Standard Ignition SC555 Automatic Transmission Input Shaft Speed Sensor

Overview of Standard Ignition SC555 Transmission Sensor

The Standard Ignition SC555 is a new automatic transmission input shaft speed sensor designed for select BMW models. Engineered for precise speed detection, this sensor ensures accurate transmission performance in vehicles like the BMW 128i, 328i, 328i xDrive, 328xi, and X3.

• Attachment Method: Bolt mount with 2 mounting holes
• Color/Finish: Black for corrosion resistance
• Connector: Single male rectangular plug-in type
• Wiring: 3 wires with male blade terminals
• Mounting Location: Directly on the transmission
• Wiring Harness Included for easy connection
• New, not remanufactured

Detailed Product Description

The SC555 automatic transmission input shaft speed sensor from Standard Ignition is designed to provide reliable and accurate input shaft speed readings for compatible BMW vehicles. Its bolt mount attachment with two mounting holes ensures a secure fit directly on the transmission housing. The sensor features a black finish that helps resist environmental wear and corrosion. Equipped with a single male rectangular plug-in connector and three wires terminated with male blade terminals, it facilitates straightforward electrical connections. The included wiring harness simplifies installation and integration with the vehicle’s transmission control system.

Compatible BMW Models and Applications

This sensor is compatible with various BMW models, including the 128i, 328i, 328i xDrive, 328xi, and X3. It is specifically designed to meet the OEM specifications for these vehicles, ensuring proper fit and function within the automatic transmission system.

Common Issues Addressed by the SC555 Sensor

• Erratic or inaccurate transmission speed readings
• Transmission shifting problems or delays
• Check engine or transmission warning lights related to speed sensor faults
• Intermittent loss of communication with the transmission control module
• Reduced fuel efficiency due to improper transmission operation

Installation Notes and Tips

Installation requires mounting the sensor securely on the transmission using the two bolt holes provided. Ensure the connector is fully seated and locked to prevent electrical issues. The included wiring harness should be routed carefully to avoid heat sources and moving parts. It is recommended to verify sensor alignment and torque specifications according to BMW service guidelines to maintain optimal sensor performance.

Quality Assurance and Warranty

The Standard Ignition SC555 sensor is a new part manufactured to meet or exceed OEM standards. It undergoes rigorous quality control to ensure durability and reliable operation. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship to provide confidence in the product’s longevity and performance.