TC Remanufacturing B24-5581 Automatic Transmission Torque Converter

Overview of TC Remanufacturing B24-5581 Torque Converter

The TC Remanufacturing B24-5581 automatic transmission torque converter is engineered for select BMW models, including the 323Ci, 325i, 330i, and X5. Designed with a lock-up converter type and a low stall speed, this torque converter supports smooth power transfer and efficient transmission performance.

• Compatible with BMW 323Ci, 323i, 325i, 325xi, 330Ci, 330i, 330xi, 530i, X3, X5, and Z3 models
• Lock-up converter type for improved fuel efficiency and reduced slippage
• 10.600-inch converter diameter with a 9.250-inch bolt circle
• Slotted hub type with 27 spline count for secure fitment
• Mounting thread size of 10mm x 1.5 and 3-pad mounting type
• Pilot diameter of 1.257 inches for precise alignment
• Low stall speed suitable for smooth acceleration and drivability

Technical Details and Specifications

The B24-5581 torque converter from TC Remanufacturing features a 10.600-inch diameter and a 9.250-inch bolt circle, ensuring compatibility with the specified BMW transmissions. Its lock-up design helps reduce heat and improve fuel economy by locking the torque converter at cruising speeds. The slotted hub type with 27 splines provides a secure connection to the transmission input shaft. Mounting is facilitated by a 10mm x 1.5 thread size and a 3-pad mounting type, allowing for straightforward installation. The pilot diameter of 1.257 inches ensures proper centering within the transmission housing. This torque converter does not include a ring gear and is designed with a low stall speed to optimize performance for daily driving conditions.

Applications and Common Issues Addressed

• Replacement for worn or damaged torque converters in BMW 3 Series, 5 Series, X3, X5, and Z3 models
• Resolves slipping or shuddering during acceleration
• Addresses overheating issues caused by inefficient torque converter lock-up
• Improves transmission engagement and reduces delayed shifting
• Eliminates abnormal noises related to torque converter failure

Installation Notes and Tips

When installing the B24-5581 torque converter, ensure the transmission input shaft and splines are clean and free of debris. Verify the pilot diameter aligns correctly with the transmission housing to prevent misalignment. Use the specified 10mm x 1.5 mounting threads and secure the converter using the 3-pad mounting system. It is recommended to inspect the transmission fluid and replace it if contaminated during installation. Proper torque specifications should be followed to avoid damage to mounting components.

Quality Assurance and Warranty

TC Remanufacturing provides this torque converter with a focus on durability and precise fitment for BMW vehicles. Each unit undergoes rigorous testing to meet OEM standards. While specific warranty details may vary, TC Remanufacturing typically offers coverage against defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms related to part number B24-5581.