TC Remanufacturing B24-5581 Automatic Transmission Torque Converter

BMW Automatic Transmission Torque Converter

TC Remanufacturing B24-5581 is a lock-up automatic transmission torque converter built for BMW applications that require a 10.600-inch converter diameter, 27-spline hub, and slotted hub design. It is specified with a low stall characteristic, 3-pad mounting, and a 10mm x 1.5 mounting thread size for the listed BMW fitments.

Key Features

• Part number: B24-5581
• Lock-up automatic transmission torque converter
• 10.600-inch converter diameter
• 27-spline count with slotted hub type
• Low stall specification
• 3-pad mounting with 10mm x 1.5 thread size
• 1.257 pilot diameter and 9.250 bolt circle
• No ring gear
• Converter code: 24215581

Detailed Description

This TC Remanufacturing torque converter is built for BMW automatic transmission applications that call for the B24-5581 configuration. It is a lock-up unit with a low stall setup, making it a direct-match service part for vehicles such as the BMW 323i, 325i, 330i, X3, and X5 when the transmission and converter specifications match the listed dimensions and mounting pattern. The B24-5581 part number is also identified by converter code 24215581.

Compatible With BMW applications including 1999-2000 323i, 2000 323Ci, 2001 325i, 2001 325xi, 2001 330xi, 2001 530i, 2001-2002 Z3, 2001-2006 X5, 2003-2005 330i, 2003-2006 330Ci, and 2004-2006 X3. This part cross-references no additional part numbers in the provided data.

What This Part Helps Address

• Transmission shudder during lock-up operation
• Slipping or delayed torque transfer from the engine to the transmission
• Incorrect converter fitment caused by mismatched spline, hub, or bolt pattern
• Driveability issues related to a worn or failing torque converter
• Noise or vibration traced to converter wear or imbalance

Installation Notes and Tips

Verify the converter diameter, spline count, pilot diameter, bolt circle, and mounting style against the original unit before installation. Confirm the transmission code and vehicle application for your BMW 330Ci, X5, or other listed model to ensure the B24-5581 matches the existing setup. Inspect the transmission fluid, cooler, and flexplate condition during replacement so the new converter is installed into a clean, properly serviced system.

Quality Assurance

TC Remanufacturing supplies remanufactured drivetrain components for service replacement use. This torque converter is identified by the B24-5581 part number and converter code 24215581, with published specifications provided for fitment verification and ordering accuracy.