TC Remanufacturing BM52 Automatic Transmission Torque Converter

BMW 530i Torque Converter BM52

TC Remanufacturing BM52 is a standard replacement automatic transmission torque converter for select 2004-2006 BMW 530i applications. It is built with a lock-up design, a 10.43-inch converter diameter, and a slight high stall profile for the specified drivetrain setup.

Key Features

• Part number: BM52
• Automatic transmission torque converter
• Standard replacement grade
• Lock-up type: Yes
• Converter diameter: 10.43 inches
• Bolt circle: 9.25
• Mounting type: Drive plate 3 pads w nuts
• Fitment note: mounting plate with captive nuts
• Hub type: Slotted/stepped
• Mounting thread size: 10mm x 1.0
• Spline count: 27
• Pilot diameter: 0.627
• Pilot length: 1.115
• Stall: Slight high
• Converter code: 000 243

Detailed Description

This TC Remanufacturing torque converter is specified for BMW 530i models from 2004 through 2006 and matches the listed mounting plate with captive nuts configuration. BM52 is a direct-fit automatic transmission hard part for the identified application, with lock-up operation and the listed hub, pilot, spline, and mounting dimensions used to match the transmission and flexplate interface. For buyers searching for a BMW 530i torque converter, BMW 530i automatic transmission torque converter, or BM52 replacement, this unit provides the documented fitment and dimensional details needed for selection.

TC Remanufacturing BM52 is also identified by converter code 000 243. The slight high stall specification and standard replacement grade make it a practical choice when replacing a worn or failing converter in the 2004-2006 BMW 530i. Use the part number BM52 and the vehicle fitment details together to confirm the correct application before ordering.

What It Helps Fix

• Torque converter shudder during lock-up operation
• Slipping or delayed engagement related to converter wear
• Vibration or drivability issues tied to a damaged converter hub or pilot interface
• Transmission performance problems caused by an incorrect converter stall or mounting pattern
• Noise or fluid contamination associated with internal converter failure

Installation Notes and Tips

Fits 2004-2006 BMW 530i, N/A. Confirm the mounting plate with captive nuts setup, 10mm x 1.0 mounting thread size, 27 spline count, 0.627 pilot diameter, and 1.115 pilot length before installation. Verify the converter code 000 243 and compare the existing unit to BM52 to ensure the correct transmission hard part is selected for the vehicle.

Quality Assurance

TC Remanufacturing supplies remanufactured drivetrain components for transmission service applications. BM52 is listed as a standard replacement torque converter with defined dimensional and fitment specifications for the BMW 530i platform.