TC Remanufacturing BM43 Automatic Transmission Torque Converter

Automatic Torque Converter for BMW and Jaguar

TC Remanufacturing BM43 is an automatic transmission torque converter built for specific BMW and Jaguar applications. It features an 11.000-inch converter diameter, 11.500 bolt circle, low stall calibration, and a captive clutch design for the listed vehicles.

Key Features

• Part number: BM43
• Automatic transmission torque converter
• 11.000-inch converter diameter
• 11.500 bolt circle
• Captive clutch construction
• Slotted hub type
• 3-pad mounting with 10mm x 1.5 thread size
• 27-spline count
• Low stall specification
• Converter codes: K35, Q20, Q29, Q32
• No ring gear

Fitment

• Fits 2001-2003 BMW 330Ci, N/A
• Fits 2001-2003 BMW 330i, N/A
• Fits 2002-2003 BMW 530i, N/A
• Fits 1998-2003 Jaguar Vanden Plas, N/A
• Fits 1998-2003 Jaguar XJ8, N/A
• Fits 2000-2002 Jaguar XKR, N/A
• Fits 2000 BMW 328Ci, N/A
• Fits 2000 BMW 328i, N/A
• Fits 1997-2000 Jaguar XK8, N/A

Detailed Description

BM43 is a remanufactured automatic transmission torque converter for BMW 330Ci, BMW 330i, BMW 530i, BMW 328Ci, BMW 328i, and Jaguar Vanden Plas, XJ8, XKR, and XK8 applications listed above. The converter uses a captive clutch layout, slotted hub, 27-spline interface, and 3-pad mounting pattern to match the specified transmission setup. Its low stall calibration supports the drivability characteristics associated with the covered BMW and Jaguar platforms.

This part number, BM43, is identified with converter codes K35, Q20, Q29, and Q32. Verify the transmission code and existing converter specifications before ordering to confirm the correct match for your vehicle.

Common Replacement Reasons

• Torque converter shudder or clutch-related vibration
• Delayed engagement after shifting into gear
• Transmission slip under load
• Excessive heat or contaminated converter fluid
• Noise or drivability issues tied to converter wear

Installation Notes and Tips

Confirm bolt circle, pilot diameter, spline count, mounting type, and converter code before installation. The listed pilot diameter is 1.375 inches, and the mounting thread size is 10mm x 1.5. Always inspect the transmission fluid, cooler, and flexplate condition during replacement to help prevent repeat failure. Professional installation is recommended for BMW and Jaguar automatic transmission service.

Quality Assurance

TC Remanufacturing supplies remanufactured transmission hard parts for service applications, and BM43 is built to the published dimensional and fitment specifications for the listed BMW and Jaguar vehicles. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.