TC Remanufacturing BM44 Automatic Transmission Torque Converter

Overview of TC Remanufacturing BM44 Torque Converter

The TC Remanufacturing BM44 automatic transmission torque converter is engineered for select BMW models including the 323Ci, 323i, 325Ci, 325i, 525i, and Z4. Designed with precision, this lock-up converter offers reliable performance and compatibility with specific transmission codes.

• Compatible with BMW 323Ci, 323i, 325Ci, 325i, 525i, and Z4 models
• Lock-up converter type for improved efficiency
• Converter diameter of 10.875 inches
• Bolt circle diameter of 9.250 inches
• Slotted and stepped hub type with 27 splines
• Mounting type features 3 pads sized 10mm x 1.5
• Pilot diameter of 1.257 inches and pilot length of 1.600 inches
• Visible blue markers for easy identification
• Compatible with converter codes 156-208, a14 (some), c51, j28, n33, s38
• Slight low stall characteristic

Detailed Product Description

The BM44 torque converter from TC Remanufacturing is designed to meet the specific requirements of automatic transmissions in various BMW models. Its lock-up converter type helps improve fuel efficiency by reducing slippage during cruising speeds. The 10.875-inch diameter and 9.250-inch bolt circle ensure proper fitment within the transmission housing. The slotted and stepped hub with 27 splines provides secure engagement with the transmission input shaft. Mounting is facilitated by three pads sized 10mm x 1.5, ensuring a stable and precise installation. The pilot diameter and length are engineered to align perfectly with the transmission’s pilot bore, minimizing vibration and wear. Blue visible markers assist technicians in verifying the correct part during installation. This torque converter is compatible with several converter codes, making it suitable for a range of BMW automatic transmissions.

Common Applications and Issues Addressed

• Replacement for worn or damaged torque converters in BMW 323Ci, 323i, 325Ci, 325i, 525i, and Z4 models
• Resolves issues related to slipping or shuddering during acceleration
• Addresses low stall speed concerns with a slight low stall characteristic
• Improves transmission lock-up performance for better fuel economy
• Eliminates vibration caused by misaligned or damaged torque converters

Installation Notes and Tips

• Verify compatibility with your BMW model and transmission converter codes before installation
• Ensure the torque converter is properly seated on the input shaft splines (27 spline count)
• Check that the pilot diameter (1.257 inches) and length (1.600 inches) align with the transmission housing
• Use the visible blue markers to confirm correct orientation during installation
• Tighten mounting bolts to manufacturer specifications using the 3 pads (10mm x 1.5) mounting pattern

Quality Assurance and Warranty

TC Remanufacturing maintains strict quality control standards for the BM44 torque converter to ensure durability and reliable performance. Each unit undergoes thorough inspection and testing to meet OEM specifications. While specific warranty details may vary, TC Remanufacturing typically offers coverage against defects in materials and workmanship. Consult product documentation or contact the manufacturer for exact warranty terms.