{"product_id":"tc-remanufacturing-bm39-automatic-transmission-torque-converter","title":"TC Remanufacturing BM39 Automatic Transmission Torque Converter","description":"\u003ch2\u003eOverview of TC Remanufacturing BM39 Torque Converter\u003c\/h2\u003e\u003cp\u003eThe TC Remanufacturing BM39 automatic transmission torque converter is engineered for select BMW and Land Rover models, including the 540i, 740i, 740iL, 840Ci, Range Rover, and X5. Designed with a captive clutch and medium stall, this torque converter ensures reliable power transfer and smooth shifting performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBolt Circle Diameter: 10.500 inches\u003c\/li\u003e\n\u003cli\u003eConverter Diameter: 11.000 inches\u003c\/li\u003e\n\u003cli\u003eConverter Type: Captive clutch\u003c\/li\u003e\n\u003cli\u003eHub Type: Slotted with 27 splines\u003c\/li\u003e\n\u003cli\u003eMounting Thread Size: 10mm x 1.5\u003c\/li\u003e\n\u003cli\u003eMounting Type: 4 pads\u003c\/li\u003e\n\u003cli\u003ePilot Diameter: 1.257 inches\u003c\/li\u003e\n\u003cli\u003eCompatible Converter Codes: 157-100, d21, f38, f39, l31\u003c\/li\u003e\n\u003cli\u003eRing Gear: Not included\u003c\/li\u003e\n\u003cli\u003eStall Speed: Medium\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe BM39 torque converter from TC Remanufacturing is specifically designed to meet the requirements of automatic transmissions in BMW 540i, 740i, 740iL, and 840Ci models, as well as Land Rover Range Rover and X5 vehicles. Its captive clutch design improves torque transfer efficiency and reduces slippage, while the slotted hub with 27 splines ensures secure engagement with the transmission input shaft. The 10.500-inch bolt circle and 4-pad mounting type provide a precise fit for the intended applications. The medium stall speed balances performance and drivability for these luxury vehicles.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Resolution\u003c\/h2\u003e\u003cp\u003eThis torque converter is used in automatic transmissions to transfer engine power smoothly to the transmission, enabling efficient acceleration and gear changes. It is suitable for addressing issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTransmission shudder or vibration during acceleration\u003c\/li\u003e\n\u003cli\u003eDelayed or harsh shifting in automatic transmissions\u003c\/li\u003e\n\u003cli\u003eOverheating caused by inefficient torque converter operation\u003c\/li\u003e\n\u003cli\u003eReduced fuel efficiency due to torque converter slippage\u003c\/li\u003e\n\u003cli\u003eFailure of the original torque converter clutch mechanism\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the BM39 torque converter, ensure the following:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVerify compatibility with your specific BMW or Land Rover model and transmission code.\u003c\/li\u003e\n\u003cli\u003eInspect the transmission input shaft and pump for wear or damage before installation.\u003c\/li\u003e\n\u003cli\u003eUse the correct mounting thread size (10mm x 1.5) and torque specifications for secure attachment.\u003c\/li\u003e\n\u003cli\u003eConfirm the slotted hub and spline count (27) match the transmission input shaft.\u003c\/li\u003e\n\u003cli\u003eFlush the transmission fluid and replace with manufacturer-recommended fluid after installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eTC Remanufacturing torque converters undergo rigorous remanufacturing processes to meet OEM specifications. Each BM39 unit is tested for balance, clutch operation, and durability to ensure reliable performance. While specific warranty details may vary, TC Remanufacturing typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation for exact warranty terms.\u003c\/p\u003e","brand":"TC Remanufacturing","offers":[{"title":"Default Title","offer_id":43389833117877,"sku":"HKFT-BM39","price":347.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DU_BM39_Fro.jpg?v=1774727983","url":"https:\/\/www.partcatalog.com\/products\/tc-remanufacturing-bm39-automatic-transmission-torque-converter","provider":"PartCatalog","version":"1.0","type":"link"}