HomeTransmission > Transmission Hard PartsTC Remanufacturing B25SZHS Automatic Transmission Torque Converter
Part #: B25SZHS

TC Remanufacturing B25SZHS Automatic Transmission Torque Converter

⚙️ 51 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, 325Ci, 528i, Z3, 318ti, 323i, 328i, 328is, 318i, 318is, 325i, 325is, 525i, and 525iT
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Overview of TC Remanufacturing B25SZHS Torque Converter

The TC Remanufacturing B25SZHS automatic transmission torque converter is designed for select BMW models, including the 318i, 325i, and Z3. This lock-up converter features a medium stall speed and precise fitment specifications to ensure reliable transmission performance.

  • Compatible with BMW 318i, 318is, 318ti, 323i, 325Ci, 325i, 325is, 328i, 328is, 525i, 525iT, 528i, and Z3 models
  • Lock-up converter type for improved efficiency
  • 11.000 inch converter diameter with 9.750 inch bolt circle
  • Slotted hub type with 27 spline count
  • 3 pads mounting type and 0.825 inch pilot diameter
  • Medium stall speed for balanced performance
  • Does not include ring gear

Detailed Product Description

The B25SZHS torque converter from TC Remanufacturing is engineered to meet the specific transmission requirements of various BMW vehicles. Its 11-inch diameter and 9.75-inch bolt circle ensure a precise fit within the transmission housing. The lock-up converter type enhances fuel efficiency by reducing slippage during highway cruising. Featuring a slotted hub with 27 splines, this converter provides secure engagement with the transmission input shaft. The 3 pads mounting type and 0.825-inch pilot diameter contribute to stable installation and alignment. This torque converter is designed without a ring gear, which is typical for certain transmission configurations in the listed BMW models.

Applications and Problem Solving

  • Replaces worn or damaged torque converters in BMW 3 Series and 5 Series models
  • Addresses issues with transmission slippage and overheating
  • Improves lock-up clutch engagement for smoother highway driving
  • Resolves vibration or shuddering caused by faulty torque converters
  • Restores proper stall speed for optimal engine performance

Installation Notes and Tips

  • Ensure compatibility with your specific BMW model and transmission type before installation
  • Inspect transmission fluid and replace if contaminated or degraded
  • Follow manufacturer torque specifications for mounting bolts on the 9.750 inch bolt circle
  • Verify spline alignment during installation to prevent damage
  • Test lock-up function after installation to confirm proper operation

Quality Assurance and Warranty

TC Remanufacturing provides this B25SZHS torque converter with a focus on durability and performance. Each unit undergoes rigorous testing to meet OEM standards for fit and function. Warranty coverage details should be confirmed at the point of purchase, ensuring peace of mind for professional and DIY installers alike.

BrandTC Remanufacturing
Part NumberB25SZHS
Bolt Circle9.750
Converter Diameter11.000
Converter TypeLock Up
Hub TypeSlotted
Mounting Type3 Pads
Pilot Diameter0.825
Ring GearNo
Spline Count27
StallMedium

This part fits 51 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005BMW325Ci2.5LL6N/A
2004BMW325Ci2.5LL6N/A
2003BMW325Ci2.5LL6N/A
2000BMW528i2.8LL6N/A
2000BMWZ32.5LL6N/A
2000BMWZ32.8LL6N/A
1999BMW318ti1.9LL4N/A
1999BMW323i2.5LL6N/A
1999BMW328i2.8LL6N/A
1999BMW328is2.8LL6N/A
1999BMW528i2.8LL6N/A
1999BMWZ32.5LL6N/A
1999BMWZ32.8LL6N/A
1998BMW318i1.9LL4N/A
1998BMW318ti1.9LL4N/A
1998BMW323i2.5LL6N/A
1998BMW328i2.8LL6N/A
1998BMW328is2.8LL6N/A
1998BMW528i2.8LL6N/A
1998BMWZ31.9LL4N/A
1998BMWZ32.8LL6N/A
1997BMW318i1.9LL4N/A
1997BMW318is1.9LL4N/A
1997BMW318ti1.9LL4N/A
1997BMW328i2.8LL6N/A
1997BMW328is2.8LL6N/A
1997BMW528i2.8LL6N/A
1997BMWZ31.9LL4N/A
1997BMWZ32.8LL6N/A
1996BMW318i1.9LL4N/A
1996BMW318ti1.9LL4N/A
1996BMW328i2.8LL6N/A
1996BMW328is2.8LL6N/A
1996BMWZ31.9LL4N/A
1995BMW318i1.8LL4N/A
1995BMW325i2.5LL6N/A
1995BMW325is2.5LL6N/A
1995BMW525i2.5LL6N/A
1994BMW318i1.8LL4N/A
1994BMW325i2.5LL6N/A
1994BMW325is2.5LL6N/A
1994BMW525i2.5LL6N/A
1993BMW318i1.8LL4N/A
1993BMW325is2.5LL6N/A
1993BMW525i2.5LL6N/A
1993BMW525iT2.5LL6N/A
1992BMW318i1.8LL4N/A
1992BMW325is2.5LL6N/A
1992BMW525i2.5LL6N/A
1991BMW318i1.8LL4N/A
1991BMW525i2.5LL6N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.