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TC Remanufacturing B25SZHS Automatic Transmission Torque Converter
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.
| Brand | TC Remanufacturing |
| Part Number | B25SZHS |
| Bolt Circle | 9.750 |
| Converter Diameter | 11.000 |
| Converter Type | Lock Up |
| Hub Type | Slotted |
| Mounting Type | 3 Pads |
| Pilot Diameter | 0.825 |
| Ring Gear | No |
| Spline Count | 27 |
| Stall | Medium |
This part fits 51 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | BMW | 325Ci | 2.5L | L6 | N/A | |
| 2004 | BMW | 325Ci | 2.5L | L6 | N/A | |
| 2003 | BMW | 325Ci | 2.5L | L6 | N/A | |
| 2000 | BMW | 528i | 2.8L | L6 | N/A | |
| 2000 | BMW | Z3 | 2.5L | L6 | N/A | |
| 2000 | BMW | Z3 | 2.8L | L6 | N/A | |
| 1999 | BMW | 318ti | 1.9L | L4 | N/A | |
| 1999 | BMW | 323i | 2.5L | L6 | N/A | |
| 1999 | BMW | 328i | 2.8L | L6 | N/A | |
| 1999 | BMW | 328is | 2.8L | L6 | N/A | |
| 1999 | BMW | 528i | 2.8L | L6 | N/A | |
| 1999 | BMW | Z3 | 2.5L | L6 | N/A | |
| 1999 | BMW | Z3 | 2.8L | L6 | N/A | |
| 1998 | BMW | 318i | 1.9L | L4 | N/A | |
| 1998 | BMW | 318ti | 1.9L | L4 | N/A | |
| 1998 | BMW | 323i | 2.5L | L6 | N/A | |
| 1998 | BMW | 328i | 2.8L | L6 | N/A | |
| 1998 | BMW | 328is | 2.8L | L6 | N/A | |
| 1998 | BMW | 528i | 2.8L | L6 | N/A | |
| 1998 | BMW | Z3 | 1.9L | L4 | N/A | |
| 1998 | BMW | Z3 | 2.8L | L6 | N/A | |
| 1997 | BMW | 318i | 1.9L | L4 | N/A | |
| 1997 | BMW | 318is | 1.9L | L4 | N/A | |
| 1997 | BMW | 318ti | 1.9L | L4 | N/A | |
| 1997 | BMW | 328i | 2.8L | L6 | N/A | |
| 1997 | BMW | 328is | 2.8L | L6 | N/A | |
| 1997 | BMW | 528i | 2.8L | L6 | N/A | |
| 1997 | BMW | Z3 | 1.9L | L4 | N/A | |
| 1997 | BMW | Z3 | 2.8L | L6 | N/A | |
| 1996 | BMW | 318i | 1.9L | L4 | N/A | |
| 1996 | BMW | 318ti | 1.9L | L4 | N/A | |
| 1996 | BMW | 328i | 2.8L | L6 | N/A | |
| 1996 | BMW | 328is | 2.8L | L6 | N/A | |
| 1996 | BMW | Z3 | 1.9L | L4 | N/A | |
| 1995 | BMW | 318i | 1.8L | L4 | N/A | |
| 1995 | BMW | 325i | 2.5L | L6 | N/A | |
| 1995 | BMW | 325is | 2.5L | L6 | N/A | |
| 1995 | BMW | 525i | 2.5L | L6 | N/A | |
| 1994 | BMW | 318i | 1.8L | L4 | N/A | |
| 1994 | BMW | 325i | 2.5L | L6 | N/A | |
| 1994 | BMW | 325is | 2.5L | L6 | N/A | |
| 1994 | BMW | 525i | 2.5L | L6 | N/A | |
| 1993 | BMW | 318i | 1.8L | L4 | N/A | |
| 1993 | BMW | 325is | 2.5L | L6 | N/A | |
| 1993 | BMW | 525i | 2.5L | L6 | N/A | |
| 1993 | BMW | 525iT | 2.5L | L6 | N/A | |
| 1992 | BMW | 318i | 1.8L | L4 | N/A | |
| 1992 | BMW | 325is | 2.5L | L6 | N/A | |
| 1992 | BMW | 525i | 2.5L | L6 | N/A | |
| 1991 | BMW | 318i | 1.8L | L4 | N/A | |
| 1991 | BMW | 525i | 2.5L | L6 | N/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.