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  3. TC REMANUFACTURING BM58

TC REMANUFACTURING BM58 Automatic Transmission Torque Converter

fits model: X6, X3.

Bm58 Tc Remanufacturing Automatic Transmission Torque Converter For X6 X3 More

( Brand: Tc Remanufacturing ), ( Manufacturer Part Number: BM58 ), ( Product Type: Factory Replacement ), ( Type: Automatic Transmission Torque Converter ), ( Bolt Circle: 9.250 ), ( Converter Codes: B117, J138, P173, V162, U137, 000334, 08 2010 464 ), ( Converter Diameter: 10.00 ), ( Converter Height: 5.456 ), ( Grade Type: Standard Replacement ), ( Hub Type: Smooth No Drive Hub ), ( Lock Up: Yes ), ( Mounting Thread Size: 10mm X 1.50 ), ( Mounting Type: Plate With 6 Holes ), ( Pilot Diameter: 1.258 ), ( Spline Count: 32 )

Review TC REMANUFACTURING Automatic Transmission Torque Converter More fits X6 X3

The **TC Remanufacturing BM58 Automatic Transmission Torque Converter** is a meticulously rebuilt, high-performance replacement unit specifically engineered to restore peak efficiency and longevity to the **ZF 8HP90** transmission found in BMW s **X6 (F13/F14/F15/F16)** and **X3 (F25/F35)** models equipped with the **N63TU or N74** inline-six engines. Designed to meet or exceed OEM specifications, this torque converter is crafted from premium materials and undergoes a rigorous remanufacturing process that includes precision machining, dynamic balancing, and comprehensive testing to ensure flawless operation. The BM58 converter features a **stamped aluminum housing** with a **high-torque capacity**, optimized for smooth engagement and reduced slippage, which translates to improved acceleration, fuel efficiency, and overall drivability. Its **hydraulic system** is meticulously recalibrated to deliver precise pressure regulation, minimizing wear on the transmission components while enhancing shifting performance. Whether installed in a high-mileage vehicle requiring a reliable rebuild or a performance-oriented setup seeking enhanced torque response, this torque converter is built to withstand the demands of modern driving conditions, from city commutes to spirited highway cruising. Backed by TC Remanufacturing s commitment to quality and supported by a comprehensive warranty, this unit serves as an ideal solution for restoring or upgrading the transmission system in BMW s luxury SUVs.

### **Pros and Cons of Buying a TC Remanufactured BMW B58 Automatic Transmission Torque Converter for X6/X3**

#### **Pros:**

1. **Cost-Effective Alternative to OEM** A remanufactured torque converter is significantly cheaper than a brand-new OEM unit, often costing 30-50% less while maintaining high reliability.

2. **Performance Similar to OEM** Reputable remanufacturers use high-quality materials and precision machining to ensure the torque converter performs nearly identical to a factory unit, including clutch engagement and stall speed.

3. **Warranty Coverage** Most remanufactured torque converters come with a warranty (typically 1-2 years), providing peace of mind against premature failure.

4. **Compatibility with Aftermarket Upgrades** If you ve modified your transmission (e.g., with a torque converter upgrade kit), a remanufactured unit can integrate well with aftermarket components.

5. **Environmentally Friendly** Remanufacturing reduces waste by reusing existing parts rather than producing new ones.

6. **Quick Turnaround** Unlike OEM parts, remanufactured units are often available faster, reducing downtime for repairs.

7. **Proven Reliability** Many high-end remanufacturers specialize in BMW transmissions and torque converters, ensuring durability if sourced correctly.

#### **Cons:**

1. **Quality Variability** Not all remanufacturers are equal; some may cut corners on materials or machining, leading to premature wear or failure.

2. **Potential for Mismatched Specs** If the remanufactured unit isn t precisely matched to your vehicle s transmission (e.g., incorrect stall speed or clutch diameter), it could cause shifting issues or reduced performance.

3. **Limited Customization** Unlike OEM or high-end aftermarket units, remanufactured torque converters may not offer performance tuning options (e.g., for track use).

4. **Installation Risks** If not installed correctly (e.g., improper torque specs or alignment), it could lead to transmission damage or premature failure.

5. **Brand Reputation Matters** Some remanufacturers have better reputations than others; choosing an unknown or low-quality supplier increases risk.

6. **Potential for Contamination** If the remanufacturing process isn t thorough, old fluid or debris could remain, affecting performance.

7. **Warranty Limitations** While warranties exist, they may not cover all failure modes (e.g., improper installation or abuse) and could require proof of purchase or service records.

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### **Ending Conclusion**

A **remanufactured BMW B58 torque converter** for your X6 or X3 can be an excellent cost-effective solution if sourced from a **reputable manufacturer** with a strong warranty. It offers near-OEM performance at a fraction of the cost, making it ideal for everyday driving and reliable repairs. However, the **quality and fitment depend entirely on the supplier**, so thorough research is essential. If you prioritize **maximum durability, exact specs, or performance tuning**, an OEM or high-end aftermarket unit may be preferable but for most owners, a well-sourced remanufactured unit strikes the best balance.

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### **Recommendation**

1. **Choose a Trusted Supplier** Opt for a well-known remanufacturer specializing in BMW transmissions (e.g., **Torque Converter Direct, Reman Specialties, or BMW-specific shops**).

2. **Verify Specifications** Ensure the torque converter matches your transmission s stall speed, clutch diameter, and fluid requirements (e.g., **ZF 6HP21 for X6/X3**).

3. **Check Warranty Terms** Look for a **minimum 1-year warranty** and confirm coverage details (e.g., labor vs. parts).

4. **Consider Professional Installation** If you re not experienced with transmission work, have it installed by a **BMW specialist** to avoid misalignment or damage.

5. **Monitor Performance** After installation, watch for **rough shifting, overheating, or fluid leaks**, which could indicate a mismatch or poor quality.

6. **Alternative Option for Enthusiasts** If you plan to **modify the transmission** (e.g., for track use), a **high-end aftermarket torque converter** (e.g., **Torque Converter Specialties or TCS**) may be worth the extra cost for better performance.

**Final Verdict:** For most owners, a **high-quality remanufactured torque converter is a smart, budget-friendly choice** but **never compromise on supplier reputation**. If budget is not a concern, an OEM or premium aftermarket unit ensures absolute reliability.

Details:

2012-2017 BMW X3 3.0L L6 Converter Codes:B117, J138, P173, V162, U137, 000334, 08 2010 464. This does not mean that fog lamps are included. Manufacturer Part Number: BM58. 2013 2019 BMW X6 3.0L L6 Converter Codes:B117, J138, P173, V162, U137, 000334, 08 2010 464.

For example, if it states with fog lamps, this means your vehicle must be equipped lamps. SHIPPING INFORMATION: This ships via standard shipping.

part #: bm58 price

  • $401.40

specifications torquconv:

  • for models: X6, X3
  • brand: Tc Remanufacturing
  • mpn: Bm58
  • product type: Factory Replacement
  • type: Automatic Transmission Torque Converter
  • bolt circle: 9.250
  • converter codes: B117, J138, P173, V162, U137, 000334, 08 2010 464
  • converter diameter: 10.00
  • converter height: 5.456
  • grade type: Standard Replacement
  • hub type: Smooth No Drive Hub
  • lock up: Yes
  • mounting thread size: 10mm X 1.50
  • mounting type: Plate With 6 Holes
  • pilot diameter: 1.258
  • spline count: 32

general torquconv:

  • condition: Remanufactured
  • Car Truck Parts Accessories > Transmission Drivetrain > Torque Converters

payments torquconv:

  • wallet: Apple-pay
  • credit card: Mastercard
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offer torquconv:

  • started: February 5, 2026
  • availability: In Stock
  • sold: 0
  • quantity: 1
  • options: Ship-to-home

seller torquconv:

  • # reviews: 55884
  • city: USA
  • rating: 99.5%

shipping torquconv:

  • type: Fixed
  • service: Standard
  • transit: 2-5 Days
  • class: Standard
  • cost: $0.00

returns torquconv:

  • time: 60 Days
  • policy: Returns Accepted
  • paid by: Seller
for models: x6, x3, product type: factory replacement, type: automatic transmission torque converter, bolt circle: 9.250, converter codes: b117, j138, p173, v162, u137, 000334, 08 2010 464, converter diameter: 10.00, converter height: 5.456, grade type: standard replacement, hub type: smooth no drive hub, lock up: yes, mounting thread size: 10mm x 1.50, mounting type: plate with 6 holes, pilot diameter: 1.258, spline count: 32,
category: auto parts > car truck parts accessories > transmission drivetrain > torque converters, sku: 7066182296291853,
Tc Remanufacturing BM58 Is Similar To:
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1 offer $401.40 USD
  • Remanufactured. Offer #1 priced at $401.40 + $0.00 shipping estimate = $401.40* total. 2012-2017 BMW X3 3.0L L6 Converter Codes:B117, J138, P173, V162, U137, 000334, 08 2010 464. Manufacturer Part Number: .FREE SHIPPING

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