fits model: D4, A8, A6, A7. make: Audi. year: 2014–2016.

( Manufacturer Part Number: 0BK323571P ), ( Part Type: Torque Transmission Converter ), ( Ipn: 8speed ), ( Oe/oem Part Number: 0bk323571p, 0bk323573b, 0bk323572j )
The **Audi 0BK323571P (0BK323571) Transmission Torque Converter**, designed for Audi models spanning the **2014 to 2016 generations** specifically equipped with the **0BK (D4) platform** and covering the **A6, A7, and A8** sedans and wagons represents a critical component in the seamless operation of its **0D5 (8HP) or 0D9 (8HP) automatic transmission systems**. This high-performance torque converter is engineered to deliver exceptional torque multiplication, ensuring smooth acceleration, efficient power transfer, and optimal drivetrain responsiveness under varying load conditions. Crafted with precision, it features a **stamped steel housing** reinforced with high-grade materials to withstand the intense heat and pressure generated during high-performance driving, as well as the demands of daily commuting. The internal design incorporates a **single-pump, single-turbine configuration**, paired with a **stator assembly** that maximizes fluid efficiency, reducing slippage and enhancing overall transmission longevity. This torque converter is particularly well-suited for Audi s **TFSI (Turbo Fuel Stratified Injection) and TDI (Turbocharged Direct Injection) engines**, providing the necessary torque amplification to complement the vehicle s sporty yet refined driving dynamics. Whether navigating city traffic or cruising on the highway, this component ensures a **buttery-smooth shift experience**, minimizing jerkiness and maintaining optimal engine braking efficiency. For enthusiasts and mechanics alike, this torque converter stands as a testament to Audi s commitment to blending cutting-edge automotive technology with refined engineering, making it an indispensable part of maintaining the performance and reliability of these iconic models.
### **Pros and Cons of Buying an Audi (0BK323571P, 2014 2016, D4, A8/A6/A7 with Transmission Torque Converter)**
#### **Pros**
1. **Reliability of the Engine (D4 3.0L TDI)**
- The **3.0L V6 TDI (EA888)** is a well-regarded diesel engine known for its durability, torque (382 lb-ft), and efficiency. Many units last well beyond 200,000 miles with proper maintenance.
- The **turbocharged direct-injection system** provides strong performance for its class, making it suitable for highway driving and towing (when properly maintained).
- **Common Rail fuel injection** is more reliable than older diesel systems, reducing the risk of major fuel-related failures.
2. **Transmission (8-Speed Tiptronic)**
- The **8-speed automatic transmission** is smoother and more refined than older Audi transmissions, offering better shift quality and fuel efficiency compared to older 6-speed or 7-speed models.
- Audi s **torque converter** in this system is generally robust, though some models have had issues with **slippage or delayed engagement** if not serviced properly.
3. **Luxury and Comfort**
- Audi s **A8, A6, and A7** models in this generation offer premium interiors with high-quality materials, advanced infotainment (MMI Navigation Plus), and excellent sound insulation.
- **Adaptive damping suspension** (if equipped) provides a comfortable ride, though it can be stiff in some configurations.
- **Heated/ventilated seats, panoramic sunroofs, and ambient lighting** enhance the driving experience.
4. **Fuel Efficiency (For a Diesel)**
- The **D4 TDI** achieves ** 25 30 MPG highway**, which is competitive for a luxury diesel sedan or wagon. This makes it cost-effective for long-distance driving.
- **Diesel particulate filters (DPF) and exhaust gas recirculation (EGR) systems** are standard, though they require occasional maintenance (e.g., DPF regeneration).
5. **Resale Value**
- Audi s luxury brand retains decent resale value, especially for well-maintained examples. The **A8 and A6** hold their value better than some competitors.
- The **2014 2016 models** are not as outdated as earlier generations, so they remain attractive to buyers looking for a balance of luxury and modern features.
6. **Safety Features**
- Standard **Audi Pre Sense (collision avoidance), lane assist, blind-spot monitoring, and adaptive cruise control** make these models safer than many contemporaries.
- **High-strength steel construction** and advanced airbag systems provide strong protection in crashes.
7. **Aftermarket and Support**
- Audi has a **strong dealer network**, making parts and service relatively accessible (though often expensive).
- **Aftermarket support** (e.g., for exhaust, tuning, or DPF cleaning) is available, though some modifications may void warranties.
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#### **Cons**
1. **Transmission and Torque Converter Issues**
- Some **2014 2016 Audi models with the 8-speed Tiptronic** have reported **torque converter slippage, delayed engagement, or rough shifts**, particularly under heavy load or in cold conditions.
- **Fluid changes are critical** many owners neglect this, leading to premature wear. The **torque converter may need replacement** if the fluid is old or degraded.
- **Audi s "Shift-by-Wire" system** can sometimes cause **erratic shifting** if the software or sensors fail.
2. **Diesel-Specific Maintenance Costs**
- **DPF (Diesel Particulate Filter) clogging** is a common issue if the car is driven short distances frequently. **Regeneration cycles** must be completed properly, or the DPF may need cleaning or replacement ( $1,000 $2,500).
- **EGR cooler failures** can occur, leading to **engine knocking or reduced power**. Replacement is expensive ( $1,500 $3,000).
- **AdBlue system** (selective catalytic reduction) requires **regular top-ups** (a small but recurring cost).
3. **Electrical Gremlins**
- Audi s **complex infotainment and electrical systems** are prone to **software glitches, sensor failures, or wiring issues**.
- **MMI (Multimedia Interface) navigation** can be slow or unresponsive, and **touchscreen failures** are not uncommon.
- **Window regulators, door locks, and seat controls** may develop **intermittent electrical problems** over time.
4. **High Maintenance and Repair Costs**
- Audi is **notoriously expensive to maintain**, with **dealer labor rates** often **20 30% higher** than average.
- **Oil changes, timing belt replacements (if applicable), and major services** (e.g., turbocharger, injectors) can cost **$1,000 $3,000 **.
- **Independent mechanics may not be familiar** with Audi-specific diagnostics, increasing repair times.
5. **Rust and Body Issues**
- Some **2014 2016 Audis** (especially in snowy or salted regions) have **rust concerns** in wheel wells, rocker panels, and undercarriages.
- **Paint quality** on some models can be **lackluster**, with **stone chipping and clear coat issues** common.
6. **Infotainment and Tech Limitations**
- The **MMI Navigation Plus system** is **clunky and outdated** compared to modern touchscreen interfaces.
- **Bluetooth connectivity and phone integration** can be unreliable.
- **No Apple CarPlay or Android Auto** (until later models), which may be a dealbreaker for some buyers.
7. **Potential Engine and Turbo Issues**
- While the **D4 TDI is generally reliable**, some owners report **oil consumption issues, turbocharger failures, or injector problems** if maintenance is neglected.
- **Carbon buildup in intake valves** (common in modern diesels) can reduce performance and require **expensive cleaning ( $1,000 $1,500)**.
8. **Depreciation and Market Saturation**
- Audi s **luxury market is competitive**, and these models have **depreciated significantly** since 2016.
- **Used market is flooded**, meaning **lower resale value** and **more competition** when selling.
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### **Ending Conclusion**
The **2014 2016 Audi A8/A6/A7 (D4 TDI, 8-speed transmission)** is a **solid choice for buyers who prioritize luxury, diesel efficiency, and long-term durability** **if properly maintained**. The **3.0L TDI engine is one of the most reliable in its class**, and the **8-speed transmission is smoother than older Audi automatics**. However, **potential transmission torque converter issues, high maintenance costs, and diesel-specific problems (DPF, EGR, AdBlue)** make this a **high-risk, high-reward purchase**.
**Best for:**- Buyers who **drive mostly highway miles** and can **budget for diesel maintenance**.
- Those who **value luxury, comfort, and safety** over cutting-edge tech.
- Owners who **plan to keep the car long-term** and **follow Audi s recommended service intervals**.
**Worst for:**- Buyers who **can t afford high repair costs** or prefer **gas engines**.
- Those who **drive short distances frequently** (DPF issues).
- People who **want modern infotainment** (no CarPlay/Android Auto).
- Buyers who **don t want to deal with electrical gremlins**.
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### **Recommendation**
**If you find a well-maintained example with:****Full service history** (oil changes every **5,000 7,500 miles**, DPF/EGR checks, torque converter fluid replaced).
**No transmission slippage or rough shifts** (test drive under load).
**No DPF or EGR warnings** (check for **P2450, P0420, or P0430 codes**).
**No electrical issues** (test all windows, locks, infotainment).
**No visible rust or body damage**.
**Then it can be a great buy**, especially if you **budget for potential future issues**.
**If the car lacks maintenance records, has transmission concerns, or shows signs of neglect, it may not be worth the risk.**
**Alternative Considerations:**- **Audi A6/A7 (2017 ) with S tronic (dual-clutch)** More modern transmission, but still expensive to maintain.
- **BMW 530d/730d (N57/N63)** Similar diesel reliability but with different quirks.
- **Lexus LS 500h (hybrid)** More reliable, lower maintenance, but less torque.
**Final Verdict:****Buy if you re prepared for potential diesel and transmission costs; otherwise, consider a more modern or gas-powered luxury alternative.**
Shipping cost or carrier may change, based on final destination. Item may show light scuffs, scratches or other imperfections as a result of this being used part. 14-16 Audi D4 A8 A6 A7. 0BK323571P OEM.
Transmission Torque Converter. Large items include: hood, door shell, fender, engine, transmission, trunk hatch, windshield, bumper, reinforcement clip, sub frame, roof, quarter apron, gas tank, etc. All of the parts are tested either before or after removal from vehicle. Please, do not purchase parts just to check and diagnose your vehicles problem.