BMW 7191870 Transmission Torque Converter M340I B58 3.0L

( Manufacturer Part Number: 7191870 ), ( Part Type: Torque Transmission Converter ), ( Country Of Origin: Germany )

Review BMW B58 3.0l Transmission Torque Converter Oem fits G20 RWD 2019–2024

The **BMW 7191870 2019 2024 G20 M340i (B58 3.0L RWD)** represents the pinnacle of BMW s engineering prowess, blending cutting-edge performance, refined luxury, and uncompromising precision into a single, breathtaking package. At its core lies the **B58 inline-six engine**, a masterclass in modern turbocharged architecture, delivering a seamless yet exhilarating power delivery of **306 horsepower and 300 lb-ft of torque** all while maintaining an elegant, naturally aspirated-like character that sets it apart from conventional turbocharged rivals. The **3.0-liter twin-scroll turbocharged engine** is paired with BMW s **8-speed Steptronic transmission**, a smooth and responsive automatic gearbox that adapts effortlessly to both spirited driving and relaxed cruising, ensuring a near-seamless transition between power bands. The **RWD (rear-wheel-drive) configuration** further enhances the M340i s dynamic character, channeling the engine s torque directly to the rear wheels for a more engaging and sporty driving experience, while the optional **xDrive all-wheel-drive system** (if equipped) provides enhanced traction without sacrificing the purist RWD feel.

Under the hood, the **B58 engine** is a marvel of efficiency and performance, featuring direct fuel injection, variable valve timing, and a high-pressure fuel system that ensures crisp throttle response and optimal power output across the rev range. The **torque converter** in this transmission is a critical component, designed to optimize power transfer between the engine and the transmission, minimizing lag and maximizing efficiency especially during acceleration and gear shifts. The **M340i s chassis** is built on BMW s **G20 platform**, a rigid and well-tuned structure that supports both the car s luxurious interior and its sporty driving dynamics. The suspension is finely tuned for a balance of comfort and agility, with adaptive damping (if equipped) that adjusts in real-time to road conditions, ensuring a plush yet responsive ride whether navigating city streets or winding backroads.

Inside, the **M340i** exudes **premium German craftsmanship**, with high-quality materials, ergonomic controls, and a **digital cockpit** that integrates seamlessly with BMW s **iDrive infotainment system**. The **Nappa leather upholstery**, ambient lighting, and meticulously stitched stitching elevate the cabin into a sanctuary of luxury, while the **sport-tuned seats** (available in various configurations, including heated and ventilated options) provide both support and comfort for long drives. The **steering wheel**, often featuring **M Sport trim**, offers a sporty grip and intuitive controls, while the **multi-function display** and **head-up display** enhance both functionality and driver engagement. The **audio system**, typically a **Harman Kardon or Bang & Olufsen setup**, delivers immersive sound quality, making every drive an auditory experience.

Performance-wise, the **M340i** is a **versatile powerhouse**, capable of accelerating from **0-60 mph in approximately 5.0 seconds** (RWD) and **4.9 seconds (xDrive)**, with a top speed electronically limited to **155 mph** though the car s true character lies in its **linear power delivery and precise handling**. The **B58 engine s turbo spool-up** is nearly imperceptible, ensuring that power feels instant rather than delayed, while the **8-speed transmission** shifts with remarkable smoothness, even under aggressive driving conditions. The **RWD setup** promotes a **neutral, engaging driving experience**, with the rear wheels doing most of the work, while the **optional xDrive** adds a touch of stability without overpowering the car s sporty nature. The **brake system**, featuring **ventilated discs and optional ceramic brakes**, provides exceptional stopping power, while the **adaptive suspension** (if equipped) ensures that the car remains planted and composed, whether cornering at high speeds or gliding over uneven pavement.

For those seeking **both luxury and performance**, the **M340i** strikes the perfect balance, offering a **refined yet spirited** driving experience that appeals to enthusiasts and discerning drivers alike. Whether cruising on a highway, navigating a twisty mountain road, or simply enjoying the quiet elegance of city driving, this BMW delivers **unmatched sophistication and exhilarating performance** in every aspect. The **B58 engine, 8-speed transmission, and RWD configuration** combine to create a **dynamic yet comfortable** driving experience, while the **premium interior and advanced technology** ensure that every journey is as enjoyable as it is efficient. The **7191870 torque converter**, in particular, plays a crucial role in maintaining the transmission s efficiency and responsiveness, ensuring that the power from the B58 engine is delivered with precision and without hesitation. In essence, the **2019 2024 BMW M340i (G20)** is not just a car it s a **masterpiece of automotive engineering**, where luxury and performance coexist in perfect harmony.

### **Pros and Cons of Buying a 2019 2024 BMW G20 M340i (B58 3.0L RWD) with a Torque Converter Transmission**

#### **Pros**

1. **Performance and Driving Dynamics**

- The **B58 3.0L inline-six engine** delivers strong performance with **300 335 hp** (depending on the year) and **369 lb-ft of torque**, providing a balanced mix of power and efficiency.

- The **RWD configuration** offers engaging rear-wheel-drive handling, making it more responsive than AWD models.

- The **8-speed ZF Steptronic transmission** (with torque converter) is smooth and efficient, with quick shifts and good gear ratios for both city and highway driving.

2. **Luxury and Comfort**

- The **G20 platform** features a refined interior with high-quality materials, premium sound insulation, and a spacious cabin.

- Advanced driver aids (adaptive cruise, lane-keeping, blind-spot monitoring) enhance safety and convenience.

- The **iDrive infotainment system** (with wireless Apple CarPlay/Android Auto in later models) is user-friendly, though some users report occasional lag.

3. **Fuel Efficiency and Practicality**

- The **B58 engine** achieves **18 22 MPG combined** (city/highway), which is competitive for a luxury sedan in its class.

- The **trunk (16.1 cu. ft.)** and **cargo space (59.5 cu. ft. with seats folded)** are adequate for daily use, though not as spacious as larger BMWs like the 5 Series.

4. **Reliability and Maintenance**

- The **B58 engine** is BMW s most refined inline-six, known for durability and fewer issues compared to older V8 models.

- The **torque converter transmission** is more reliable than dual-clutch automatics (common in lower BMWs) and requires less frequent maintenance.

- BMW s **extended warranty options** (if purchased) can provide peace of mind for long-term ownership.

5. **Resale Value and Prestige**

- The **M340i retains strong resale value** due to BMW s reputation and the model s popularity.

- Owning a BMW carries prestige, and the **G20 s sleek design** holds up well compared to competitors like the Audi A6 or Mercedes E-Class.

---

#### **Cons**

1. **Transmission and Driving Feel**

- The **torque converter automatic** lacks the **manual-shift engagement** of a dual-clutch or manual transmission, which some enthusiasts prefer.

- In **stop-and-go traffic**, the torque converter can cause slight lag compared to a traditional clutch-based automatic.

- Some owners report **unexpected shifts or hesitation** in the transmission, though this is less common in well-maintained examples.

2. **Cost of Ownership**

- **Maintenance and repairs** (especially BMW-specific parts) can be expensive, though less so than older V8 models.

- **Tires, brakes, and suspension components** wear out faster than in more utilitarian sedans.

- **Insurance costs** are higher due to BMW s premium status and theft risk.

3. **Comfort vs. Sportiness Trade-Off**

- The **G20 is more of a luxury sedan** than a track-focused performance car (unlike the M340i xDrive or M5).

- **Ride quality** is soft and plush, which may not appeal to drivers who prefer a firmer, more engaged feel.

- **Noise, wind, and road noise** are present, though better than earlier BMW generations.

4. **Infotainment and Tech Quirks**

- The **iDrive system** can be slow to respond, especially in older 2019 models.

- **Bluetooth connectivity** and **wireless charging** (in later models) are convenient but not as seamless as some competitors.

- **Parking sensors** are standard, but some users find the **360-degree camera** (optional) less intuitive than in Audi or Lexus models.

5. **Potential Issues to Watch For**

- **Oil consumption** Some B58 engines (especially in early 2019 models) have had reports of **oil leaks or burning**, though BMW has addressed this with updates.

- **Transmission fluid changes** BMW recommends **every 60,000 miles**, but some mechanics suggest **more frequent changes** to prevent wear.

- **Electrical gremlins** Like many modern BMWs, some models may have **intermittent sensor or software issues** that require dealer visits.

---

### **Ending Conclusion**

The **2019 2024 BMW G20 M340i (B58 3.0L RWD) with a torque converter transmission** is a **well-balanced luxury sedan** that excels in **performance, comfort, and driving enjoyment** while maintaining decent fuel efficiency. It is **not a track weapon** (like an M5) but offers **enough sportiness** to make RWD driving engaging without sacrificing daily practicality.

- Drivers who want a **refined, powerful, and stylish luxury sedan** with **good resale value**.

- Those who prefer **automatic transmissions** (without the complexity of a dual-clutch) and **RWD handling**.

- Buyers who prioritize **BMW s brand prestige** and **modern luxury features** over extreme performance.

- Enthusiasts who want **manual or paddle-shift control** for a more engaged driving experience.

- Those on a **tight budget**, as **maintenance and insurance costs** are higher than average.

- Drivers who frequently **haul large loads or need extreme off-road capability** (AWD models would be better).

---

### **Recommendation**

If you are **looking for a premium, comfortable, and capable luxury sedan** with **strong performance and a smooth automatic transmission**, the **M340i is an excellent choice especially if you prefer RWD over AWD**. However, **budget for maintenance** and **inspect the transmission fluid, oil levels, and service history** before purchasing.

1. **Get a pre-purchase inspection** (focus on transmission, engine, and electrical systems).

2. **Verify maintenance records** (oil changes, transmission service, timing belt if applicable).

3. **Test drive in different conditions** (highway, city, and winding roads) to assess comfort and handling.

4. **Compare financing options** BMW s interest rates can be steep, so consider leasing if long-term ownership isn t ideal.

The **M340i is a smart buy for those who want a luxury sedan with BMW s signature blend of performance and refinement**, provided you are prepared for the **higher cost of ownership**. If you can find a **well-maintained example with a clean history**, it will be a **rewarding and enjoyable vehicle** for years to come.

Details:

LOT #180 - 2020 BMW G20 M340I B58 3.0L RWD 8-SPEED AUTOMATIC TRANSMISSION 41K MILES MINERAL GRAY PAINT COLOR. HAS 41K MILES. 2019 2020 2022 2023 2024 BMW G20 M340I B58 3.0L RWD TRANSMISSION TORQUE CONVERTER OEM 7191870. FROM A 2020 M340I G20.

part #: 7191870 prices

• $209.38-$634.00

specifications torquconv:

• for models: G20, Rwd
• for makes: Bmw
• for years: 2019-2024
• mpn: 7191870
• part type: Torque Transmission Converter
• country of origin: Germany

shipping torquconv:

• service: Standard
• type: Fixed
• class: Standard
• transit: 4-8 Days
• cost: $0.00

returns torquconv:

• policy: No Returns

payments torquconv:

• wallet: Apple-pay
• credit card: Mastercard
• other

general torquconv:

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

seller torquconv:

• city: Rancho Cordova, California
• rating: 99.2%
• # reviews: 2633

offer torquconv:

• availability: In Stock
• options: Ship-to-home
• quantity: 1
• started: February 20, 2026
• best offers: True
• sold: 0

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