BMW US ADDITIONAL 671.BM3122 Alpina Gran Intercooler Coolant 4.4L Reservoir

( Brand: Bmw Us Additional ), ( Conditions Options: Intercooler ), ( Genuine Oem: Yes ), ( Ipn: 671.bm3122 ), ( Partout Id: A-123848533 )

Review BMW US ADDITIONAL Alpina Gran Coupe 4.4l Intercooler Coolant Reservoir Overflow fits B8 2022

The **BMW Alpina B8 Gran 4.4L V8 (BMW 671.bm3122) Intercooler Coolant Reservoir** is a meticulously engineered component designed to optimize the performance and longevity of one of the most powerful and refined luxury grand tourers ever produced. Crafted for the **Alpina B8 Gran**, this high-performance variant of the BMW 6 Series Gran Coupe, the intercooler coolant reservoir plays a critical role in managing the extreme thermal loads imposed by the **4.4L TwinPower Turbo V8 engine**, which produces a staggering **503 horsepower and 553 lb-ft of torque** enough to propel the vehicle from 0-60 mph in under 4.2 seconds. The reservoir is a precision-machined aluminum unit, featuring a robust, ribbed design that enhances structural integrity while minimizing weight, ensuring it can withstand the relentless pressure and temperature fluctuations inherent in forced induction applications. Its integrated cooling system helps regulate the charge air temperature entering the intercooler, preventing overheating and maximizing efficiency, which is particularly vital in high-performance driving scenarios where sustained throttle application is common. The reservoir s sleek, aerodynamic shape not only contributes to the vehicle s already striking appearance but also integrates seamlessly with the underhood architecture, maintaining the Alpina B8 Gran s signature blend of sporty aggression and understated elegance. Built to Alpina s exacting standards, this component reflects the brand s commitment to pushing boundaries in both performance and craftsmanship, ensuring that every detail from the precision-milled cooling fins to the high-quality seals contributes to a driving experience that is as exhilarating as it is refined. Whether navigating twisty roads or cruising at high speeds, this intercooler coolant reservoir ensures that the engine operates at peak efficiency, delivering the uncompromising power and responsiveness that define the Alpina ethos.

### **Pros and Cons of Buying a BMW 6 Series (BM3122 Alpina B8 Gran 4.4L with Intercooler Coolant Reservoir)**

#### **Pros**

1. **Performance and Power**

The Alpina B8 Gran 4.4L is one of the most powerful BMW 6 Series models, producing around **503 520 hp** (depending on tuning) and **553 lb-ft of torque**. The twin-turbocharged inline-six engine delivers strong acceleration and high-speed stability, making it one of the fastest naturally aspirated BMWs in its class.

2. **Luxury and Comfort**

The 6 Series is renowned for its opulent interior, featuring high-quality materials (leather, aluminum, wood trim), premium sound systems, and advanced climate control. The B8 Gran model often includes **Alpina-specific upgrades**, such as a **rear-wheel steering system**, adaptive dampers, and a more refined suspension setup, enhancing both comfort and handling.

3. **Exclusivity and Prestige**

The Alpina B8 Gran is a limited-edition model, adding to its exclusivity. BMW s Alpina brand is highly respected in the luxury automotive market, appealing to buyers who value both performance and prestige.

4. **Advanced Technology and Safety**

The B8 Gran comes equipped with the latest BMW **iDrive infotainment system**, semi-autonomous driving aids (like **Highway Assistant** and **Parking Assistant**), and a **surround-view camera system**. Safety features such as **adaptive cruise control, lane-keeping assist, and blind-spot monitoring** are standard or available as options.

5. **Driving Dynamics**

The **rear-wheel steering** and **adaptive suspension** improve maneuverability in tight corners while maintaining stability at high speeds. The **8-speed ZF Steptronic transmission** ensures smooth gear shifts, contributing to a refined driving experience.

6. **Resale Value**

BMW 6 Series models, especially Alpina variants, tend to hold their value well due to their desirability. However, this depends on maintenance history and market demand.

7. **Customization Potential**

The B8 Gran s **intercooler coolant reservoir** and other performance-oriented features suggest it may have been tuned or modified, allowing for further customization if desired.

---

#### **Cons**

1. **High Cost of Purchase and Ownership**

The **BMW 6 Series Alpina B8 Gran 4.4L** is an expensive car, with prices often exceeding **$150,000 $200,000 ** depending on modifications and options. Maintenance, insurance, and fuel costs are also significantly higher than average.

2. **Complexity and Maintenance Expenses**

BMW s luxury vehicles require **specialized mechanics**, and repairs can be costly. The **twin-turbocharged engine**, **high-performance suspension**, and **Alpina-specific components** may require frequent servicing, increasing long-term expenses.

3. **Fuel Consumption**

While the 4.4L twin-turbo engine is powerful, it consumes **more fuel than smaller or hybrid alternatives**. Expect **around 12 15 MPG in the city and 18 22 MPG on the highway**, which is higher than most luxury sedans but still inefficient compared to hybrids or smaller engines.

4. **Depreciation Risk**

While BMWs retain value better than many luxury brands, high-performance and limited-edition models (like the Alpina B8 Gran) can depreciate faster than standard luxury sedans. If you plan to sell after a few years, the resale value may not fully offset the initial investment.

5. **Potential Reliability Concerns**

The **N63 twin-turbo inline-six engine** (used in the B8 Gran) has a reputation for **carbon buildup issues**, **oil consumption problems**, and **turbocharger failures** if not properly maintained. Some owners report **expensive engine rebuilds** after 80,000 100,000 miles.

6. **Limited Practicality**

The **long wheelbase and heavy weight** (around **4,200 4,500 lbs**) make the 6 Series less maneuverable in tight urban spaces. The **rear-wheel steering** can also feel disorienting in stop-and-go traffic.

7. **Noise and Vibration**

Some owners report **excessive wind noise at high speeds** and **engine vibrations** due to the twin-turbo setup. The **intercooler system** may also contribute to additional noise under certain conditions.

8. **Market Availability and Competition**

The **B8 Gran is a limited-production model**, meaning finding a well-maintained example can be difficult. Competitors like the **Mercedes-AMG E63 S, Audi S8, or Porsche Panamera Turbo** offer similar performance at comparable prices, increasing competition.

---

### **Conclusion**

The **BMW 6 Series Alpina B8 Gran 4.4L** is an **exceptional luxury grand tourer** that combines **blistering performance, opulent comfort, and cutting-edge technology**. It is ideal for buyers who prioritize **driving excitement, exclusivity, and premium refinement** and have the budget to support its high maintenance costs.

However, the **high purchase price, potential reliability issues, fuel inefficiency, and depreciation risks** make it a **less practical choice** for those who prioritize **cost-effectiveness, fuel savings, or long-term affordability**. If you are **financially prepared for the expenses** and **value performance over practicality**, this car is a **fantastic investment**. Otherwise, alternatives like the **BMW 650i, Mercedes-AMG E63, or Audi S8** may offer a better balance of luxury and value.

### **Recommendation**

- **Buy if:** You have a **strong budget**, prioritize **performance and luxury**, and are willing to **invest in maintenance**. Consider this car if you plan to **keep it long-term** and enjoy **high-end driving dynamics**.

- **Avoid if:** You are **cost-conscious**, prefer **fuel efficiency**, or need a **more practical daily driver**. In such cases, a **hybrid luxury sedan (e.g., BMW 640i xDrive, Mercedes E63 AMG Hybrid)** or a **less expensive but still powerful BMW (e.g., M5 Competition)** may be better alternatives.

- **Get a pre-purchase inspection** from a **BMW specialist** to check for **engine, suspension, and turbocharger issues**.

- **Verify maintenance records** to ensure the **intercooler system and cooling components** have been properly serviced.

- **Consider financing options** carefully, as the **high residual value** may not offset the **upfront and ongoing costs**.

Ultimately, this car is a **dream machine for enthusiasts**, but it demands **financial responsibility and a passion for luxury performance**.

Details:

No expedited shipping is available.

specifications ocoosys:

• for models: B8
• for makes: Bmw
• for years: 2022
• brand: Bmw Us Additional
• conditions options: Intercooler
• genuine oem: Yes
• ipn: 671.bm3122
• partout id: A-123848533

payments ocoosys:

• credit card: Discover
• wallet: Google-pay
• other

general ocoosys:

• condition: Used
• Car Truck Parts Accessories > Engine Cooling Components > Radiators

offer ocoosys:

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

returns ocoosys:

• time: 30 Days
• paid by: Buyer
• policy: Returns Accepted

shipping ocoosys:

• service: UPS Ground
• transit: 3-7 Days
• cost: $28.95
• class: Standard
• type: Calculated
• carrier: UPS

seller ocoosys:

• # reviews: 61622
• rating: 99.9%
• city: Richland, Mississippi

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