BMW 26107555711 Automatic Trans Propeller Drive Shaft 645CI N62

( Manufacturer Part Number: 26107555711 ), ( Type: Driveshaft ), ( Placement On Vehicle: Rear ), ( Transmission Type: Automatic )

Review BMW 645ci N62 Automatic Trans Propeller Drive Shaft Oem fits E63 E64 2005

The **BMW 26107555711 2005 E63/E64 645Ci N62 Automatic Transmission Propeller Drive Shaft** is a meticulously engineered, high-performance drivetrain component designed exclusively for BMW s iconic **6-Series (E63/E64) 645Ci models** equipped with the legendary **N62 inline-six engine** and an **automatic transmission**. This critical drivetrain element serves as the vital link between the transmission output shaft and the rear axle, ensuring seamless power transfer while maintaining structural integrity under the demanding loads imposed by the 645Ci s potent 4.4-liter V8 (in the case of the E63/E64 645Ci) or the twin-turbocharged 3.0-liter inline-six (N62) in earlier configurations, depending on the specific variant. Crafted from premium-grade **chromoly steel**, this propeller shaft is built to withstand extreme torsional forces, high-speed oscillations, and the relentless stress of aggressive driving, making it a cornerstone of the vehicle s dynamic performance and reliability.

The **26107555711** propeller shaft features a **multi-spline universal joint (U-joint) design**, which allows for smooth angular movement while minimizing vibration and wear, a critical factor in maintaining long-term drivetrain health. The shaft is engineered with **precision-machined splines** that ensure a secure and slip-free connection to both the transmission output flange and the rear axle input, preventing power loss and ensuring optimal torque delivery. Additionally, the shaft incorporates **high-strength rubber bushings** at the joint mounts, which dampen road-induced vibrations and isolate the drivetrain from unnecessary stress, enhancing both ride comfort and longevity. The **automatic transmission-specific design** of this propeller shaft accounts for the unique torque characteristics of BMW s **ZF 5HP19 or 5HP24 automatic transmissions**, ensuring compatibility with the vehicle s electronic shift controls and smooth engagement of the torque converter.

For enthusiasts and restorers seeking to maintain or upgrade their **2005 E63/E64 645Ci**, this propeller shaft is an essential replacement part, particularly after prolonged use or in cases where the original component has sustained damage from off-road adventures, aggressive driving, or wear and tear. The **OEM-level quality** of this part guarantees that it meets BMW s exacting standards, providing the same level of durability and performance as the factory-equipped unit. Whether installed in a **restomod project**, a **performance upgrade**, or as part of a **full drivetrain refresh**, this propeller shaft ensures that the 645Ci s legendary power delivery remains uninterrupted, allowing the driver to fully experience the exhilarating blend of luxury and high-performance driving that defines the 6-Series. Its robust construction and precise engineering make it a **must-have component** for anyone committed to preserving or enhancing the integrity of their BMW s drivetrain.

### **Pros and Cons of Buying a 2005 BMW E63/E64 645Ci (N62, Automatic, Propeller Shaft Drive)**

#### **Pros**

1. **Performance and Power**

The 645Ci is one of the most powerful BMWs of its era, producing **407 horsepower** (in the standard N62B50 variant) and **420 lb-ft of torque**. The twin-turbocharged inline-six engine delivers strong acceleration and a thrilling driving experience, especially with the **propeller shaft (rear-wheel-drive) setup**, which enhances rear-wheel bias and handling.

2. **Luxury and Comfort**

BMW s E63/E64 generation is known for its high-quality interior materials, including premium leather, wood/aluminum trim, and advanced infotainment (with optional Navigation Plus). The ride is comfortable, with well-tuned suspension settings that balance sportiness and smoothness.

3. **Reliability of the N62 Engine**

While not as bulletproof as some modern engines, the **N62B50** (when properly maintained) is a robust inline-six. With **regular oil changes (BMW LL-01 or equivalent), timing belt replacements (every 60K 90K miles), and coolant system checks**, it can last well beyond 200,000 miles. The twin-turbo setup is more reliable than earlier single-turbo N54s but requires attentive maintenance.

4. **Aftermarket Support and Mod Potential**

The 645Ci benefits from a **strong aftermarket**, with tuning options (e.g., **MHD, JB4, or custom ECU tuning**) that can push power to **500 horsepower** with relative ease. Cosmetic upgrades (wheels, brakes, exhaust) are widely available, making it a great platform for enthusiasts.

5. **Classic BMW Driving Dynamics**

The **propeller shaft (RWD) setup** gives the 645Ci a more engaging, rear-wheel-driven feel compared to modern AWD or FWD BMWs. The steering is precise, the chassis is well-balanced, and the **6-speed automatic (ZF 6HP26) is smooth and responsive** for its time.

6. **Resale Value and Collectibility**

The **645Ci is a sought-after model**, especially in lower-mileage condition. As BMW s twin-turbo inline-six engines gain appreciation, well-maintained examples hold value better than some contemporaries. The **E63/E64 generation is also becoming more desirable** as older BMWs transition into classic territory.

7. **Optional Features and Exclusivity**

The 645Ci was often equipped with **premium options** such as **M Sport packages, leather-trimmed seats, bi-xenon headlights, and premium sound systems**, making it a more luxurious alternative to the base 630Ci.

---

#### **Cons**

1. **Maintenance Costs and Complexity**

- **Timing belt & water pump replacement** (every 60K 90K miles, labor-intensive).

- **Cooling system upgrades** (many N62s suffer from **overheating** due to inadequate factory cooling; aftermarket upgrades like **MHD or JB4 cooling kits** are often necessary).

- **Turbocharger and intercooler maintenance** (carbon buildup, oil leaks, and wear are common).

- **Transmission servicing** (ZF automatics need **fluid changes every 50K 60K miles** to prevent failure).

- **Suspension wear** (control arms, bushings, and shocks degrade over time, requiring replacements).

**Budget for at least $1,500 $3,000/year in maintenance** if you want to keep it running reliably.

2. **Common Reliability Issues**

- **Overheating** Many N62 engines suffer from **coolant leaks (thermostat housing, water pump seals)** and **inadequate cooling capacity**. Upgrading to a **larger radiator, electric fans, and extended cooling system** is often necessary.

- **Turbocharger Failures** Some early N62s experience **turbo wastegate leaks or bearing failures**, which can lead to **catastrophic engine damage** if ignored.

- **Transmission Problems** The **ZF 6HP26 automatic** can develop **slippage, rough shifting, or solenoid failures**, especially if fluid isn t changed regularly.

- **Electrical Gremlins** BMWs of this era are notorious for **faulty sensors, wiring issues, and infotainment glitches** (e.g., **iDrive errors, blind spot monitoring failures**).

3. **Fuel Economy and Running Costs**

- The **645Ci gets around 12 15 MPG in the city and 16 18 MPG on the highway** (worse with heavy tuning).

- **Premium fuel (91 octane) is required** to prevent detonation and turbo damage.

- **High insurance costs** (especially if modified or driven in urban areas).

4. **Depreciation and Market Saturation**

- While the 645Ci holds value better than many BMWs, it is **not a high-volume model**, meaning **parts can be harder to find** than on more common cars.

- **Market saturation** means competition for good examples is fierce; many buyers are **tuning enthusiasts or collectors**, driving up prices for well-maintained units.

5. **Driving Experience Limitations**

- The **propeller shaft setup** is great for RWD feel but can lead to **rear-wheel hop** under heavy acceleration (a common issue with N62s).

- **Braking can be soft** unless upgraded (many owners install **stainless steel brake lines, larger rotors, and performance pads**).

- **Noise, vibration, and harshness (NVH)** can be an issue, especially with **worn suspension or exhaust leaks**.

6. **Legal and Modification Restrictions**

- Some **aftermarket modifications (exhaust, suspension, ECU tuning) may violate emissions laws** in certain regions, leading to **inspection failures or legal issues**.

- **Insurance can become prohibitively expensive** if heavily modified.

---

### **Conclusion and Recommendation**

#### **Who Should Buy This Car?**

- You are a **BMW enthusiast** who appreciates **high-performance inline-six engines** and don t mind **higher maintenance costs**.

- You **plan to invest in upgrades** (cooling, suspension, transmission) to make it reliable and enjoyable.

- You **drive it regularly** and can commit to **proactive maintenance** (oil changes, cooling system checks, turbo monitoring).

- You **enjoy the driving experience** the 645Ci is one of the **best-sounding and most engaging BMWs** of its era.

- You **value exclusivity and collectibility** this is not a mass-market car, and well-kept examples appreciate over time.

- You **prioritize low maintenance and reliability** over performance (consider a **BMW 530i or 550i** from the same era, which are more straightforward).

- You **can t afford unexpected repairs** (budget **$5,000 $10,000 for major issues** like turbo or transmission work).

- You **don t enjoy tuning or mechanical work** this car **requires attention** to stay in good shape.

- You **live in a cold climate** (N62s struggle with **cold starts and coolant issues** in freezing temperatures unless properly modified).

- You **plan to keep it for 10 years without major upgrades** (the car will **develop problems** unless you invest in it).

---

### **Final Recommendation**

The **2005 BMW 645Ci (N62, automatic, propeller shaft)** is a **fantastic car for the right owner** one who **loves BMWs, understands their quirks, and is willing to put in the work** to keep it running. If you **find a well-maintained example with a clean service history, proper cooling upgrades, and no major red flags**, it can be an **incredible daily driver and track car**.

**However, if you re looking for a "set-and-forget" luxury car, this is not the right choice.** The **maintenance costs, potential reliability issues, and need for upgrades** make it more suited for **enthusiasts than casual buyers**.

1. **Get a full pre-purchase inspection (PPI)** from a **BMW specialist** focus on **engine cooling, turbo condition, transmission fluid, and suspension**.

2. **Verify service records** look for **timing belt changes, oil changes (with proper oil), and cooling system upgrades**.

- **Cooling system** (MHD or JB4 kit, larger radiator, electric fans).

- **Transmission service** (full fluid & filter change).

Details:

The universal joint moves smoothly in all directions with no irregular play or binding. This is a used original BMW part. Reference to driver/passenger side is for left hand drive cars, so RHD vehicles UK/Japan/Australia, etc. Please reverse the indicated.

ITEM: driveshaft, auto, 159k. Guaranteed good working condition. See the photo below for illustration. Still not sure this part will fit your car.

Condition: This propeller drive shaft was removed from a running, driving 2005 645Ci Convertible with 159k miles. The support bearing moves smoothly and quietly. The shaft has no serious paint damage, rust issues, dents, or bends. The rear CV joint also moves smoothly in all directions with no irregular play.

Rarely, large or difficult to package items will take a day two longer. 2005 BMW E63 E64 645Ci N62 Automatic Trans Propeller Drive Shaft OEM: STOCK #: 54199. Which side does this part fit?, Left Driver side, Right Passenger. Details can be viewed in the photos.

The front flex disk is intact and reusable.

part #: 26107555711 prices

• $945.48-$1134.91

specifications universajoin:

• for models: E63, E64
• for makes: Bmw
• for years: 2005
• mpn: 26107555711
• type: Driveshaft
• placement on vehicle: Rear
• transmission type: Automatic

payments universajoin:

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

shipping universajoin:

• service: UPS Ground
• type: Calculated
• transit: 3-6 Days
• cost: $61.07
• class: Standard
• carrier: UPS

returns universajoin:

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

seller universajoin:

• # reviews: 2005 0
• city: Norristown, Pennsylvania
• rating: 99.9%

offer universajoin:

• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0
• started: March 27, 2026

general universajoin:

• condition: Used
• Transmission Drivetrain > Driveshafts Parts > Driveshafts

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