BMW 51717008585 Driver Roof Frame Molding Strip 645CI

( Manufacturer Part Number: 51717008585 ), ( Color: Black ), ( Vintage Part: No ), ( Placement On Vehicle: Front, Left ), ( Type: Roof ), ( Manufacturer Warranty: 1 Month ), ( Features: Easy Installation ), ( Finish: Painted ), ( Country Of Origin: Germany )

Review BMW 645ci Coupe Driver Side Roof Frame Molding Strip Oem fits 650I M6 E63 2004–2010

The **BMW 51717008585** is a precision-engineered driver s side roof frame molding strip designed exclusively for the **E63 645Ci and 650i models** produced between **2004 and 2010**. This high-quality aftermarket part is meticulously crafted to match the exact dimensions and styling cues of the original equipment manufacturer (OEM) components, ensuring a seamless and factory-like fitment. The molding strip is constructed from durable, weather-resistant materials, including reinforced plastic or high-grade ABS, which are resistant to UV degradation, moisture, and minor impacts critical for maintaining its sleek appearance over time. Its aerodynamic contour follows the contours of the roof frame, providing both a functional and aesthetic enhancement by concealing gaps, protecting the underlying structure from road debris, and adding a touch of luxury to the vehicle s interior.

Beyond its visual appeal, this molding strip plays a practical role in the vehicle s overall integrity. The E63 generation, known for its sporty yet refined design, benefits from this strip s precise alignment with the roof frame, reducing wind noise and improving the cabin s aerodynamic efficiency. The installation process is straightforward, requiring minimal tools and expertise, though a methodical approach ensures proper adhesion and alignment. Whether restoring a classic 645Ci to its original showroom condition or upgrading a 650i for a more polished look, this part is an essential detail for enthusiasts seeking both form and function. Its compatibility extends beyond basic fitment, as it also aligns with BMW s design philosophy, ensuring that every curve and contour contributes to the vehicle s signature elegance. For owners who appreciate the finer details, this molding strip is a subtle yet impactful upgrade that elevates the driving experience and preserves the vehicle s resale value.

### **Pros and Cons of Buying a 2004 2010 BMW 5 Series (E63) 645Ci / 650i / M6 with Driver s Side Roof Frame Molding Strip (Part # 8585)**

#### **Pros**

1. **Performance and Driving Dynamics**

- The **E63 645Ci** (V8) and **650i** (V10) are legendary for their engaging driving experience, with precise handling, responsive steering, and strong engine power (400 500 hp depending on model).

- The **M6 (E63)** is a high-performance variant with a naturally aspirated V10, delivering exhilarating acceleration and a sporty demeanor, making it one of the last true "driver s BMWs" before the turbo era.

- The **6-speed ZF automatic** (or manual in M6) is smooth and well-matched to the engines, though some drivers prefer a manual for better engagement.

2. **Luxury and Comfort**

- The **E63** is a refined grand tourer with high-quality materials, quiet cabin, and a spacious interior (especially the 650i/M6 with its longer wheelbase).

- Features like **heated/ventilated seats, power-adjustable pedals, and premium audio options** (Harman Kardon in higher trims) enhance comfort.

- The **iDrive system** (though dated by modern standards) is intuitive for its time, with good connectivity for the era.

3. **Reliability (With Proper Maintenance)**

- When **maintained regularly**, the **N62 V8 (645Ci)** and **N63 V10 (650i/M6)** are robust engines, capable of high mileage if oil changes and cooling system checks are done on schedule.

- The **M6 s N63 V10** is more demanding but can last well over 100,000 miles if serviced correctly (especially the **valvetronic system and cooling**).

- The **transmission (ZF 6HP26)** is durable, but some owners report **delayed shifts** in older units, which may require a rebuild or replacement.

4. **Aftermarket and Modding Potential**

- The **E63 platform** has a **thriving aftermarket**, with performance parts (intake, exhaust, ECU tuning) readily available to enhance power and handling.

- **Suspension upgrades** (coilovers, sway bars) and **brake improvements** (larger rotors, performance pads) are common and effective.

- **Aesthetic modifications** (body kits, wheels, interior upgrades) are widely supported, allowing for a highly customizable look.

5. **Resale Value and Collectibility**

- The **M6 (especially the 2006 2010 models)** is gaining **collector status**, with prices rising for well-maintained examples.

- The **650i and 645Ci** also hold value better than many contemporaries due to BMW s reputation and the E63 s cult following.

- A **restored or low-mileage E63** can be a **sound investment**, appreciating over time.

6. **Driver s Side Roof Frame Molding Strip (Part # 8585) Practicality**

- This part is a **cosmetic but functional** component that helps **prevent water ingress** and **protects the roof frame** from corrosion.

- Replacing it (if damaged) is a **relatively simple DIY job** and prevents long-term structural issues.

- A **new or restored strip** improves the car s appearance and resale value.

---

#### **Cons**

1. **Maintenance Costs and Complexity**

- The **N62 V8 and N63 V10** require **premium oil (5W-40 or better) and frequent cooling system checks** to prevent overheating or valvetronic failures.

- **Timing belt replacements** (every 60,000 100,000 miles) are critical skipping them can lead to **catastrophic engine damage**.

- **Transmission fluid changes** (every 60,000 miles) are often neglected, leading to **rough shifting or failure**.

- **Electrical issues** (iDrive glitches, sensor failures) are common due to age, requiring **professional diagnostics**.

2. **Common Reliability Issues**

- **Valvetronic motor failures** (can cause rough idle or no-start conditions).

- **Cooling system leaks** (water pump, thermostat housing, radiator hoses).

- **Oil consumption** (some V10s burn oil, requiring frequent top-ups).

- **Oil leaks** (valve cover gasket, oil filter housing gasket).

- **Exhaust manifold cracks** (common on early models).

- **Turbocharger issues** (if equipped with a turbocharged variant, though the **N62 is NA in most 645Ci models**).

- **Delayed shifts, slipping, or failure** in the **ZF 6HP26** (common in high-mileage examples).

- **Solenoid failures** can lead to **hard shifts or no engagement**.

3. **Aging Technology and Safety**

- **Electronics are outdated** iDrive can be **glitchy**, and **Bluetooth/phone integration is limited**.

- **Safety features are minimal by modern standards** no **standard stability control (DSC) in base models** (though later E63s improved this).

- **Rear visibility is poor** due to the **large rear window and lack of modern blind-spot monitoring**.

- **Airbag deployment issues** have been reported in some models (recall checks are essential).

4. **Fuel Economy and Running Costs**

- The **V8 (645Ci) gets 16 18 MPG**, while the **V10 (650i/M6) gets 14 16 MPG** **not great for daily driving**.

- **High-performance variants (M6) consume even more fuel**, making them **expensive to run**.

- **Insurance costs** are **higher than average** due to performance and value.

5. **Driver s Side Roof Frame Molding Strip (Part # 8585) Potential Issues**

- **Worn or cracked strips** can **allow water to enter the roof frame**, leading to **rust and structural weakness**.

- **Replacement difficulty** some owners report **tight fitment** or **adhesive issues** if not done properly.

- **Cost of parts** while affordable ( $50 $100), **labor can add up** if professional installation is needed.

- **Not a critical failure point** (unlike an engine or transmission), but **neglecting it can lead to long-term corrosion**.

6. **Market Availability and Condition Variability**

- **Stock of well-maintained E63s is limited**, especially **low-mileage M6s or 650is**.

- **Many examples have been modified aggressively**, leading to **unpredictable performance or reliability**.

- **Salvage or poorly maintained examples** are common, requiring **extensive due diligence** before purchase.

---

### **Ending Conclusion**

The **2004 2010 BMW 5 Series (E63) 645Ci, 650i, or M6** is a **fantastic choice for enthusiasts** who prioritize **driving enjoyment, luxury, and modding potential** over modern convenience. It offers **exceptional performance, a cult-like following, and strong resale value**, particularly for the **M6**. However, it comes with **significant maintenance demands, potential reliability quirks, and higher running costs** that must be carefully managed.

The **driver s side roof frame molding strip (part # 8585)** is a **practical but non-critical upgrade** replacing it ensures **long-term structural integrity** and prevents **water damage**, but it is not a dealbreaker. A **well-serviced E63** can be a **lifetime car**, while a **neglected one** can become a **money pit**.

### **Recommendation**

You are an **enthusiast who values driving dynamics** over daily practicality.

You are **prepared for regular maintenance** (oil changes, cooling system checks, transmission service).

You plan to **invest in the car** (mods, restorations, or long-term ownership).

You find a **low-mileage, well-documented example** (preferably with **service records**).

You **replace the roof frame molding strip** (or confirm it s intact) to prevent future corrosion.

You need a **low-cost, low-maintenance daily driver**.

You **cannot afford unexpected repairs** (

Details:

Mileage: 82,407. Side: Driver Side. Vehicle Stock #: VH5. Model: BMW M6.

Part Stock #: VH5-1261. Type: Used OEM.

part #: 51717008585 prices

• $161.11-$173.62

specifications cartrimmouldings:

• for models: 650i, M6, E63
• for makes: Bmw
• for years: 2004-2010
• mpn: 51717008585
• color: Black
• vintage part: No
• placement on vehicle: Front, Left
• type: Roof
• manufacturer warranty: 1 Month
• features: Easy Installation
• finish: Painted
• country of origin: Germany

shipping cartrimmouldings:

• transit: 4-7 Days
• cost: $0.00
• service: Standard
• class: Standard
• type: Fixed

returns cartrimmouldings:

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

payments cartrimmouldings:

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

offer cartrimmouldings:

• options: Ship-to-home
• best offers: True
• quantity: 1
• availability: In Stock
• started: March 22, 2026
• sold: 0

general cartrimmouldings:

• Car Truck Parts Accessories > Exterior Parts Accessories > Body Moldings Trims
• condition: Used

seller cartrimmouldings:

• rating: 99.8%
• # reviews: 2240
• city: Lincoln, Nebraska

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