1. Sunroof, Convertible & Hardtop Auto Parts For Sale
  2. sku: 15847718104941782
  3. BMW 550I

BMW Front Sunroof Moonroof Motor Wrnty 628.BM1N08 Sunroof/moonroof 1YR

fits model: 550i. make: Bmw. year: 2008.

628.bm1n08 Bmw Front Sunroof/moonroof Motor Oem 2008 550i 1yr Wrnty

( Part Type: Motor ), ( Conditions Options: Front Sunroof Motor ), ( Genuine Oem: Yes ), ( Ipn: 628.bm1n08 ), ( Warranty: 1 Year )

Review BMW Front Sunroof/moonroof Motor Oem 1yr Wrnty fits 550I 2008

The **BMW 628.BM1N08 Front Sunroof/Moonroof Motor** for the **2008 5 Series (550i)** is a high-performance, factory-specification electric actuator designed to seamlessly integrate with the vehicle s panoramic glass roof system. This precision-engineered component is integral to the smooth and reliable operation of the moonroof, ensuring effortless opening, closing, and tilting functions with minimal effort. Built to BMW s exacting standards, the motor features a robust, corrosion-resistant construction with high-quality materials, including durable seals and a reinforced housing, to withstand the demands of daily driving while maintaining optimal performance over extended periods. The unit is equipped with a **1-year warranty** from the manufacturer, providing peace of mind for owners seeking a direct OEM replacement that matches the original equipment s reliability and efficiency. Whether used in replacement scenarios or as a preventive upgrade, this motor delivers smooth, quiet operation and precise control, enhancing both the aesthetic appeal and functionality of the vehicle s roof system. Its compatibility with the **2008 550i** ensures a perfect fit, allowing for seamless integration with the existing wiring harness and mechanical linkages, while its robust design minimizes the risk of premature wear or failure, even under rigorous use. Ideal for enthusiasts and fleet operators alike, this component represents a cost-effective solution for maintaining the integrity of the moonroof mechanism without compromising on quality.

### **Pros and Cons of Buying a 2008 BMW 550i (BMW 628.BM1N08, Front Sunroof/Moonroof Motor, 1-Year Warranty)**

#### **Pros**

1. **Strong Performance and Luxury**

The 2008 BMW 550i is powered by a **6.0L V12 twin-turbo engine**, producing around **435 hp and 443 lb-ft of torque**, delivering exhilarating acceleration and a smooth, high-revving driving experience. The **6-speed ZF automatic transmission** (with Sport and M modes) enhances responsiveness. The interior is **luxurious**, featuring premium materials, a **heated/ventilated leather seat**, and advanced infotainment (with optional Navigation).

2. **Reliability of the V12 Engine (Compared to Other BMWs)**

While BMW s N62 V12 is known for its **durability when maintained properly**, it is more complex and fuel-hungry than smaller engines. However, if well-serviced, it can last **200,000 miles**. The **front sunroof motor** (BMW 628) is a common upgrade, improving functionality over the standard moonroof.

3. **Resale Value and Prestige**

The 550i remains a **highly desirable BMW**, holding its value better than many luxury sedans. Owning a V12 BMW carries prestige, and the **2008 model year** is part of the **E60 generation**, which is still sought after by enthusiasts.

4. **Comfort and Technology**

- **Adaptive suspension** (optional) improves ride quality.

- **Heated/cooled seats** and **ventilated steering wheel** enhance comfort.

- **iDrive 5.0** (with optional Navigation) offers a **touchscreen interface** (though some users find it clunky compared to modern systems).

- **Parking sensors and blind-spot monitoring** (if equipped) add safety.

5. **1-Year Warranty (Potential Benefit)**

If the warranty covers **mechanical failures** (not just wear-and-tear items), it provides **peace of mind** for the first year. This could be useful if the car has **unreported issues** or if the seller is offering it as a "fresh" purchase.

---

#### **Cons**

1. **High Maintenance Costs**

- **Oil changes every 5,000 7,000 miles** (due to turbochargers and carbon buildup).

- **Timing chain tensioner replacement** (often needed around **100,000 150,000 miles**).

- **Exhaust manifold gaskets** and **water pump** are common failure points.

- **Brake system** (especially rear discs) may need frequent attention.

- **Electrical gremlins** (iDrive glitches, sensor failures) are not uncommon.

2. **Fuel Efficiency is Poor**

The **V12 guzzles fuel** expect **12 14 MPG combined**, making it **expensive to operate** compared to modern hybrids or smaller luxury sedans.

3. **Depreciation and Insurance Costs**

- While the 550i holds value, it still **depreciates significantly** over time.

- **Insurance premiums** will be **high** due to its powerful engine and luxury status.

4. **Potential Hidden Issues**

- **Carbon buildup in intake valves** (common in turbocharged BMWs) can reduce performance if not addressed.

- **Transmission wear** (ZF 6HP21) may require **fluid changes and potential rebuilds** after **100,000 miles**.

- **Sunroof/moonroof motor (BMW 628)** is an upgrade, but **seals and sensors** can fail, leading to leaks or malfunctions.

- **Rust** (especially in snow-belt regions) can be an issue if the car wasn t properly maintained.

5. **Driving Experience Limitations**

- **Heavy weight** ( 4,500 lbs) makes it **less nimble** than smaller BMWs.

- **Noise levels** (wind, engine, road) are higher than modern insulated cars.

- **Manual transmission models** (if available) are rare and more desirable but may have **higher maintenance needs**.

6. **Parts and Labor Costs**

- **OEM BMW parts** are expensive.

- **Labor rates** at dealerships are high (though independent shops may offer better rates).

- **Aftermarket parts** (while cheaper) may not always be reliable.

---

### **Conclusion**

The **2008 BMW 550i (V12, with front sunroof motor upgrade) is a fantastic car for those who prioritize **performance, luxury, and driving enjoyment** but it comes with **significant trade-offs**, particularly in **maintenance costs, fuel efficiency, and long-term reliability risks**.

#### **Who Should Buy It?**

**Enthusiasts who love V12 power** and don t mind high running costs.

**Those who want a premium, high-performance sedan** with a **luxurious interior**.

**Buyers who plan to keep it for a short-to-medium term** (5 10 years) and can afford maintenance.

**People who enjoy classic BMW driving dynamics** (steering feel, throttle response, sound).

#### **Who Should Avoid It?**

**Budget-conscious buyers** fuel, insurance, and repairs add up quickly.

**Those who prioritize fuel efficiency** (hybrids or smaller luxury sedans are better).

**People who dislike high maintenance** or can t afford unexpected repairs.

**Long-term owners** (unless they re prepared for **potential transmission, turbo, or electrical issues**).

---

### **Recommendation**

If you **find a well-documented 550i with full service records** (especially **oil changes, timing chain, and turbo maintenance**), it can be a **fantastic purchase**. **Prioritize the following before buying:**

- **Get a pre-purchase inspection (PPI) from a BMW specialist** focus on **engine condition, transmission health, sunroof motor, and electrical systems**.

- **Verify all maintenance was done on time** (especially **oil changes, valve carbon cleaning, and timing chain service**).

- **Check for rust** (especially in the **wheel wells, subframe, and rear hatch**).

- **Test the sunroof motor thoroughly** ensure it operates smoothly without leaks or sensor issues.

- **Negotiate aggressively** this car is **notoriously expensive to maintain**, so sellers may be willing to lower the price if issues are found.

**Alternative Considerations:**

- If you love the **V12 sound and power but want lower costs**, consider a **used 2010 550i (E60 with minor updates)** or a **BMW M5 (N55 or S60)** for better reliability.

- If **maintenance is a concern**, a **well-maintained 535i (N54 engine)** offers **similar luxury with better fuel economy and lower repair costs**.

- If you **prioritize practicality**, a **Lexus LS 460 or Mercedes E55 AMG** (with V8 power) may be more reliable long-term.

**Final Verdict:**

The **2008 BMW 550i is a dream machine for the right buyer** someone who **values driving pleasure over practicality and can afford its upkeep**. However, **it is not a "set-and-forget" car**, and buyers must be **financially prepared for its demands**. If you re **passionate about BMWs and can justify the costs**, it s a **great choice**. Otherwise, consider a **more modern or lower-maintenance luxury sedan**.

Details:

Warranty HASSLE-FREE 1 YEAR WARRANTY: All parts are warrantied for a period of 12 months or year from the purchase date. Quality, Assured Parts All are Quality Tested Inspected. Shipping Damage:: Damages and evidence of tampering on the outer packaging must be noted delivery receipt by driver. Please disregard other fitment charts they may not be correct.

If something is wrong with an order, we certainly do want to help you. Image shown may be the vehicle from which part was pulled, or a generic image representing typical stock, rather than unique item being sold. Free shipping only applies to items you keep. FRONT SUNROOF/MOONROOF MOTOR OEM 2008 BMW 550I 1YR WRNTY: SUNROOF Included: Hassle-free 1 Year Warranty Our Part #: 8945035.

More Parts: 1 Year Warranty. Please compare part numbers BEFORE purchasing. Easy to find parts that don't require a mechanics knowledge. Very happy customer, excellent value and service.

specifications sunroofconverti:

  • for models: 550i
  • for makes: Bmw
  • for years: 2008
  • part type: Motor
  • conditions options: Front Sunroof Motor
  • genuine oem: Yes
  • ipn: 628.bm1n08
  • warranty: 1 Year

returns sunroofconverti:

  • paid by: Buyer
  • policy: Returns Accepted
  • time: 60 Days

payments sunroofconverti:

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

offer sunroofconverti:

  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • best offers: True
  • started: February 18, 2026

seller sunroofconverti:

  • city: Rancho Cordova, California
  • # reviews: 22962
  • rating: 97.1%

shipping sunroofconverti:

  • service: Flat Rate Freight
  • class: Freight
  • cost: $25.00
  • type: Fixed

general sunroofconverti:

  • condition: Used
  • Exterior Parts Accessories > Roofs, Tops Sunroofs > Sunroofs Parts
for models: 550i, for makes: bmw, for years: 2008, part type: motor, conditions options: front sunroof motor, genuine oem: yes, warranty: 1 year,
manufacturer: bmw, category: auto parts > exterior parts accessories > roofs, tops sunroofs > sunroofs parts, sku: 15847718104941782,
Bmw 550I Is Similar To:
sunroofconverti logo
1 offer $196.00 USD
  • Used. Offer #1 priced at $196.00 + $25.00 shipping estimate = $221.00* total. *OPEN FOR IMPORTANT FITMENT INFO*.+$25.00 shipping

Copyright © sunroofconverti.com