BMW 11117503562 Sunroof Cassette Tracks Rails LM06

( Manufacturer Part Number: 11117503562 ), ( Type: Sun Roof )

Review BMW Oem Sedan Sunroof Cassette Tracks Rails fits E46 323I 328I 1999–2000

The **BMW E46 Sunroof Cassette Tracks & Rails (Part Number: 11117503562)** are a critical aftermarket component designed to restore or enhance the functionality of the panoramic sunroof system in your 1999 2000 BMW 323i or 328i (LMO6 chassis). These tracks and rails form the backbone of the sunroof mechanism, ensuring smooth, silent operation while maintaining proper sealing and alignment. Crafted from high-quality, durable materials, these components are engineered to match the original factory specifications, providing a seamless fit that eliminates rattles, squeaks, or misalignment issues that often plague aging sunroof systems. The cassette tracks feature precision-machined grooves that guide the sunroof panel effortlessly along the rails, reducing friction and preventing premature wear on the glass or frame. Whether you're addressing a worn-out original system, upgrading for better performance, or replacing damaged parts after an accident, these rails and tracks deliver a reliable, long-lasting solution. Their compatibility with the E46 s LM06 variant ensures that your sunroof operates with the same precision and quietness as when it was new, making them an essential upgrade for drivers who prioritize both aesthetics and functionality. Proper installation is key, as these parts require careful alignment to maintain the sunroof s watertight seal and smooth movement ideal for those seeking a hassle-free restoration or a performance-oriented enhancement.

### **Pros and Cons of Buying a BMW E46 (1999-2000) 323i/328i with Sunroof Cassette Tracks and Rails (VIN: 11117503562)**

#### **Pros**

1. **Classic E46 Design and Driving Dynamics**

The E46 is widely regarded as one of BMW s most driver-focused coupes and sedans. It offers a well-balanced chassis, precise steering, and engaging handling, making it a joy to drive on both city streets and winding roads. The 328i (with the M54 engine) is particularly praised for its smooth yet sporty performance, while the 323i (M52 engine) remains reliable and efficient.

2. **Strong Engine Options**

- The **M52B25 (323i)** is a robust inline-6 engine known for its durability, especially with proper maintenance. It produces around 170 horsepower and pairs well with the 5-speed manual or 4-speed automatic.

- The **M54B32 (328i)** is a more refined and powerful version, offering 231 horsepower (in the U.S.) and a sportier feel. It s also more efficient than later M54 variants due to its lower compression ratio and single-stage turbo (in some markets).

3. **Sunroof Convenience**

A functional sunroof adds comfort and aesthetic appeal, especially in warmer months. If the tracks and rails are in good condition, this feature remains fully operational, enhancing the car s luxury feel.

4. **Aftermarket and Modification Potential**

The E46 has a thriving aftermarket scene, with parts readily available for upgrades such as suspension tuning, exhaust systems, engine modifications, and interior enhancements. This makes it easy to customize the car to your preferences.

5. **Reliability with Proper Care**

Both the M52 and M54 engines are known for longevity when maintained correctly. Common issues like oil leaks (valve cover, oil filter housing gasket) and timing chain stretch can be mitigated with regular servicing. Many E46s with proper upkeep easily exceed 200,000 miles.

6. **Resale Value and Collectibility**

The E46 holds its value well, especially for well-maintained examples. The 328i (especially with the M54) is particularly sought after by enthusiasts, making it a solid long-term investment if you plan to sell later.

7. **Comfortable Interior and Features**

The E46 interior is spacious for its size, with a well-appointed cabin featuring leather upholstery (in higher trims), power adjustments, and a user-friendly infotainment system (though the iDrive can be clunky in older models). The sunroof adds to the premium feel.

8. **Fuel Efficiency (Compared to Modern Standards)**

- **323i (M52):** 18-22 MPG (city/highway)

- **328i (M54):** 17-20 MPG (city/highway)

This is reasonable for a car of its era, though it will consume more fuel than today s standards.

---

#### **Cons**

1. **Aging Mechanical Components**

- **Timing Chain:** The M52 and M54 engines use timing chains, which can stretch or wear over time, leading to rattling noises or potential failure if not serviced. Replacement is labor-intensive and costly.

- **Water Pump and Thermostat:** These are often replaced as part of the timing chain service, adding to maintenance costs.

- **Oil Leaks:** Common issues include leaks from the valve cover gasket, oil filter housing gasket, and rear main seal. These require attention to prevent oil loss and engine damage.

- **Suspension Wear:** Bushings, shocks, and struts degrade over time, affecting ride quality and handling. Replacement is often necessary after 100,000 miles.

2. **Electrical and Infotainment Quirks**

- The **iDrive system** (in later models) can be slow and unresponsive, especially if not updated. Some models may lack Bluetooth or other modern features.

- Electrical gremlins, such as faulty window regulators, seat controls, or dashboard lights, are not uncommon and can be frustrating to diagnose and repair.

3. **Maintenance Costs**

- **Transmission servicing** (especially the ZF 5HP19/21 in automatics)

- **Brake system upgrades** (pads, rotors, calipers wear out faster than in modern cars)

- **Exhaust system corrosion** (especially in rust-prone areas)

can be costly if not addressed promptly.

4. **Rust and Corrosion**

The E46 is prone to rust, particularly in the wheel wells, rocker panels, and undercarriage. A thorough inspection of the body for rust is critical before purchasing. Hidden rust can lead to structural compromise and expensive repairs.

5. **Sunroof Potential Issues**

- If the **sunroof tracks or rails are worn**, the mechanism may become noisy, sticky, or fail to operate smoothly. This could require replacement of the tracks or the entire sunroof unit.

- Water leaks are another concern if the seals around the sunroof are degraded, leading to interior dampness or mold.

6. **Depreciation Over Time**

While the E46 holds value better than many cars, it is still a 20 year-old model. If you plan to keep it long-term, depreciation is a factor, though enthusiasts often offset this with aftermarket upgrades.

7. **Modern Safety and Technology Gaps**

- The E46 lacks modern safety features like advanced airbag systems, stability control (though later models have DSC), or electronic driver aids.

- Infotainment is limited compared to today s standards, with no smartphone integration or advanced navigation systems.

8. **Insurance Costs**

Insurance for a classic or enthusiast car can be higher than for a modern sedan, especially if you carry comprehensive coverage. However, if you have a dedicated classic car policy, costs may be manageable.

---

### **Conclusion**

Buying a **1999-2000 BMW E46 323i/328i with a sunroof** is a fantastic choice if you value **driving enjoyment, classic design, and aftermarket potential**. The M54 engine in the 328i offers a particularly compelling package for those who want a balance of power and refinement, while the 323i provides a more fuel-efficient and reliable option.

However, the car requires **proactive maintenance** to address common issues like timing chain stretch, oil leaks, and rust. If the sunroof tracks and rails are in good condition, this adds to the car s comfort and appeal, but you should inspect them closely for wear or leaks.

- Enthusiasts who enjoy driving a well-tuned BMW.

- Owners who are willing to invest time and money in maintenance.

- Those who appreciate classic design and aftermarket customization.

- Buyers who prioritize driving dynamics over modern convenience.

- Those seeking a plug-and-play, low-maintenance daily driver.

- Buyers who want the latest safety or infotainment technology.

- People who cannot commit to regular mechanical inspections and repairs.

---

### **Recommendation**

- Have a **pre-purchase inspection (PPI)** performed by a BMW specialist to check for rust, engine condition, transmission health, and sunroof functionality.

- Verify that the **sunroof tracks and rails are smooth, free of rust, and operate without resistance**. Listen for unusual noises when opening/closing.

- Check for **oil leaks, timing chain noise, and suspension wear**.

- Ensure the car has a **complete service history**, especially for timing chain, oil changes, and major components like the transmission and suspension.

- Ask for records of **timing chain replacement** (if applicable) and **water pump/thermostat changes**.

- Allocate funds for **immediate fixes** (e.g., oil leaks, worn bushings) and **future maintenance** (e.g., timing chain service, brake upgrades).

- Consider setting aside **$1,500 $3,000 annually** for upkeep, depending on mileage and condition.

- Pay attention to **engine noise, steering feel, and suspension response**. A well-maintained E46 should drive smoothly with minimal vibration.

- Test the **sunroof thoroughly** to ensure it opens/closes without sticking or leaking.

- If the inspection passes and the car is priced fairly (accounting for mileage, condition, and market demand), proceed with the purchase.

- Consider buying

Details:

Larsen Motors. OEM BMW E46 Sedan Sunroof Cassette Tracks Rails 99-00 323I 328I LM06, This SUN ROOF is in good condition with minor cosmetic flaws. Works as should. Removed From: 2000 BMW 325i with 126,245 miles.

part #: 11117503562 prices

• $199.99-$314.99

specifications sunroofconverti:

• for models: E46, 323i, 328i
• for makes: Bmw
• for years: 1999-2000
• mpn: 11117503562
• type: Sun Roof

shipping sunroofconverti:

returns sunroofconverti:

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

payments sunroofconverti:

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

offer sunroofconverti:

• started: April 29, 2026
• availability: In Stock
• quantity: 1
• best offers: True
• sold: 0

seller sunroofconverti:

• rating: 98.8%
• city: Pomeroy, Pennsylvania
• # reviews: 8376

general sunroofconverti:

• Exterior Parts Accessories > Roofs, Tops Sunroofs > Sunroofs Parts
• condition: Used

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