BMW 51718215913 Left Engine Bay Hood Seal Weatherstrip

( Manufacturer Part Number: 51718215913 ), ( Color: Black ), ( Material: Rubber ), ( Vintage Part: No ), ( Placement On Vehicle: Front ), ( Type: Engine Compartment Weatherstrip Seal ), ( Attachment Type: Press-in ), ( Features: Oem ), ( Finish: Matte ), ( Country Of Origin: Germany )

Review BMW Left Engin Hood Seal Weatherstrip Oem fits E46

The **BMW E46 Left Engine Bay Hood Seal Weatherstrip (Part Number: 51718215913)** is a precision-engineered rubber gasket designed to ensure a perfect, airtight, and weatherproof seal between the left side of your vehicle s hood and the engine bay cover. Crafted from high-quality, durable rubber compound, this weatherstrip is engineered to withstand the harshest environmental conditions, including exposure to UV rays, extreme temperatures, moisture, and road debris, while maintaining its elasticity and resilience over time. Its sleek, contoured design follows the exact contours of the E46 s hood edge, providing a seamless barrier that prevents dust, water, and contaminants from infiltrating the engine bay, thereby protecting critical components from corrosion and premature wear. The weatherstrip s robust construction also helps dampen road noise and vibrations, contributing to a quieter, more refined cabin experience. Whether your BMW is parked under the open sky or subjected to heavy rain, this weatherstrip acts as a reliable first line of defense, ensuring long-term protection for your engine and interior. Ideal for both original equipment replacement and customization projects, this part is a must-have for maintaining the integrity and performance of your E46 s engine bay while preserving its classic aesthetic.

**Pros and Cons of buying a BMW E46 Left Engine Bay Hood Seal/Weatherstrip (Part Number: 51718215913)**

### **Pros**

1. **Direct Fitment** This is an OEM (Original Equipment Manufacturer) or high-quality aftermarket part designed specifically for the BMW E46 (3-Series, 5-Series, and Z3) left engine bay hood seal. It ensures a proper fit without modifications, reducing the risk of installation issues.

2. **Prevents Water Leaks** A worn or damaged hood seal allows water, dirt, and debris to enter the engine bay, leading to corrosion, electrical shorts, and long-term damage. Replacing it restores a proper seal, protecting critical components.

3. **Improves Aesthetics** A fresh, intact hood seal enhances the vehicle s appearance, especially if the original was cracked, peeled, or discolored from UV exposure or age.

4. **Easy Installation** Unlike some complex BMW seals, this part is relatively straightforward to replace, often requiring only basic tools (screwdriver, pry bar, and adhesive if needed). Many owners and mechanics can install it themselves.

5. **Cost-Effective Maintenance** Replacing a failing seal is far cheaper than dealing with the consequences of water intrusion (e.g., rusted suspension components, faulty sensors, or electrical issues). A single seal replacement can save hundreds or thousands in repairs later.

6. **Availability of Genuine vs. Aftermarket Options** While the OEM part (if available) is ideal, reputable aftermarket brands (such as ACDelco, Dorman, or local BMW specialists) offer high-quality alternatives at a lower cost without sacrificing durability.

7. **Prevents Hood Rattle** A deteriorated seal can cause the hood to rattle or feel loose, which this replacement helps eliminate, improving ride quality.

8. **Long-Term Durability** High-quality seals (especially silicone or rubber compounds) are designed to withstand temperature fluctuations, UV exposure, and minor flexing, extending their lifespan beyond the original part.

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### **Cons**

1. **Potential for Counterfeit Parts** If purchasing online from untrusted sellers, there s a risk of receiving a low-quality or fake part that fails prematurely. Always buy from reputable suppliers (e.g., RockAuto, Amazon with verified sellers, or local BMW specialty shops).

2. **Adhesive or Sealant Requirements** Some seals may require adhesive (e.g., 3M 08880 or Permatex Super Sealant) for a permanent bond, adding to the cost if not already included. Improper adhesive use can lead to seal failure.

3. **Time-Consuming Installation** While not overly difficult, removing the old seal (especially if it s stuck) and ensuring the new one is properly aligned can take 30 60 minutes for a first-time DIYer. Rust or debris in the hood channel may require extra cleaning.

4. **Limited Lifespan** Even with proper installation, weatherstrips degrade over time due to UV exposure, heat, and flexing. The new seal may last 5 10 years, depending on driving conditions and maintenance.

5. **Hidden Damage** If the hood channel or surrounding areas are corroded or damaged, replacing just the seal won t fully solve the problem. A thorough inspection of the hood mechanism and paint may be needed.

6. **Cost Variability** Prices can range from **$20 $80 ** depending on whether you buy OEM, aftermarket, or a "premium" brand. Some sellers bundle adhesive or tools, while others don t, affecting total cost.

7. **Risk of Overlooking Other Issues** If the hood itself is warped, the latch is faulty, or the hood hinge is worn, replacing the seal won t address these underlying problems, leading to recurring issues.

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### **Conclusion**

Replacing the BMW E46 left engine bay hood seal (51718215913) is a **highly recommended preventive maintenance task** for owners experiencing water leaks, rust, or a deteriorating seal. The benefits protection from corrosion, improved aesthetics, and avoidance of costly repairs far outweigh the minor drawbacks, such as installation effort or part quality concerns. The key to success lies in:

- **Choosing a reputable part** (OEM or trusted aftermarket).

- **Using proper adhesive** if required.

- **Inspecting the hood mechanism** for related issues.

- **Following installation best practices** to ensure a long-lasting seal.

For most E46 owners, this is a **worthwhile investment** that pays off in the long run by preserving the vehicle s integrity and resale value.

---

### **Recommendation**

1. **Buy from a trusted source**: Opt for an **OEM part** (if available) or a **high-quality aftermarket brand** (e.g., ACDelco, Dorman, or local BMW specialists). Avoid no-name parts from unknown sellers.

2. **Prepare properly**: Gather tools (screwdriver, pry bar, adhesive if needed), clean the hood channel thoroughly, and consider taking photos for reference.

3. **Install carefully**: Remove the old seal gently to avoid damaging the hood channel. Apply adhesive sparingly if required and press the new seal firmly into place.

4. **Test and monitor**: After installation, check for gaps or leaks by spraying water on the hood. Listen for rattles and inspect periodically for wear.

5. **Consider professional help if unsure**: If the hood mechanism is complex or the seal is stubborn to remove, a mechanic may charge **$50 $150** for installation, which could be justified if you lack experience.

**Final Verdict**: **Buy and replace the seal** it s a simple, cost-effective fix that prevents far more expensive problems down the road.

Details:

Used OEM BMW left-side engin hood seal / weatherstrip removed from a E46 3 Series. This seal is marked with molded BMW number8215913, which corresponds to part number / 51-71-8-215-913. There are torn/damaged areas at the ends, along with scuffs, dirt, and age-related rubber wear. This is a used rubber part and shows visible cosmetic functional wear.

Best for someone replacing a missing, torn, or damaged seal where used OEM condition is acceptable. Compatibility: BMW E46BMW 323iBMW 325iBMW 328iBMW 330iBMW M31999 2000 2001 2002 2003 2004 2005 2006 Hood sealskin compartment gasket Bonnet weatherstrip.

part #: 51718215913 prices

• $20.00-$40.50

specifications cartrimmouldings:

• for models: E46
• for makes: Bmw
• mpn: 51718215913
• color: Black
• material: Rubber
• vintage part: No
• placement on vehicle: Front
• type: Engine Compartment Weatherstrip Seal
• attachment type: Press-in
• features: Oem
• finish: Matte
• country of origin: Germany

shipping cartrimmouldings:

• transit: 4-8 Days
• carrier: USPS, UPS, FedEx
• type: Calculated
• service: USPS Ground Advantage, UPS Ground Saver, FedEx Ground Economy
• cost: $11.95
• class: Standard, Economy

offer cartrimmouldings:

• quantity: 1
• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: May 15, 2026

seller cartrimmouldings:

• city: Chicago height, Illinois
• # reviews: 397
• rating: 100.0%

returns cartrimmouldings:

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

general cartrimmouldings:

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

payments cartrimmouldings:

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

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