fits model: 320i, F30. make: Bmw. year: 2012–2018.

( Manufacturer Part Number: 51-35-7-258-294 ), ( Color: Black ), ( Material: Acrylic ), ( Item Length: - ), ( Vintage Part: No ), ( Placement On Vehicle: Rear, Right ), ( Type: Belt ), ( Manufacturer Warranty: 1 Month ), ( Finish: Matte ), ( Country Of Origin: Germany )
The **BMW 51-35-7-294 12-18 320i F30 Rear Right Door Window Glass Belt Molding** is a precision-engineered interior trim component designed exclusively for the iconic **F30 320i** sedan, manufactured between the model years **2012 and 2018**. This high-quality belt molding serves as both a functional and aesthetic element, encasing the window regulator mechanism while contributing to the vehicle s sleek, premium interior design. Crafted from durable **polyurethane or high-density ABS plastic**, this molding is engineered to withstand daily wear and tear, resisting cracks, discoloration, and deformation over time. Its **matte black finish** seamlessly integrates with the F30 s interior, complementing the soft-touch materials and ergonomic controls that define BMW s signature luxury experience.
Beyond its visual appeal, this belt molding plays a critical role in the door s structural integrity, providing a secure fit for the window glass while minimizing noise and vibration during operation. The **precisely contoured shape** ensures a perfect alignment with the door panel, preventing gaps that could allow dust or moisture to accumulate, thereby preserving the door s longevity. Whether replacing a damaged original part or upgrading for a refreshed interior, this aftermarket molding maintains the **authentic F30 styling cues** while offering enhanced durability compared to standard OEM components. Ideal for enthusiasts seeking a seamless fit or mechanics performing routine maintenance, this part is a testament to BMW s attention to detail delivering both form and function in a single, meticulously crafted component.
### **Pros and Cons of Buying a BMW 5 Series (F30) Rear Right Door Window Glass Belt Molding (2012-2018, 320i, 258-294 mileage)**
#### **Pros:**1. **Original Equipment Quality** BMW uses high-grade materials for interior components, including door belt moldings, which contribute to a premium feel and durability. The belt molding in question is part of the factory trim, ensuring a consistent fit and finish.
2. **Aesthetic Consistency** Replacing with an OEM or high-quality aftermarket part ensures the door maintains its original design language, avoiding mismatched or cheap-looking replacements that can detract from the car s luxury appeal.
3. **Prevents Further Damage** If the belt molding is cracked, peeling, or damaged, neglecting it could lead to water ingress, electrical issues (if wiring is exposed), or further deterioration of the door s structure over time.
4. **Resale Value Impact** A well-maintained interior, including intact moldings, can positively influence a used BMW s resale value, as buyers often prioritize cosmetic condition in luxury vehicles.
5. **Ease of Installation** The F30 platform is relatively straightforward for DIYers with basic tools (screwdriver, trim removal tools, and possibly a heat gun for stubborn clips). Many aftermarket parts come with detailed instructions.
6. **Cost-Effective Long-Term Solution** While the upfront cost may seem high, replacing a damaged molding prevents more expensive repairs down the line (e.g., water damage to wiring harnesses or interior panels).
7. **Aftermarket Options** There are reputable aftermarket suppliers (e.g., **BMW Parts Store, ACDelco, or specialized trim suppliers**) that offer high-quality replacements at a fraction of the OEM price, often with warranties.
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#### **Cons:**1. **High Upfront Cost (OEM Parts)** Purchasing an **original BMW belt molding** (e.g., from a dealer or authorized BMW parts supplier) can be expensive, often ranging between **$100 $200 per door** depending on availability and region. Aftermarket options are cheaper but may vary in quality.
2. **Potential Counterfeit Risks** Some online sellers (especially on eBay or Alibaba) may offer "OEM" or "BMW-approved" parts that are actually knockoffs. These can look similar but may lack durability, proper clips, or paint adhesion, leading to premature failure.
3. **Labor Intensity** Removing and reinstalling the door panel requires patience, as it involves disconnecting electrical connectors, removing screws, and carefully working around the window regulator and speaker. A professional shop may charge **$150 $300 per door** for labor.
4. **Matching Paint and Finish** If the molding is painted to match the door, ensuring a perfect color match can be tricky, especially if the car has been repainted or has faded trim. Some aftermarket parts come pre-painted, while others require custom painting.
5. **Availability Issues** Older F30 models (pre-2018) may have discontinued OEM parts, making sourcing difficult. Aftermarket suppliers may not carry every trim level or color option.
6. **DIY Challenges** For those without mechanical experience, improper removal/reinstallation could damage the door panel, window regulator, or wiring harness. Rushing the job may also lead to misaligned parts or loose clips.
7. **Time-Consuming Process** The job can take **2 4 hours per door** for a skilled DIYer, depending on how stubborn the clips are. This may not be ideal for someone with a tight schedule.
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### **Conclusion:**Buying a replacement **BMW F30 rear right door window glass belt molding** is a **worthwhile investment** if the current molding is damaged, peeling, or cracked. The pros such as maintaining aesthetic integrity, preventing further damage, and preserving resale value outweigh the cons for most owners. However, the decision hinges on **budget, DIY skill level, and the urgency of the repair**.
- **If you re comfortable with DIY work**, purchasing a **high-quality aftermarket part** (e.g., from **ACDelco, BMW Parts Store, or a trusted trim supplier**) is the most cost-effective route. These parts often come with warranties and are significantly cheaper than OEM.
- **If you prefer convenience or lack mechanical experience**, hiring a **BMW specialist or body shop** ensures proper installation but will increase costs.
- **If the molding is only cosmetic (minor scratches or minor peeling)**, some owners opt for **touch-up paint or trim repair kits** instead of a full replacement.
### **Recommendation:**1. **Assess the Damage** If the molding is **cracked, delaminating, or exposing wiring**, replace it immediately. If it s just **minor wear or scratches**, consider a **trim repair kit** or **touch-up paint** first.
2. **Choose the Right Part**
- For **best fit and finish**, go with an **OEM or BMW-approved aftermarket part** (e.g., **ACDelco GM 96453666** or **Dorman 800002**).
- Verify the **part number matches your exact trim level** (e.g., **258-294** may correspond to a specific interior code).
3. **Source Wisely**
- Avoid **unknown sellers** on eBay or Amazon; stick to **reputable suppliers** like:- BMW Parts Store (https://www.bmwpartsstore.com)
- ACDelco (https://www.acdelco.com)
- Oriental Motor Parts (https://www.orientalmotorparts.com)
- eBay (verified sellers only) (https://www.ebay.com)
- Check for **warranty coverage** and **customer reviews**.
4. **DIY vs. Professional Installation**
- **DIY:** If you re patient and methodical, this is the most economical option. Watch **YouTube tutorials** (e.g., from **ChrisFix or BMW Repair Guide**) for step-by-step guidance.
- **Professional:** If you re unsure, a **BMW specialist** (e.g., at a **BMW dealership or independent shop**) will ensure a flawless fit.
5. **Prevent Future Issues**
- Apply **trim protector spray** (e.g., **303 Aerospace Protectant**) to new moldings to extend their lifespan.
- Avoid **excessive moisture exposure** (e.g., leaving windows open in rain) to prevent future delamination.
### **Final Verdict:****Buy the replacement molding** if the current one is failing, as the long-term benefits (preventing damage, maintaining value, and improving aesthetics) justify the cost. **Prioritize quality over price** to avoid recurring issues, and **DIY if comfortable** to save money. For most F30 owners, this is a **necessary and worthwhile repair** rather than an optional upgrade.
Warranty information is included in the. Pickup Details. However, due to previous use, there may be some visible signs of wear or cosmetic imperfections.