BMW 51-44-9-173-446 Rear Lamp Cover

( Manufacturer Part Number: 51-44-9-173-446 ), ( Part Type: Cover Lamp ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Year: 2011 2012 2013 2014 2015 2016 ), ( Parts Included: Only Part Reference 2 On The Diagram Is Included )

Review BMW Genuine Rear Lamp Cover fits 2011–2016

The **BMW 51 (E34) 44-9 173-446 rear lamp cover** is a meticulously crafted, high-quality replacement part designed to restore both the aesthetic and functional integrity of the iconic rear lighting assembly on this legendary BMW model. Crafted from durable, weather-resistant materials, this lamp cover is engineered to withstand the rigors of daily driving, ensuring long-lasting performance even in harsh environmental conditions. The design adheres strictly to the original specifications of the E34 5 Series, featuring precise contours and a seamless fit that blends effortlessly with the vehicle s bodywork, maintaining the car s timeless elegance. Whether installed on a classic restoration project or as part of a routine maintenance upgrade, this rear lamp cover provides a perfect match for the **518i, 520i, 525i, or 535i** variants, ensuring compatibility with the **173-446** lamp assembly while enhancing visibility and safety. Its robust construction not only protects the internal wiring and components from dust, moisture, and debris but also contributes to a cleaner, more polished appearance. Ideal for enthusiasts seeking authenticity and reliability, this part exemplifies BMW s commitment to precision engineering, delivering both form and function with uncompromising quality.

### Pros and Cons of Buying a BMW 5 Series (F10/F11/F12/F13) Rear Lamp Cover (Part Numbers: 51-44-9-173-446)

1. **Improved Aesthetics** A clean, well-maintained rear lamp cover enhances the overall appearance of the vehicle, giving it a factory-fresh look. The BMW 5 Series is known for its premium design, and a restored or upgraded rear lamp cover aligns with this image.

2. **Prevents Moisture and Debris Entry** The rear lamp cover acts as a protective barrier, shielding the brake lights, turn signals, and tail lights from dust, water, and road grime. Over time, this helps maintain the functionality and longevity of the lighting components.

3. **Prevents Rust and Corrosion** The rear lamp housing is susceptible to moisture buildup, especially in areas with harsh weather conditions. A properly sealed cover reduces the risk of rust forming inside the lamp assembly, which can compromise structural integrity over time.

4. **Enhanced Visibility** If the original cover is damaged or missing, it can obstruct the light output of the brake and turn signals. Replacing it ensures that the lights remain fully functional and visible to other drivers.

5. **Compatibility with Modifications** If you ve upgraded your rear lights (e.g., LED or HID replacements), a new or restored cover ensures a proper fit and seal, preventing light leakage or water ingress.

6. **Easier Maintenance** A well-fitted cover makes it simpler to clean or replace the rear lights without worrying about debris falling into the housing.

7. **Resale Value Preservation** A vehicle in excellent condition with all original components (or high-quality replacements) retains better resale value. A restored rear lamp cover contributes to the overall perceived condition of the car.

8. **Cost-Effective Compared to Full Lamp Replacement** Replacing just the cover is significantly cheaper than overhauling the entire rear lamp assembly, especially if the lights themselves are still functional.

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1. **Potential for Counterfeit Parts** If purchasing from an untrusted source, there s a risk of receiving a low-quality or incompatible aftermarket part. This could lead to poor fitment, poor sealing, or premature failure.

2. **Difficulty in Removal/Installation** The rear lamp cover on a BMW 5 Series is often held in place by clips, screws, or adhesive. Improper removal can damage the surrounding plastic or wiring harness. Some owners may require professional assistance, adding to labor costs.

3. **Limited Customization Options** Unlike some aftermarket modifications, the rear lamp cover is largely functional rather than stylistic. Unless you re restoring it to factory condition, there may be limited ways to customize it beyond basic cleaning or replacement.

4. **Age-Related Wear in Older Vehicles** If the vehicle is older, the surrounding plastic or adhesive seals may have degraded, making it difficult to achieve a perfect fit with a new cover. This could require additional sealing or trimming.

5. **Time-Consuming Process** For DIYers, removing the old cover, cleaning the area, and installing the new one can take several hours, especially if other components (like the brake light switch) need attention.

6. **Potential for Misalignment** If not installed correctly, the cover may not align properly with the lamp housing, leading to gaps where water or debris could enter.

7. **Cost of Professional Installation** While many can replace the cover themselves, some may opt for a dealer or specialist, which can be expensive, especially if additional work (e.g., resealing) is required.

8. **OEM vs. Aftermarket Trade-Off** Original Equipment Manufacturer (OEM) parts are more reliable but often pricier. Aftermarket options may be cheaper but could lack durability or fitment precision.

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Replacing or restoring the rear lamp cover on a BMW 5 Series (F10-F13) is a relatively minor but beneficial maintenance task. The primary advantages lie in **protection against moisture, rust prevention, and maintaining functional lighting**, all of which contribute to the vehicle s longevity and resale value. For most owners, the cost and effort involved are justified by these benefits, especially if the cover is damaged or missing.

However, the process requires **careful handling to avoid damage to surrounding components**, and sourcing **high-quality, genuine, or reputable aftermarket parts** is crucial to ensure a proper fit. If the vehicle is already in excellent condition, the upgrade may be more about **aesthetics and preventive maintenance** than urgent necessity.

For those comfortable with basic automotive work, this is a **manageable DIY project** that can be done with minimal tools. If unsure, consulting a BMW specialist ensures the job is done correctly without risking further damage.

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1. **Source the Part Carefully** Purchase from a reputable supplier (e.g., BMW Approved Parts, RockAuto, or a trusted local dealer) to avoid counterfeit or low-quality replacements. Verify compatibility with your specific model year (F10, F11, F12, or F13).

2. **Prepare Thoroughly** Before removal, take photos of the installation for reference, and have a helper available if the cover is tricky to access. Gather tools like a trim removal tool, plastic pry bar, and adhesive cleaner if needed.

3. **Inspect the Surrounding Area** Clean the lamp housing thoroughly and check for any signs of rust or degraded seals. Apply a small amount of **conformal adhesive** (like Permatex 221) to ensure a tight seal if the new cover doesn t have built-in gaskets.

4. **Consider Professional Help if Needed** If the cover is stubborn to remove or the surrounding plastic is brittle, a mechanic may be able to assist without damaging the vehicle further.

5. **Document the Process** If you re restoring the cover for resale purposes, take before-and-after photos to demonstrate the improvement to potential buyers.

6. **Pair with Other Maintenance** While replacing the cover, inspect the **brake light switch, wiring harness, and lens clarity** these are often part of the same service interval.

**Final Verdict:** **Worthwhile for most owners**, especially those who prioritize maintenance and longevity. The investment in time and money is outweighed by the **protection and aesthetic benefits**, making it a smart upgrade for the BMW 5 Series.

Details:

Or Visit . Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Genuine BMW Parts. In-stock orders ship within 24 hours.

Electrical parts are not returnable. Parts must be resalable and in the original packaging.

part #: 51449173446 prices

• $30.00-$114.99

specifications interiorlightsot:

• for makes: Bmw
• for years: 2011-2016
• mpn: 51-44-9-173-446
• part type: Cover Lamp
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• year: 2011 2012 2013 2014 2015 2016
• parts included: Only Part Reference 2 On The Diagram Is Included

payments interiorlightsot:

• credit card: Diners-club
• other
• wallet: Google-pay

returns interiorlightsot:

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

seller interiorlightsot:

• # reviews: 2497
• rating: 99.8%
• city: Irvine, California

offer interiorlightsot:

• started: February 5, 2026
• availability: In Stock
• options: Ship-to-home
• sold: 0
• quantity: 3

general interiorlightsot:

• Car Truck Parts Accessories > Lighting Lamps > Interior Light Assemblies
• condition: New

shipping interiorlightsot:

• transit: 4-9 Days
• service: Standard
• cost: $19.35
• type: Fixed
• class: Standard

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