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  3. BMW 51131848799

BMW 51131848799 Exterior Window Moulding Set 733I 7-SERIES

fits model: E23. make: Bmw. year: 1978–1984.

51131848799 Bmw 1978-1984 E23 733i 7-series Exterior Chrome Window Moulding Trim Set Oem

( Manufacturer Part Number: 51131848799 ), ( Part Type: Window )

Review BMW 7-series Exterior Chrome Window Moulding Trim Set Oem fits E23 1978–1984

The **BMW 51131848799 exterior window moulding set** for the **1978 1984 E23 733i 7-Series** represents a meticulously crafted replacement solution designed to restore the iconic elegance and structural integrity of your vehicle s window frames. This high-quality moulding set is engineered to fit precisely along the upper and lower edges of the rear and side windows, ensuring a seamless, factory-like appearance while providing essential protection against weather elements, road debris, and minor impacts. Crafted from durable, weather-resistant materials, these mouldings are built to withstand the test of time, maintaining their shape and finish even under prolonged exposure to UV rays, moisture, and temperature fluctuations. The clean, sharp lines of the E23 s signature design are faithfully replicated, enhancing the car s timeless sophistication and contributing to its classic aesthetic appeal. Whether you re restoring a showroom-worthy 733i or simply maintaining the pristine condition of your beloved E23, this moulding set is an essential upgrade that bridges functionality and form, ensuring your BMW retains its legendary presence on the road or at the track. Perfect for enthusiasts who demand nothing less than perfection, this set is a testament to BMW s engineering precision, offering a hassle-free installation that preserves the vehicle s original charm while reinforcing its durability.

### **Pros and Cons of Buying a BMW E23 733i Exterior Window Moulding Set (1978 1984)**

#### **Pros:**

1. **Authentic Restoration** Original or high-quality aftermarket mouldings enhance the car s classic appearance, preserving its vintage charm. This is particularly valuable for collectors and enthusiasts who prioritize authenticity.

2. **Improved Aesthetics** Well-fitted mouldings eliminate gaps, cracks, and misalignments that can detract from the car s sleek, premium look. A clean finish contributes to a more refined and polished exterior.

3. **Protection Against Elements** Properly installed mouldings help shield the glass edges and body panels from moisture, UV damage, and road debris, which can prevent long-term deterioration.

4. **Increased Resale Value** For well-maintained E23 models, especially those in showroom condition, restored exterior details can make the car more appealing to buyers, potentially increasing its resale worth.

5. **Customization Options** Some aftermarket sets offer variations in color, material (e.g., chrome vs. painted), or design, allowing owners to personalize their vehicle while staying true to the original intent.

6. **Prevents Further Damage** If the existing mouldings are cracked or peeling, replacing them early can prevent water ingress, rust, or further cosmetic degradation.

7. **Compatibility with Other Restorations** If you re undertaking a full restoration, replacing mouldings alongside other exterior work (e.g., body panels, trim) ensures consistency and a cohesive finish.

#### **Cons:**

1. **Cost** High-quality aftermarket mouldings, especially those matching the original BMW specifications, can be expensive. Prices vary widely depending on the supplier, material, and whether they are new or used/refurbished.

2. **Installation Complexity** Fitting mouldings requires precision, especially on older BMWs where panels may have warped or misaligned over time. Poor installation can lead to gaps, misalignment, or even damage to the glass or bodywork.

3. **Availability of Parts** While the E23 is a classic, finding exact OEM replacements can be challenging. Some suppliers may offer universal fits that aren t a perfect match, requiring additional trimming or adjustments.

4. **Material Quality Variations** Cheaper aftermarket mouldings may be made from lower-grade plastics or metals, which can yellow over time, warp, or fail prematurely compared to original or higher-end replacements.

5. **Time-Consuming Process** Removing old mouldings, preparing the surfaces, and installing new ones can be labor-intensive, especially for DIYers without experience in classic car restoration.

6. **Potential for Overcustomization** While some owners enjoy modifying their cars, excessive or mismatched mouldings (e.g., using modern designs on a vintage car) can detract from the E23 s historic value.

7. **Hidden Costs** Beyond the mouldings themselves, you may need to budget for adhesives, sealants, sanding/polishing supplies, or professional installation if you lack the skills or tools.

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### **Conclusion**

Buying an exterior window moulding set for your BMW E23 733i is a worthwhile investment if you prioritize aesthetics, preservation, and long-term value. The benefits such as improved appearance, protection against environmental damage, and enhanced resale appeal outweigh the drawbacks for most owners who are committed to maintaining or restoring their vehicle. However, the process requires careful consideration of budget, quality, and installation expertise.

For enthusiasts who enjoy hands-on work, this project can be a rewarding part of a larger restoration. If time or skill is limited, investing in professional installation ensures a flawless result. Ultimately, the decision should align with your goals: whether you re aiming for a showroom-worthy classic or simply want to preserve your E23 s legacy.

### **Recommendation:**

- **For Restoration Purposes:** Purchase a high-quality aftermarket set that closely matches the original OEM specifications (e.g., from reputable suppliers like **BMW Classic Parts, ECS, or specialist European restorers**). Prioritize materials that resist yellowing and warping.

- **For DIYers:** If installing yourself, take your time to ensure proper surface preparation (sanding, cleaning, and priming) to prevent adhesion issues. Consider starting with one side or window to test fitment before committing to the full set.

- **For Budget Constraints:** If cost is a concern, explore used/refurbished mouldings from trusted sellers, but inspect them thoroughly for cracks, discoloration, or damage. Balance quality with affordability to avoid future replacements.

- **For Professional Help:** If the mouldings are part of a larger restoration project, consult a BMW specialist or classic car body shop to ensure seamless integration with other exterior work.

By weighing these factors, you can make an informed decision that enhances your E23 s beauty and longevity.

Details:

The trim pieces are in fair condition. There are no major bends or damage. 1978-1984 BMW E23 733I 7-Series Exterior Chrome Window Moulding Trim Set OEM: STOCK #: 39062.

The bottom trim pieces have some road tar on the front corners that did not come off with a quick cleaning. The mounting points are all intact but the hardware is NOT included. Still not sure this part will fit your car. The plastic and rubber trim pieces also show some minor fading but no major damage.

Rarely, large or difficult to package items will take a day two longer. See the photo below for illustration. This is a used original BMW part. FITS: 7 Series E23, 1978 - To 09/84 733I Sedan E23/M30.

Which side does this part fit?, Left Driver side, Right Passenger. Reference to driver/passenger side is for left hand drive cars, so RHD vehicles UK/Japan/Australia, etc. Please reverse the indicated. ITEM: chrome exterior trim set. The chrome is cloudy and dull shows a few scratches scuffs throughout.

Guaranteed good working condition. Or if we say the part fits 05/99 it will fit 1999 model year vehicles and up to including those with a production date of 04/99. Condition: This is the chrome molding trim that goes around top of windows and pieces below bottom doors.

part #: 51131848799 prices

  • $90.00-$135.00

specifications cartrimmouldings:

  • for models: E23
  • for makes: Bmw
  • for years: 1978-1984
  • mpn: 51131848799
  • part type: Window

offer cartrimmouldings:

  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1
  • started: March 19, 2026
  • sold: 0

shipping cartrimmouldings:

  • cost: $172.87
  • type: Calculated
  • transit: 2-6 Days
  • class: Standard
  • carrier: UPS
  • service: UPS Ground

payments cartrimmouldings:

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

general cartrimmouldings:

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

returns cartrimmouldings:

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

seller cartrimmouldings:

  • rating: 99.9%
  • # reviews: 1988 5
  • city: Norristown, Pennsylvania
for models: e23, for makes: bmw, for years: 1978-1984, part type: window,
category: auto parts > car truck parts accessories > exterior parts accessories > body moldings trims, sku: 14159536874462722,
Bmw 51131848799 Is Similar To:
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5 offers $90.00–$135.00 USD
  • Used. Offer #1 priced at $119.25 + $176.78 shipping estimate = $296.03* total. This is a used original BMW part. 7 Series E23.+$176.78 shipping
  • Used. Offer #2 priced at $135.00 + $0.00 shipping estimate = $135.00* total. Mileage 71000 Miles (0 not available or unknown). Product Title: 79-84 BMW Driver Side Left Rear Window Regulator Fits.FREE SHIPPING
  • New other (see details). Offer #3 priced at $90.00 + $9.99 shipping estimate = $99.99* total. OEM BMW Left Window Guide Seal E23 735i L7 1977-87.+$9.99 shipping
  • Used. Offer #4 priced at $48.75 + $13.65 shipping estimate = $62.40* total. ITEM: rear window defrost switch 1978 - To 1979 Sedan (E23/M30).+$13.65 shipping
  • New other (see details). Offer #5 priced at $90.00 + $9.99 shipping estimate = $99.99* total. BMW Right Window Guide Seal E23 735i 1977-85.+$9.99 shipping

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