1. Seats Interior For Sale
  2. sku: 19817202782289771
  3. BMW 270303

BMW 270303 Rear Left Seat Extension Cushion

fits model: E53, X5. make: Bmw. year: 2000–2006.

270303 Bmw 2000-2006 E53 X5 Rear Left Side Seat Extension Cushion

( Manufacturer Part Number: 270303 ), ( Part Type: Seat Cushion ), ( Headrest Type: Detachable ), ( Items Included: Trim ), ( Material: Leather ), ( Vintage Part: No ), ( Placement On Vehicle: Rear, Left ), ( Manufacturer Warranty: 1 Month ), ( Country Of Origin: Germany )

Review BMW Rear Left Side Seat Extension Cushion fits E53 X5 2000–2006

The **BMW E53 X5 (2000 2006) Rear Left Seat Extension Cushion (Part #270303)** is a meticulously engineered aftermarket accessory designed to enhance comfort, functionality, and space optimization in the third-row seating area of the iconic BMW X5. This high-quality extension cushion is crafted to seamlessly integrate with the factory-installed rear bench seat, providing an additional padded surface that extends the seating area by several inches, thereby accommodating taller passengers or offering extra legroom for those seated in the third row. Constructed from durable, premium-grade materials, including a supportive foam core and a plush, breathable upholstery fabric, this cushion ensures long-lasting durability while maintaining a sleek, factory-like appearance that blends effortlessly with the vehicle s interior. The ergonomic design prioritizes both comfort and practicality, featuring a contoured shape that contours to the natural curves of the body, reducing pressure points and fatigue during extended drives or road trips. Ideal for families, adventurers, or anyone who frequently utilizes the X5 s third-row seating, this extension cushion transforms the rear passenger area into a more accommodating and ergonomic space without compromising the vehicle s structural integrity or aesthetic appeal. Whether navigating winding mountain roads or cruising on the highway, this aftermarket solution elevates the X5 s versatility, making it a must-have upgrade for owners seeking to maximize their vehicle s utility.

### **Pros and Cons of Buying a BMW E53 X5 (2000 2006) Rear Left Seat Extension Cushion (Part Number 270303)**

#### **Pros:**

1. **Authentic Fit and Comfort** The original BMW seat extension cushion is designed specifically for the E53 X5, ensuring a proper fit without gaps or misalignment. This enhances comfort, especially for taller passengers or those who prefer additional legroom.

2. **Durability and Quality** BMW parts are generally built to last, and the E53 s interior components, including seat extensions, are made with materials that withstand regular use. Over time, this can reduce the need for frequent replacements.

3. **Aesthetic Consistency** Using an OEM (Original Equipment Manufacturer) part maintains the vehicle s factory appearance, which is important for owners who prioritize maintaining the car s original look and value.

4. **Reliability** Since this part is designed for the E53 s specific dimensions, it reduces the risk of premature wear or damage caused by improperly fitted aftermarket alternatives.

5. **Warranty and Support** Purchasing from a reputable dealer or BMW-approved supplier may include warranties or return policies, providing peace of mind in case of defects.

6. **Long-Term Cost Savings** While the upfront cost may be higher than some aftermarket options, an OEM part can be more cost-effective in the long run due to its longevity and compatibility.

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#### **Cons:**

1. **Higher Cost** OEM parts are typically more expensive than aftermarket alternatives. The price of a genuine BMW seat extension cushion (270303) can range significantly, depending on the supplier and condition.

2. **Limited Availability** As the E53 X5 is no longer in production, finding a genuine OEM part may require sourcing from used lots, salvage yards, or specialized BMW part suppliers. This can sometimes lead to delays or higher prices due to scarcity.

3. **Potential for Counterfeit Parts** Buying from untrusted sellers increases the risk of receiving a replica or low-quality part that doesn t fit properly or lasts as long as an authentic one.

4. **Installation Complexity** While the part itself is straightforward, removing the old cushion may require some disassembly of the seat mechanism. Owners without mechanical experience may need to pay for professional installation, adding to the cost.

5. **Weight Considerations** The original cushion is likely heavier than some aftermarket foam or fabric alternatives. For drivers who prioritize fuel efficiency, this minor weight difference could be a consideration, though it s negligible in most cases.

6. **Maintenance Over Time** Like all interior components, the seat extension cushion may degrade over time due to wear, stains, or exposure to sunlight. Regular cleaning and maintenance are required to keep it in good condition.

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### **Conclusion:**

Buying a genuine BMW E53 X5 rear left seat extension cushion (270303) is a solid choice for owners who value authenticity, long-term reliability, and the original fit and finish of their vehicle. The investment in an OEM part ensures compatibility, durability, and aesthetic consistency, which are particularly important for enthusiasts or those who plan to keep their X5 in excellent condition. However, the higher cost and potential availability challenges may make it less appealing to budget-conscious buyers or those who prioritize convenience over originality.

For owners who are willing to compromise slightly on cost or appearance, aftermarket alternatives (such as high-quality foam or fabric cushions) can be a more affordable option, though they may not match the precision and longevity of an OEM part.

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### **Recommendation:**

- **If you prioritize authenticity, long-term reliability, and maintaining the car s value**, purchasing the genuine BMW seat extension cushion (270303) is the best choice. Source it from a reputable dealer, salvage yard, or BMW-approved supplier to avoid counterfeit parts.

- **If you are on a tighter budget or prefer flexibility**, consider a high-quality aftermarket cushion that matches the dimensions of the original. Ensure it is made from durable materials and has good reviews for fit and comfort.

- **If you are unsure about installation**, consult a BMW specialist or mechanic to assess whether the part is necessary or if adjustments to the existing seat can provide a better solution.

Ultimately, the decision depends on your priorities whether you value originality and longevity over cost savings or are willing to compromise for affordability. For most E53 X5 owners who care about their vehicle s integrity, the OEM part remains the ideal option.

Details:

Please refer to pictures for item condition.

part #: 270303 prices

  • $27.55-$77.40

specifications seainterio:

  • for models: E53, X5
  • for makes: Bmw
  • for years: 2000-2006
  • mpn: 270303
  • part type: Seat Cushion
  • headrest type: Detachable
  • items included: Trim
  • material: Leather
  • vintage part: No
  • placement on vehicle: Rear, Left
  • manufacturer warranty: 1 Month
  • country of origin: Germany

general seainterio:

  • Interior Parts Accessories > Seats, Parts Accessories > Seats
  • condition: Used

returns seainterio:

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

shipping seainterio:

  • class: Economy, Standard, Expedited
  • transit: 4-8 Days
  • service: Economy, Standard, USPS Priority Mail
  • carrier: USPS
  • cost: $0.00
  • type: Fixed

offer seainterio:

  • availability: In Stock
  • started: March 22, 2026
  • sold: 0
  • quantity: 1
  • options: Ship-to-home
  • best offers: True

seller seainterio:

  • city: East Setauket, New York
  • # reviews: 21488
  • rating: 100.0%

payments seainterio:

  • credit card: Visa
  • other
  • wallet: Paypal
for models: e53, x5, for makes: bmw, for years: 2000-2006, part type: seat cushion, headrest type: detachable, items included: trim, vintage part: no, placement on vehicle: rear, left, manufacturer warranty: 1 month, country of origin: germany,
category: auto parts > interior parts accessories > seats, parts accessories > seats, material: leather, sku: 19817202782289771,
Bmw 270303 Is Similar To:
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5 offers $27.55–$77.40 USD
  • Used. Offer #1 priced at $27.55 + $0.00 shipping estimate = $27.55* total. FREE SHIPPING
  • Used. Offer #2 priced at $77.40 + $61.32 shipping estimate = $138.72* total. Note on islands and special areas. Manufacturer's part number: .+$61.32 shipping
  • Used. Offer #3 priced at $50.05 + $24.99 shipping estimate = $75.04* total. - The item is a different color than what you thought. Vehicle Model: X5.+$24.99 shipping
  • Used. Offer #4 priced at $27.55 + $0.00 shipping estimate = $27.55* total. FREE SHIPPING
  • Used. Offer #5 priced at $29.99 + $0.00 shipping estimate = $29.99* total. FREE SHIPPING

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