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  2. sku: 16969763609663752
  3. BMW 46512331271

BMW 46512331271 Rear Seat Bracket Frame Mount

fits model: R1100s, R1100. make: Bmw. year: 1998–2001.

46512331271 Bmw 1998-2001 R1100s R1100 S Black Rear Seat Bracket Subframe Sub Frame Mount

( Manufacturer Part Number: 46512331271 ), ( Type: Subframe ), ( Placement On Vehicle: Rear ), ( Material: Metal ), ( Color: Black ), ( Universal Fitment: No ), ( Country Of Origin: Germany )

Review BMW Black Rear Seat Bracket Subframe Sub Frame Mount fits R1100S R1100 1998–2001

The **BMW R1100S Rear Seat Bracket Frame Mount (Part Number: 46512331271, Compatible with Models: 1998 2001)** is a precision-engineered component designed to restore structural integrity and functionality to the rear seat assembly of BMW s iconic R1100S motorcycle. Crafted from high-grade steel, this frame mount bracket serves as a critical load-bearing element, securely anchoring the rear seat and its associated subframe to the motorcycle s chassis while ensuring optimal alignment and weight distribution. The part is meticulously machined to match the exact specifications of BMW s original design, guaranteeing a seamless fit with the R1100S s tubular steel frame and ensuring compatibility with both the standard and optional rear seat configurations produced during this model s production run. Beyond its primary structural role, this bracket plays a vital part in maintaining the motorcycle s handling dynamics, as it helps dissipate forces generated during acceleration, braking, and cornering, thereby contributing to the R1100S s legendary balance and stability. For riders and restorers seeking to preserve the authenticity of their classic BMW while addressing wear or damage, this aftermarket replacement offers a reliable solution that adheres to OEM standards, eliminating the need for costly modifications or compromises in fitment. Whether addressing a cracked bracket, a loose seat mount, or a routine maintenance upgrade, this component is an essential addition to any R1100S owner s toolkit, ensuring both durability and performance for years of riding.

### Pros and Cons of buying a BMW R1100S Rear Seat Bracket Frame Mount (Part Number: 46512331271, Model Years: 1998 2001)

#### **Pros:**

1. **Authentic Fit and Finish** This is an original BMW part, meaning it will match the exact design and quality standards of the motorcycle s frame. It ensures a seamless integration without compromising aesthetics or structural integrity.

2. **Reliability** BMW s engineering is known for durability, and original parts are less likely to fail prematurely compared to aftermarket alternatives, especially if the part is in good condition.

3. **Compatibility** The part is specifically designed for the 1998 2001 R1100S, ensuring a perfect fit without modifications. This reduces the risk of misalignment or improper installation.

4. **Resale Value** Keeping the bike stock with original components can preserve its value, especially if you plan to sell it later. Buyers often prefer fully stock motorcycles.

5. **Warranty (if applicable)** If purchasing from a reputable dealer or with a warranty, you may have recourse if the part fails shortly after installation.

6. **Avoiding Modification Risks** Aftermarket parts can sometimes introduce compatibility issues or void warranties. An original part eliminates these concerns.

7. **Historical Accuracy** For enthusiasts who value the bike s original specification, this part ensures the motorcycle remains true to its factory configuration.

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#### **Cons:**

1. **Cost** Original BMW parts, especially for older models, can be expensive. The R1100S is a sought-after bike, and parts may reflect that demand.

2. **Availability and Lead Times** Finding this specific part may require ordering from a specialty dealer or BMW s official parts department, which could involve shipping delays.

3. **Condition of the Part** If purchasing used, there s a risk the part may have been damaged or worn out. Inspecting it thoroughly or buying from a trusted source is crucial.

4. **Potential for Counterfeit Parts** Older BMW parts are sometimes replicated poorly. Ensure the part is genuine to avoid quality issues.

5. **Installation Complexity** Depending on your mechanical skill level, replacing a frame-mounted rear seat bracket may require disassembling parts of the bike, which can be time-consuming.

6. **Age-Related Wear** If the part is from a used bike, it may already have signs of wear (e.g., rust, cracks). A new part would be preferable but more costly.

7. **Limited Aftermarket Support** Unlike newer BMW models, the R1100S has fewer aftermarket alternatives, so you re limited to original parts or rare third-party options.

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### **Conclusion:**

Buying the original BMW R1100S rear seat bracket frame mount (46512331271) is the best choice if you prioritize authenticity, reliability, and long-term compatibility. It ensures the bike remains in its intended condition and avoids potential issues with aftermarket parts. However, the higher cost and potential availability challenges may make it less ideal for casual riders or those on a tight budget.

If you re restoring or maintaining the bike to factory spec, this part is worth the investment. For casual use or if you re open to modifications, you might consider aftermarket alternatives (if available) to save money, though these come with trade-offs in quality and fit.

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### **Recommendation:**

- **If you value originality and long-term reliability**, purchase the original BMW part from an authorized dealer or a trusted parts supplier. Verify its condition (especially if used) and ensure it s genuine.

- **If budget is a concern**, explore used parts from reputable sellers (e.g., eBay, specialized forums) but inspect them carefully for damage. Alternatively, check if a slightly newer or older model s part is compatible (though this may require confirmation from a mechanic).

- **If you re comfortable with modifications**, research aftermarket options (though they may be scarce for this specific part). Weigh the pros and cons of compromising on authenticity for cost savings.

- **For installation**, consider consulting a BMW specialist or experienced mechanic, especially if you re unfamiliar with frame work on this model.

Ultimately, the original part is the safest choice for preserving the bike s integrity, but weigh the cost against your priorities.

Details:

BMW R1100S, Subframe. Manufacturer: BMW. Fits Make: BMW.

Condition: Used. INV21 2100-20, 22C. Fits model's: R1100S: 1998, 1999, 2000 2001 fits model's made up to 03/ 2001. Condition: This is a used subframe.

It is a little dirty from previous use and storage there are some scuffs, scratches light surface rust as pictured.

part #: 46512331271 prices

  • $127.56-$152.68

specifications mocycfra:

  • for models: R1100s, R1100
  • for makes: Bmw
  • for years: 1998-2001
  • mpn: 46512331271
  • type: Subframe
  • placement on vehicle: Rear
  • material: Metal
  • color: Black
  • universal fitment: No
  • country of origin: Germany

offer mocycfra:

  • started: February 18, 2026
  • quantity: 1
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home

general mocycfra:

  • Motorcycle Scooter Parts Accessories > Body Frame > Frames Parts
  • condition: Used

returns mocycfra:

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

payments mocycfra:

  • other
  • credit card: Diners-club
  • wallet: Paypal

seller mocycfra:

  • rating: 99.7%
  • # reviews: 45898
  • city: Berryville, Virginia

shipping mocycfra:

  • transit: 2-6 Days
  • service: Standard
  • type: Fixed
  • class: Standard
  • cost: $29.99
for models: r1100s, r1100, for makes: bmw, for years: 1998-2001, type: subframe, placement on vehicle: rear, universal fitment: no, country of origin: germany,
category: motorcycle parts > motorcycle scooter parts accessories > body frame > frames parts, color: black, material: metal, sku: 16969763609663752,
Bmw 46512331271 Is Similar To:
mocycfra logo
5 offers $127.56–$152.68 USD
  • Used. Offer #1 priced at $127.56 + $77.94 shipping estimate = $205.50* total. All parts carry a full 3 month warranty. BMW Pt Nr .+$77.94 shipping
  • Used. Offer #2 priced at $152.68 + $58.09 shipping estimate = $210.77* total. BMW R1100S ABS 1999 (1996 - 2005) REAR BUCKLE FRAME.+$58.09 shipping
  • Gebraucht. Offer #3 priced at $150.36 + $40.80 shipping estimate = $191.16* total. +$40.80 shipping
  • Used. Offer #4 priced at $94.04 + $108.45 shipping estimate = $202.49* total. +$108.45 shipping
  • Used. Offer #5 priced at $100.00 + $157.00 shipping estimate = $257.00* total. OEM Part Number confirms compatibility with the listed models.+$157.00 shipping

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