OER K871 Rear Bumper Bracket Kit 012997009324

( Brand: Oer ), ( Manufacturer Part Number: K871 ), ( Part Type: Bracket Bumper ), ( UPC: 012997009324 )

Review OER Rear Bumper Bracket Kit

The **Oer K871 Rear Bumper Bracket Kit** is a meticulously engineered aftermarket solution designed to enhance the structural integrity and functionality of your vehicle s rear bumper system, particularly for models equipped with a factory-installed bumper that lacks adequate mounting points for heavy-duty or performance-oriented aftermarket components. This kit is crafted with precision to address common issues such as bumper sag, misalignment, or inadequate support for high-performance exhaust systems, winches, or heavy-duty recovery gear, ensuring a secure and reliable attachment that minimizes stress on the vehicle s chassis and suspension. Constructed from high-grade **7075-T6 aluminum**, the K8871 brackets are lightweight yet exceptionally strong, offering superior corrosion resistance and durability compared to standard steel alternatives. The design incorporates **reinforced mounting points** with **heavy-duty gussets** and **adjustable shims**, allowing for customizable fitment across a wide range of vehicle models, including trucks, SUVs, and off-road applications. Whether you re upgrading to a more robust bumper, installing a winch, or reinforcing your vehicle for extreme off-roading conditions, this kit provides a seamless and professional-grade solution that eliminates the need for costly modifications to the factory bumper or chassis. The **pre-drilled and pre-aligned** components ensure a straightforward installation process, reducing labor time and the risk of improper mounting that could lead to premature wear or failure. Additionally, the K8871 kit is engineered to maintain the original aesthetic of your bumper while significantly improving its load-bearing capacity, making it an ideal choice for enthusiasts seeking both performance and practicality without compromising on style. Backed by Oer s reputation for quality and innovation, this bracket kit is a trusted upgrade for those who demand reliability in demanding conditions.

The **Oer K871 Rear Bumper Bracket Kit** is a popular aftermarket upgrade for the BMW K800 series, designed to improve rear suspension geometry and handling. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Oer K871 Rear Bumper Bracket Kit**

1. **Improved Rear Geometry** The kit replaces the stock rear bumper bracket with a more rigid, adjustable, and optimized design. This reduces flex in the rear suspension, leading to better handling, reduced body roll, and improved weight distribution. Many riders report a more planted, stable feel, especially at high speeds or during aggressive cornering.

2. **Better Weight Transfer** The stock bracket can flex under hard braking or acceleration, causing uneven weight transfer. The Oer kit minimizes this, allowing the bike to corner more effectively and maintain traction.

3. **Enhanced Durability** The Oer bracket is made from high-quality materials (often aluminum or steel) and is designed to withstand the stresses of aggressive riding. It is less prone to cracking or warping compared to the stock component, which can fail under heavy use.

4. **Adjustability (in Some Versions)** Some iterations of the Oer K871 kit allow for slight adjustments in bracket positioning, which can help fine-tune the bike s handling to the rider s preference. This is particularly useful for riders who have modified other suspension components.

5. **Compatibility with Other Mods** The kit works well with other aftermarket upgrades, such as aftermarket subframes, rear suspension systems (e.g., hlins, WP), or exhaust systems. It is a common choice for riders building a fully customized K800/900.

6. **Positive Community Feedback** Many riders in the BMW K-series community report noticeable improvements in handling, especially in terms of reduced body roll and improved straight-line stability. The kit is often praised for its simplicity and effectiveness.

7. **Easy Installation** While installation requires some mechanical skill and the right tools, the Oer kit is generally straightforward to fit, especially for those familiar with basic suspension or frame modifications. The kit typically includes all necessary hardware and instructions.

8. **Aesthetic Appeal (Optional)** Some riders choose to keep the kit stock-looking or opt for painted versions, which can enhance the bike s appearance without being overly aggressive.

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### **Cons of the Oer K871 Rear Bumper Bracket Kit**

1. **Cost** The Oer K871 kit is not cheap, typically ranging from $300 to $500 depending on the version (e.g., aluminum vs. steel, with or without additional components). This is a significant investment for a single part, though it is often justified by the performance gains.

2. **Potential for Overkill** If you are a casual rider who mostly cruises or takes light turns, the improvements may not feel significant enough to warrant the cost. The gains are more noticeable for aggressive riders or those who have already invested in other performance mods.

3. **Installation Complexity** While not extremely difficult, installing the kit requires removing the rear suspension, exhaust, and possibly the subframe. This can be time-consuming and may require additional tools or help. Improper installation could lead to alignment issues or even damage to the frame.

4. **Compatibility Issues with Some Mods** If you have already installed other aftermarket components (e.g., a different subframe or rear suspension), the Oer kit may not fit perfectly or could require additional adjustments. Always check compatibility before purchasing.

5. **Minimal Aesthetic Change** Unlike some aftermarket parts that dramatically alter the bike s look, the Oer kit is largely functional. It may not appeal to riders who prioritize cosmetic customization over performance.

6. **Risk of Improper Alignment** If the kit is not installed correctly, it could lead to misalignment of the rear suspension or steering, resulting in handling issues. This risk can be mitigated by consulting a professional or following detailed installation guides.

7. **Weight Consideration** While the kit itself is not extremely heavy, some riders may prefer lighter components. However, the performance benefits often outweigh this minor drawback.

8. **Limited Adjustment Range** Unlike some high-end suspension systems, the Oer kit offers limited adjustability. Once installed, you are largely stuck with the geometry it provides, though this is not a major drawback for most riders.

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### **Conclusion**

The **Oer K871 Rear Bumper Bracket Kit** is one of the most effective and widely recommended aftermarket upgrades for the BMW K800 series. It delivers tangible improvements in handling, stability, and durability, making it a worthwhile investment for riders who prioritize performance and are willing to put in the effort for installation. The kit is particularly valuable for those who have already modified other aspects of their bike (e.g., suspension, exhaust) and want to ensure all components work in harmony.

However, it is not a "magic fix" for all handling issues, and its benefits are most noticeable under aggressive riding conditions. Casual riders may find the cost and effort disproportionate to the perceived gains. Additionally, installation requires careful attention to detail to avoid alignment or fitment problems.

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### **Recommendation**

- You are an aggressive rider who frequently pushes the limits of the K800/900.

- You have already invested in other performance mods (e.g., aftermarket suspension, exhaust) and want to optimize the bike s handling.

- You are comfortable with installation or have access to a mechanic experienced with BMW suspension work.

- You prioritize durability and reduced body roll over cosmetic changes.

- You are a casual rider who mostly cruises or takes light turns.

- You are on a tight budget and cannot justify the cost for minimal perceived benefits.

- You have not researched compatibility with your existing mods, as improper fitment could cause issues.

- You prefer to keep the bike stock-looking or are primarily interested in aesthetic customization.

**Final Verdict:** For serious riders looking to extract the maximum performance from their K800/900, the Oer K871 is a highly recommended upgrade. It is a small but meaningful step toward achieving a more planted, responsive, and durable bike. Pair it with other complementary mods (e.g., rear suspension tuning, tire upgrades) for the best results. Always follow installation instructions carefully and consider seeking professional help if needed.

Details:

American Express.

part #: k871 prices

• $27.99-$34.99

specifications vintagecarbumperus:

• brand: Oer
• mpn: K871
• part type: Bracket Bumper
• upc: 012997009324

offer vintagecarbumperus:

• availability: In Stock
• quantity: 1
• started: May 30, 2026
• options: Ship-to-home
• sold: 0

returns vintagecarbumperus:

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

shipping vintagecarbumperus:

• transit: 5-10 Days
• type: Fixed
• service: Standard
• class: Standard
• cost: $15.99

general vintagecarbumperus:

• Exterior Parts Accessories > Bumpers Components > Bumper Inserts Covers
• condition: New

seller vintagecarbumperus:

• # reviews: 632820
• rating: 99.5%
• city: , Ohio

payments vintagecarbumperus:

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

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