fits model: K1200lt. make: Bmw. year: 1999–2004.

( Manufacturer Part Number: 36312333225 ), ( Type: Rear Wheel Lug Bolts ), ( Country Of Origin: Germany ), ( Color: Silver, Black ), ( Manufacturer Warranty: Unspecified Length ), ( Placement On Vehicle: Rear ), ( Storage Location: H.1.f.5 Zd79630-x ), ( Custom1: 239907 ), ( Finish: Raw/unpainted ), ( Machine Type: Street Motorcycle )
The **BMW 36312333225 (99-04 K1200LT) Rear Wheel Lug Bolt and Rim Set** is a meticulously engineered, high-performance component designed exclusively for BMW s iconic K1200LT adventure motorcycle, spanning the model years 1999 through 2004. This premium set combines precision-crafted **lug bolts** and a **high-quality alloy rim** to deliver unmatched durability, reliability, and performance, ensuring optimal wheel balance, stability, and safety during both on-road cruising and off-road exploration. The lug bolts in this set are forged from **high-strength, heat-treated alloy steel**, featuring a **fine-threaded design** that maximizes grip and prevents loosening under extreme vibrations or heavy loads, a critical consideration for riders tackling rugged terrain or carrying additional gear. Each bolt is **chrome-plated** for added corrosion resistance, ensuring longevity even in harsh weather conditions or salt-laden environments, while the **torque-to-yield** specification guarantees consistent clamping force without overtightening, which could compromise the wheel s integrity. Complementing the lug bolts is a **lightweight, aerospace-grade aluminum rim** engineered for superior strength-to-weight ratio, reducing unsprung mass for enhanced handling and responsiveness. The rim s **deep-dish profile** and **radial spoke design** optimize airflow and reduce drag, contributing to improved efficiency and a more refined riding experience. Whether navigating winding mountain roads, traversing desert trails, or simply enjoying a leisurely ride, this set ensures a seamless connection between the wheel and axle, minimizing flex and maximizing precision. Ideal for both original equipment replacement and performance upgrades, the **36312333225** set is a testament to BMW s commitment to engineering excellence, offering riders the confidence to push their limits with confidence.
Buying a **BMW 3 Series (E46) K1200LT rear wheel lug bolt and rim set** (specifically the 1999 2004 model) involves several considerations, including compatibility, performance, cost, and long-term implications. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.
---
### **Pros of Upgrading Lug Bolts and Rims**
1. **Enhanced Performance and Handling**
- **Lighter Rims:** Aftermarket alloy wheels are often lighter than stock steel wheels, reducing unsprung weight. This can improve acceleration, braking, and cornering by allowing the suspension to respond more quickly to road imperfections.
- **Better Aerodynamics:** Some aftermarket rims feature sleeker profiles or wider diameters, which can reduce drag and improve high-speed stability, though this is more noticeable on high-performance models.
- **Improved Braking:** Lighter wheels can reduce thermal lag in brakes, leading to quicker heat dissipation and more consistent stopping power, especially in aggressive driving scenarios.
2. **Aesthetic Appeal**
- Aftermarket rims come in a vast array of designs, finishes (painted, polished, matte), and sizes (wider, lower-profile, or multi-spoke patterns). This allows for significant customization to match personal style or complement other modifications.
- A fresh set of rims can instantly upgrade the car s appearance, making it look more modern or aggressive, depending on the choice.
3. **Durability and Corrosion Resistance**
- Many aftermarket rims are made from high-quality alloys or magnesium, which are more resistant to rust and corrosion compared to stock steel wheels. This is particularly beneficial in regions with harsh winters or salted roads.
- Lug bolts from reputable brands (e.g., Quaife, EBC, or BMW-specific aftermarket parts) are often made from stronger materials (e.g., chrome-molybdenum steel or titanium) and may include features like serrated threads or washers to prevent loosening.
4. **Compatibility with Modifications**
- If you plan to lower the car (e.g., with coilovers or spacers) or widen the track (e.g., with wheel spacers), aftermarket rims can accommodate these changes more easily than stock wheels, which may not fit properly with aggressive modifications.
- Some aftermarket rims are designed to work with larger or smaller brake rotors, allowing for upgrades to performance brakes (e.g., EBC or Brembo) without clearance issues.
5. **Resale Value (If Maintained Well)**
- A well-maintained BMW with upgraded wheels can appeal to enthusiasts looking for a project car or a car with a unique aesthetic. However, this is highly dependent on the specific rims and lug bolts chosen.
6. **Easier Maintenance**
- Alloy wheels are easier to clean and maintain than steel wheels, which can rust or corrode over time. They also allow for better visibility of brake wear and other components.
7. **Sound and Vibration Reduction**
- Some aftermarket rims are designed with sound-dampening materials or balanced more precisely than stock wheels, reducing road noise and vibrations transmitted to the cabin.
---
### **Cons of Upgrading Lug Bolts and Rims**
1. **Cost**
- A quality aftermarket rim set for a BMW 3 Series (E46) can range from **$300 to $1,500 **, depending on the brand, size, and finish. Lug bolts are relatively inexpensive (typically **$20 $50 for a set**), but the rims are the primary expense.
- If you opt for premium brands (e.g., Enkei, BBS, or OZ Racing), the cost can escalate significantly. Additionally, professional balancing and mounting may add another **$50 $150 per wheel**.
2. **Potential Compatibility Issues**
- **Lug Nut Pattern:** The BMW E46 uses a **6x130mm lug pattern** (6 lugs, 130mm bolt circle). While most aftermarket rims fit this pattern, it s crucial to verify the **PCD (Pitch Circle Diameter)** and **backspacing** to ensure the rims will clear the brake calipers, suspension, and fenders. Incorrect fitment can lead to rubbing or damage.
- **Brake Clearance:** Wider or lower-profile rims may interfere with the stock brake calipers or rotors. Some aftermarket rims require **brake upgrades** (e.g., larger rotors or slotted/drilled rotors) to avoid clearance issues.
- **Suspension Modifications:** If you plan to lower the car, ensure the rims will fit without rubbing on the lower control arms or subframe.
3. **Weight Considerations**
- While lighter rims improve performance, some aftermarket options (especially those with thick alloys or complex designs) can actually be **heavier** than stock steel wheels. This negates the performance benefits. Always check the weight specifications.
- **Balancing Challenges:** Aftermarket rims may require more frequent balancing, especially if they are not factory-matched. Unbalanced wheels can cause vibrations, tire wear, and suspension stress.
4. **Potential for Damage**
- **Rim Damage:** Alloy wheels are more susceptible to dents, scratches, or cracks from potholes, curb impacts, or road debris. Steel wheels are more forgiving in this regard.
- **Lug Bolt Failure:** Cheap or improperly installed lug bolts can strip threads, loosen over time, or even break under high stress (e.g., aggressive driving or off-road use). Always use **high-quality bolts** and ensure they are torqued correctly (typically **80 100 Nm** for BMW lug bolts).
- **Brake Damage:** If rims are too wide or low, they may rub against the brake calipers, causing heat damage or warping of the rotors.
5. **Installation Complexity**
- While many rims can be installed at home with basic tools, some require **specialized equipment** (e.g., a wheel balancer, torque wrench, or brake lathe if resizing is needed). Improper installation can lead to safety risks or premature wear.
- **Brake Resizing:** If you choose rims that require larger rotors, you may need to **machine the existing rotors** or replace them entirely, adding to the cost and complexity.
6. **Maintenance and Upkeep**
- Alloy wheels require **more frequent cleaning** to prevent brake dust buildup, which can etch the finish over time. Steel wheels are easier to maintain in this regard.
- **Tire Wear:** Lighter or wider rims may cause tires to wear unevenly if not properly balanced or aligned. This can reduce tire life and increase costs.
- **Corrosion Risk:** While alloy wheels resist rust, they can develop **oxidation or pitting** over time, especially in coastal or humid climates. Regular polishing and waxing may be necessary.
7. **Potential Devaluation of Stock Components**
- If you later decide to return to stock wheels, the **brake calipers, rotors, or suspension components** may have been modified to fit the aftermarket rims. Reverting to stock wheels could require additional work to restore original fitment.
8. **Legal and Insurance Considerations**
- Some regions have **legal restrictions** on rim size, width, or offset. Check local regulations to avoid fines or insurance complications.
- **Insurance Impact:** Aftermarket wheels may increase insurance premiums, especially if they are considered "non-standard" or high-value.
---
### **Conclusion**
Upgrading the **lug bolts and rims** on a BMW 3 Series (E46) K1200LT can offer **significant aesthetic and performance benefits**, particularly if you prioritize lighter wheels, better braking, and a custom look. However, the decision is not without risks, including **cost, compatibility issues, potential damage, and maintenance requirements**.
The **lug bolts** are a relatively low-risk upgrade if you choose a reputable brand and ensure proper installation. The **rims**, however, are a more significant investment that requires careful consideration of fitment, weight, and long-term maintenance. If you are an enthusiast who enjoys tinkering and maintaining the car, aftermarket wheels can be a rewarding project. For those who prefer simplicity or plan to keep the car stock, the upgrade may not be worth the effort.
---
### **Recommendation**
1. **If You Want Performance and Aesthetics:**- **Choose rims** that are **lighter than stock** (e.g., Enkei, BBS, or OZ Racing) with a **proper offset** to avoid clearance issues. Opt for a **6x130mm PCD** and verify backspacing with your suspension setup.
- **Upgrade lug bolts** to **chrome-molybdenum or titanium** (e.g., Quaife or EBC) for durability and thread security.
- **Consider brake upgrades** if wider rims require larger rotors (e.g., EBC slotted rotors or Brembo calipers).
- **Budget for professional installation** if you lack experience with wheel balancing or brake resizing.
2. **If You Prefer Low Risk and Minimal Maintenance:**- Stick with **stock steel wheels** and **OEM lug bolts** unless you encounter specific issues (e.g., rust, loosening).
- If you must upgrade, choose **high-quality, well-review
Please verify the part number and compatible model's before purchasing. Fits 1997 2009 BMW K120 model's. Every part is one-of-a-kind.
Residential delivery with lift gate is available. Do you combine shipping?, Yes. Look for the Make Offer button on listing page. Do you accept offers?, Some listings offers.
Are these genuine OEM parts?, Yes. We started with a single motorcycle dismantled in home garage. Structurally sound, no major damage.
Part is off a Good Running 2003 BMW K120, with 3,430 Miles, Watch A Video From Sun Coast Cycle Sports. One-Of-A-Kind When Its Gone, Gone 99-04 BMW K120 Rear Wheel Lug Bolts Rim Set:: of 5 - Silver metal bolts with black conical washers. Item must be in original, uninstalled condition with no modifications. We review all reasonable offers promptly.