fits model: E36, 325is. make: Bmw. year: 1992–1999.

( Manufacturer Part Number: 31351090180 ), ( Type: Sway Bar ), ( Items Included: Bushing, Bracket, Mount ), ( Features: Easy To Replace, 100 Accuracy Of Fit ), ( Placement On Vehicle: Rear, Front, Lower, Upper )
The **BMW 31351090180 E36 Front & Rear Anti-Roll Sway Bar Kit (Fits 1992-1999 3-Series, Including 325iS)** is a meticulously engineered aftermarket upgrade designed to enhance the handling dynamics, stability, and overall driving experience of your E36 BMW, particularly when paired with a sportier suspension setup or performance modifications. This kit replaces the stock sway bars with high-quality, precision-machined components that deliver superior stiffness and responsiveness, effectively reducing body roll during aggressive cornering, braking, and acceleration. The front sway bar in this kit features a thicker, more robust design than the factory unit, providing enhanced lateral support to the chassis while maintaining a balanced feel that prevents excessive harshness or overcorrection. Similarly, the rear sway bar is engineered to complement the front, ensuring that the car s weight distribution remains optimal, which is especially beneficial for models like the 325iS, which often benefit from a firmer rear end to counteract the added weight of the larger engine and sport-tuned suspension. Constructed from high-grade steel with precise tolerances, these sway bars are designed to withstand the rigors of spirited driving without compromising durability, offering a noticeable improvement in cornering grip and a more planted, composed feel on the road. Whether you re pushing the limits on a twisty backroad or simply seeking a more engaged and precise driving experience, this kit delivers measurable performance gains while maintaining a level of refinement that keeps the E36 s legendary driving dynamics intact. Installation is straightforward, requiring only basic tools, and the direct-fit design ensures a clean, professional finish without the need for modifications to the vehicle s existing mounting points. For enthusiasts looking to fine-tune their E36 s handling or prepare it for track use, this sway bar kit is an essential component that bridges the gap between stock compliance and high-performance capability.
### **Pros and Cons of Buying a BMW 31351090180 E36 (1992 1999) Front & Rear Anti-Roll Sway Bar Kit for a 325is**
#### **Pros:**1. **Improved Handling Stability** The stock sway bars on an E36 325is are relatively soft, especially on the rear. Upgrading to a more rigid kit (like the 31351090180) reduces body roll, making the car feel more planted in corners and less prone to oversteer or understeer.
2. **Better Weight Distribution** The 325is is a heavier car (especially with optional equipment), and stiffer sway bars help maintain traction by reducing excessive weight transfer during aggressive driving or high-speed cornering.
3. **Compatibility with Performance Mods** If you ve added a turbo, upgraded suspension (e.g., coilovers, poly bushings), or increased power, stiffer sway bars are often necessary to prevent excessive body lean and maintain stability.
4. **Enhanced Driving Feel** Stiffer sway bars provide more immediate feedback to the driver, making the car feel more responsive and engaged, particularly in spirited driving or track use.
5. **Potential for Future Upgrades** The 31351090180 kit is a well-regarded aftermarket option that can be paired with other performance parts (e.g., stiffer shocks, sway bar links) for further tuning.
6. **Aesthetic & Stock-Like Fitment** Unlike some aftermarket kits that require extensive modification, this part is designed to replace the stock sway bars with minimal adjustments, maintaining a clean look.
7. **Durability & Reliability** High-quality aftermarket sway bars (assuming the kit is reputable) are built to last, reducing the risk of failure compared to worn-out stock components.
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#### **Cons:**1. **Harsher Ride Comfort** Stiffer sway bars reduce body roll but can make the car feel less compliant over rough roads, potholes, or uneven surfaces. If you prioritize comfort over sportiness, this may be noticeable.
2. **Potential for Over-Tuning** If the sway bars are too stiff for your driving style (e.g., daily commuting), the car may feel overly stiff or less forgiving on winding roads. Some owners prefer a balance with adjustable or intermediate kits.
3. **Installation Complexity** While not extremely difficult, replacing sway bars requires removing wheels, disconnecting the sway bar links, and ensuring proper alignment. If you re not mechanically inclined, labor costs may add up.
4. **Cost Consideration** Depending on the brand and quality, sway bar kits can range from $200 $500 for a complete front and rear set. This is a moderate investment, especially if you re on a budget.
5. **Compatibility with Stock Suspension** If your 325is has already been modified (e.g., lowered, with stiffer shocks), the sway bars may need further adjustment to avoid excessive stress on other components (e.g., bushings, subframes).
6. **Potential for Noise or Rattles** In some cases, stiffer sway bars can amplify road noise or cause minor rattles if not properly secured or if the mounting points are worn.
7. **Limited Track Performance Without Further Mods** While stiffer sway bars help, they re not a complete solution for track use. Additional upgrades (e.g., limited-slip differential, performance brakes, adjustable suspension) are often needed for serious track driving.
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### **Conclusion:**The **BMW 31351090180 E36 sway bar kit** is a solid upgrade for a 325is, particularly if you re looking to improve handling stability, reduce body roll, or complement other performance modifications. It s a practical choice for enthusiasts who prioritize driving dynamics over pure comfort and are willing to trade a slightly firmer ride for better cornering feel.
However, it s not a universal fix if your car is already heavily modified or if you primarily use it for daily driving on rough roads, the benefits may be less noticeable. Additionally, if you re new to suspension tuning, consider starting with a more moderate kit or consulting with a BMW specialist to ensure the upgrade aligns with your goals.
### **Recommendation:**- **Buy if:** You want to enhance handling, have a performance-oriented 325is, or are planning further suspension upgrades. The 31351090180 kit is a reliable, well-supported option that balances stiffness and practicality.
- **Consider alternatives if:** You prefer a softer feel (e.g., intermediate sway bars) or want adjustable options for fine-tuning. Also, ensure your car s suspension is otherwise in good condition before installing.
- **Pair with:** Stiffer shocks (e.g., Bilstein B14/B16), poly bushings, or a limited-slip differential for a more comprehensive performance upgrade.
- **Installation tip:** If DIYing, take your time with alignment and torque specifications to avoid premature wear on other components.
For most enthusiasts, this kit is a worthwhile investment just manage expectations regarding ride comfort and consider your driving priorities.
Sold in pair. Non M stock sway bars with end links for the rear. Removed from a 92 325IS.