fits model: 550i. make: Bmw. year: 2006–2010.

( Manufacturer Part Number: 33557906822 ), ( Part Type: Stabilizer Bar ), ( Conditions Options: Rear Stabilizer Bar ), ( Genuine Oem: Yes ), ( Ipn: 524-59480 ), ( Year: 2008 ), ( Manufacturer Warranty: 1 Year )
The **BMW 33557906822 Rear Stabilizer Bar** is a high-performance, precision-engineered suspension component designed exclusively for the **2006 through 2010 BMW 5 Series (E60) 550i models**, ensuring optimal handling, stability, and ride quality. This aftermarket stabilizer bar is meticulously crafted to match the exact specifications of the original equipment manufacturer (OEM) while incorporating subtle enhancements to improve lateral stiffness and reduce body roll during aggressive cornering. Constructed from high-grade **chromoly steel**, the bar is heat-treated and dynamically balanced to withstand the demands of both daily driving and spirited performance applications, delivering a more planted, responsive feel without sacrificing comfort. The **7-bolt mounting system** ensures a secure and precise fit, with carefully machined ends that integrate seamlessly with the vehicle s suspension geometry, minimizing unwanted vibrations and maintaining alignment under load. Whether navigating tight curves at high speeds or maintaining composure over uneven roads, this stabilizer bar enhances the 550i s inherent stability, making it an ideal upgrade for enthusiasts seeking a firmer, more engaged driving experience. Built to exacting standards, it is a reliable choice for those looking to refine their E60 s handling dynamics while preserving the vehicle s original aesthetic and functionality.
### **Pros and Cons of Buying a BMW 335i (E90/E92/E93) Rear Stabilizer Bar (Part Number 06-10-5-500-682) for Models 2006-2010 (550i Equivalent)**
#### **Pros:**1. **Improved Handling Stability** A rear stabilizer bar reduces body roll during cornering, making the car feel more planted and responsive, especially in aggressive driving or on uneven roads.
2. **Enhanced Comfort on Rough Roads** A properly adjusted or upgraded stabilizer bar can reduce excessive sway, leading to a smoother ride over bumps and potholes.
3. **Compatibility with Performance Modifications** If you ve added suspension upgrades (e.g., stiffer springs, lower coils, or performance shocks), a stronger stabilizer bar helps balance the changes and prevent overcorrection.
4. **Prevents Excessive Body Lean** Stock stabilizer bars can wear out or become too soft, causing the rear end to dip or roll excessively. Replacing it restores factory-like or better stability.
5. **Cost-Effective Upgrade** Compared to full suspension overhauls or performance packages, replacing just the stabilizer bar is a relatively inexpensive way to improve handling.
6. **Easy Installation** This part is straightforward to replace, often requiring only basic tools and minimal mechanical skill. Many aftermarket kits include detailed instructions.
7. **Durability** High-quality aftermarket or OEM replacement parts are designed to last longer than worn-out stock components, reducing long-term maintenance concerns.
8. **Potential for Tuning Benefits** If paired with a tune (e.g., MHD, Haltech, or ECU flash), a stiffer stabilizer bar can help optimize power delivery and traction by reducing body movement under acceleration.
---
#### **Cons:**1. **Potential Over-Stiffness** If the stabilizer bar is too stiff (especially if paired with other aggressive mods), it can make the car feel harsh or less forgiving on rough roads, reducing comfort.
2. **Compatibility Issues with Soft Suspensions** If your car has a heavily lowered suspension or very soft springs, an overly stiff stabilizer bar may cause excessive body control, leading to a "stiff" or unnatural feel.
3. **Cost of Aftermarket Parts** While OEM replacements are affordable, premium aftermarket stabilizer bars (e.g., Bilstein, H&R, or Eibach) can be more expensive, especially if sourced from high-end brands.
4. **Installation Challenges** Some aftermarket stabilizer bars require machining or custom mounting, which may not fit perfectly without additional modifications (e.g., extended arms, spacers).
5. **Wear on Bushings and Mounts** If the stabilizer bar is installed without checking the associated bushings or mounts, premature wear can occur, leading to rattles or binding.
6. **Limited Impact on Performance** Unlike a full suspension swap or engine upgrades, a stabilizer bar alone won t drastically improve lap times or straight-line acceleration. Its benefits are mostly in handling and comfort.
7. **Risk of Incorrect Sizing** Choosing the wrong stiffness (e.g., a bar meant for a heavier car like a 550i on a lighter 335i) can lead to poor handling rather than improvement.
8. **Maintenance Overhead** If the bar is part of a larger suspension upgrade, you may need to periodically check bushings, shocks, or alignment settings to ensure optimal performance.
---
### **Conclusion:**Replacing the rear stabilizer bar on a 2006-2010 BMW 335i (or 550i-equivalent) is a **highly beneficial upgrade for handling and stability**, especially if the stock bar is worn or too soft. It s a **cost-effective, relatively simple modification** that can significantly improve cornering feel, reduce body roll, and complement other suspension upgrades. However, it s not a "magic fix" for poor handling it works best when paired with a balanced suspension setup (e.g., shocks, springs, and alignment).
If your primary goal is **better road manners**, this is a **strong recommendation**. If you re looking for **aggressive track performance**, consider pairing it with a stiffer setup (e.g., Bilstein B8 or Eibach springs) and a tune. For **daily driving**, a **moderately stiff bar** (e.g., OEM replacement or a mild aftermarket option) will provide noticeable improvements without sacrificing comfort.
---
### **Final Recommendation:**- **Best for Most Drivers:** Install an **OEM replacement stabilizer bar** (e.g., BMW part 06-10-5-500-682) if the stock one is worn. This restores factory-like stability at a low cost.
- **For Enhanced Handling:** Upgrade to a **mildly stiffer aftermarket bar** (e.g., Bilstein B8, H&R 10mm, or Eibach Pro-Kit) if you ve added suspension mods or want a sportier feel.
- **Avoid Over-Stiffening:** Unless you re tuning the suspension aggressively, avoid bars designed for heavier or more performance-oriented BMWs (e.g., 550i parts may be too stiff for a 335i).
- **Pair with Other Mods:** If improving handling is a priority, consider **upgrading shocks, bushings, or alignment** alongside the stabilizer bar for the best results.
- **DIY-Friendly:** This is a **great project for beginners** follow a step-by-step guide (e.g., from BMWBODYSHOP.info or iSeeBMW) and take your time to ensure proper installation.
**Verdict:** **Worth it** for most 335i owners, especially those who notice excessive body roll or poor cornering. Just ensure the replacement matches your driving style and suspension setup.
Quality, Assured Parts All are Quality Tested Inspected. More Parts: 1 Year Warranty. Shipping Damage:: Damages and evidence of tampering on the outer packaging must be noted delivery receipt by driver. Free shipping only applies to items you keep.
Easy to find parts that don't require a mechanics knowledge. REAR STABILIZER BAR OEM 06-10 BMW 550I: Included: Hassle-free 1 Year Warranty Our Part #: 8994988. Please disregard other fitment charts they may not be correct. Very happy customer, excellent value and service.
Please compare part numbers BEFORE purchasing. Image shown may be the vehicle from which part was pulled, or a generic image representing typical stock, rather than unique item being sold. Warranty HASSLE-FREE 1 YEAR WARRANTY: All parts are warrantied for a period of 12 months or year from the purchase date. If something is wrong with an order, we certainly do want to help you.