BMW 6858500 Front Stabilizer Sway Bar End Link I15

( Manufacturer Part Number: 6858500 ), ( Type: Sway Bar Link ), ( Country Of Origin: Germany ), ( Placement On Vehicle: Front, Lower )

Review BMW I15 Front Stabilizer Sway Bar End Link Oem fits I12 I8 2014–2020

The **BMW 6858500 (2014 2020) I12, I15, and I8 Front Stabilizer Sway Bar End Link** is a precision-engineered suspension component designed to enhance handling stability, reduce body roll, and improve overall driving dynamics for BMW s high-performance and luxury vehicles. This end link, part of the front stabilizer bar assembly, plays a critical role in connecting the sway bar to the vehicle s control arms, allowing it to counteract lateral forces during cornering, braking, and acceleration. Crafted from high-grade steel, it is engineered to withstand the rigorous demands of BMW s performance-oriented chassis, ensuring durability and consistent performance across the I12 (M240i, M240i xDrive), I15 (M235i, M235i xDrive), and I8 (Coupe and Roadster) models produced between 2014 and 2020. The end link features a robust ball-joint design, allowing for smooth articulation and minimal wear, while its precise fitment ensures proper alignment with the sway bar and control arm bushings. Whether used in stock applications or as part of a suspension upgrade, this component is essential for maintaining the intended handling characteristics of these BMW models, offering a balance of stiffness and compliance that contributes to a more engaged and responsive ride. For enthusiasts and mechanics seeking OEM-level quality, this end link serves as a reliable replacement for worn or damaged original parts, helping to restore factory-intended suspension geometry and performance.

### **Pros and Cons of Buying a BMW 6-Series (F12/F13, 2014 2020) Front Stabilizer Sway Bar End Link (i12, i15, i8)**

1. **Improved Handling and Stability** The front stabilizer bar (sway bar) and its end links play a critical role in reducing body roll during cornering, especially in heavier or high-performance variants like the **i8, M6, or xDrive models**. A well-maintained or upgraded system enhances precision and driver confidence.

2. **Compatibility with Aftermarket Upgrades** The **i12 (standard sway bar) and i15 (stiffer sway bar)** are common aftermarket parts, meaning you ll find a wide range of options for tuning, including adjustable or high-performance replacements. This allows for customization to match driving style or track use.

3. **Prevents Excessive Body Roll** Over time, sway bar links can wear out, leading to excessive body lean in corners. Replacing them restores the intended suspension geometry, making the car feel more planted and responsive.

4. **Cost-Effective Maintenance** Compared to full suspension overhauls, replacing sway bar links is a relatively inexpensive repair (typically **$50 $150 per link**, depending on model and brand). This makes it a practical choice for owners who want to avoid more costly issues.

5. **Compatibility with BMW s Tuning Scene** Many performance tuners (e.g., **BMW M Performance, JE, or custom shops**) offer sway bar upgrades that pair well with other modifications like **stiffer springs, coilovers, or ECU tunes**. This ensures balanced handling improvements.

6. **Prevents Further Damage** Worn sway bar links can accelerate wear on bushings, control arms, and even the subframe. Replacing them early can prevent secondary damage and extend the lifespan of other suspension components.

7. **Available for Both Standard and High-Performance Models**

- **i12 (standard sway bar)** Found on base **630i, 640i, and 650i** models.

- **i15 (stiffer sway bar)** Used in **M6, xDrive variants, and some high-performance trims**.

- **i8 (unique sway bar setup)** The **i8** has a more aggressive setup, and aftermarket parts are available for those seeking extra stiffness.

8. **Easy to Install** Most sway bar links are **bolt-on replacements** that don t require special tools or expertise. Many mechanics or DIY enthusiasts can complete the job in under an hour.

9. **Supports Weight Distribution** In heavier models (e.g., **650i xDrive, i8**), the sway bar helps manage weight transfer, improving traction and stability especially in aggressive driving or towing scenarios.

10. **Potential for Resale Value** If you re modifying the car for performance, keeping suspension components in good condition can **maintain or even increase resale value** for enthusiasts who prioritize handling.

---

1. **Wear and Tear Over Time** Sway bar links are subject to **fatigue from constant flexing**, especially in aggressive driving conditions. They can **rust, crack, or wear out**, leading to clunks or reduced effectiveness.

2. **Potential for Misalignment** If not installed correctly, new sway bar links can **disrupt suspension geometry**, leading to uneven tire wear or handling issues. This requires **proper alignment after installation**.

3. **Limited Longevity in Harsh Conditions** In **off-road, heavy-duty, or extreme weather** (salt, mud, deep water), sway bar links may degrade faster due to corrosion. This is more relevant for **i8 owners** who push the car beyond daily driving.

4. **Cost of High-Quality Replacements** While basic OEM or aftermarket links are affordable, **performance-grade or adjustable sway bars** (e.g., **JE, Eibach, or custom-built**) can be **significantly more expensive** ($200 $500 ).

5. **Not a Complete Handling Fix** Replacing sway bar links alone **won t fix worn bushings, control arms, or misaligned components**. If other suspension parts are degraded, the improvement in handling will be limited.

6. **Potential for Compatibility Issues** Some **aftermarket sway bars** may not fit perfectly with **modified suspension setups** (e.g., lowered cars with different spacing). Always verify compatibility before purchasing.

7. **Time-Consuming for DIYers** While the installation is straightforward, **removing the wheel and accessing the sway bar links** can be messy, especially in cars with **tight suspension layouts** (e.g., **i8 s compact design**).

8. **No Major Performance Gain Without Other Mods** A sway bar upgrade alone **won t make a massive difference** in a stock or poorly maintained car. For **noticeable improvements**, it should be paired with **tires, brakes, or an ECU tune**.

9. **Risk of Counterfeit Parts** The aftermarket for BMW parts is **flooded with cheap, low-quality replicas**. Buying from **unverified sellers** can result in **premature failure or poor fitment**.

10. **Not a Long-Term Solution for Severe Wear** If the **sway bar itself is bent or the bushings are shot**, replacing just the links won t fully restore function. In such cases, a **full sway bar replacement** may be needed.

---

### **Conclusion & Recommendation**

- **Clunking or rattling noises** over bumps or during cornering.

- **Excessive body roll** (especially in **M6, xDrive, or i8 models**).

- **Uneven tire wear** or **vibration in the steering wheel**.

- **Visible rust or cracks** on the existing links.

- **If you re planning suspension upgrades** (e.g., **coilovers, stiffer springs, or an ECU tune**) and want to ensure balanced handling.

- **If you drive aggressively** (track days, autocross, or spirited driving) and want to **maximize stability**.

- If the **sway bar itself is damaged** (bent or cracked), replacing just the links won t fix the issue **a full sway bar swap is needed**.

- If you re on a **tight budget** and other suspension components (bushings, control arms) are worn **prioritize those first**.

- If you re buying **cheap aftermarket parts** without verifying quality **stick to reputable brands (JE, Eibach, BMW M Performance, or OEM replacements)**.

- If you re not comfortable with **basic suspension work** this is a **DIY-friendly job**, but misalignment afterward can cause problems.

1. **Inspect Before Buying** If replacing due to wear, **check for rust, cracks, or excessive play** in the links.

2. **Choose the Right Sway Bar**

- **i12 (standard)** for **630i, 640i, 650i**.

- **i15 (stiffer)** for **M6, xDrive, or performance-oriented models**.

- **Aftermarket adjustable** (e.g., **JE i15 **) if you want tunability.

3. **Pair with Other Mods** For **best results**, combine with **stiffer bushings, coilovers, or an ECU tune**.

4. **Get an Alignment** After installation, **always get a 4-wheel alignment** to prevent uneven tire wear.

5. **Consider Professional Installation** If unsure, a **BMW specialist or suspension shop** can ensure proper fitment and torque specs.

**Yes, replacing the front sway bar end links is a smart and cost-effective upgrade** for BMW 6-Series owners who want **better handling, stability, and longevity** from their suspension. It s a **relatively simple, high-impact modification** that pays off in **driving enjoyment and preventing further damage**.

- **For daily drivers:** A **basic OEM or aftermarket replacement (i12/i15)** will suffice.

- **For performance enthusiasts:** An **adjustable or stiffer sway bar (e.g., JE i15 )** paired with other suspension upgrades will yield **noticeable improvements**.

- **For track or aggressive use:** Consider **high-quality performance parts** and **regular suspension inspections**.

**Avoid cheap, unknown brands** **quality matters** to ensure durability and proper fitment. If done correctly, this upgrade will **enhance your 6-Series driving dynamics** without breaking the bank.

Details:

2014 2015 2016 2017 2018 2019 2020 BMW I12 I15 I8 FRONT STABILIZER SWAY BAR END LINK OEM 6858500. LOT #205 - 2016 BMW I12 I8 B38 1.5L ENGINE AWD 6 SPEED AUTOMATIC TRANSMISSION UNKNOWN MILES SOPHISTO GRAY PAINT COLOR.

part #: 6858500 prices

• $85.00-$112.21

specifications swabasus:

• for models: I12, I8
• for makes: Bmw
• for years: 2014-2020
• mpn: 6858500
• type: Sway Bar Link
• country of origin: Germany
• placement on vehicle: Front, Lower

offer swabasus:

• sold: 0
• best offers: True
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• started: May 21, 2026

payments swabasus:

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

returns swabasus:

• policy: No Returns

general swabasus:

• condition: Used
• Car Truck Parts Accessories > Steering Suspension > Sway Bars, Links Bushings

shipping swabasus:

• service: Standard
• class: Standard
• type: Fixed
• transit: 5-11 Days
• cost: $0.00

seller swabasus:

• rating: 99.5%
• city: Rancho Cordova, California
• # reviews: 3471

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