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Your Vehicle 2024 Mercedes Benz S500 4Matic Sedan 223.163 L6 3.0L

Front Sway Bar Bushing 21mm - Heritage Series

Slate-grey polyurethane bushings restore crisp body control with stock aesthetics.
Powerflex
Mfg Part #
PFF5-4602-21H
ECS Part #
ES#5470946
Brand
Powerflex

70.99
This product is lifetime replacement eligible Lifetime Replacement
This product is backed by our
Lifetime Replacement Program! Read more here
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Product Details

The Powerflex PFF5-4602-21H is a 21.5mm Front Sway Bar Bushing Set from Powerflex’s Heritage Collection. It features an advanced polyurethane compound styled in a classic dark grey color to maintain a stock look. This specific part is most commonly utilized to refresh the front anti-roll bars of the BMW E46 3 Series and non-V8 E39 5 Series models equipped with a 21.5mm diameter factory bar.

ECS Tuning (The Enthusiast Standard)

Version A: The Deep-Dive Description

Modern Polyurethane Precision Wrapped in a Timeless Aesthetic

A true sports sedan should feel flat, composed, and eager to dive into a corner. However, aging original rubber sway bar bushings often dry out, stretch, and turn spongy, reducing the effectiveness of your front anti-roll bar. This elasticity creates a delayed steering response and unwanted body roll, robbing you of that crisp cornering confidence your German masterpiece was engineered to deliver.

Design Excellence and Concours Discretion

The Powerflex Heritage Collection Front Sway Bar Bushings are the ultimate solution for enthusiasts who refuse to compromise on either performance or classic aesthetics. Engineered from premium, high-density polyurethane, this 21.5mm set eliminates unwanted movement at the bar pivot point, ensuring immediate sway bar engagement and flatter cornering. The true brilliance lies in the execution: Powerflex coats their Heritage line in a low-profile dark grey finish that mirrors fresh factory rubber. You receive the elite durability, precision handling, and lifetime warranty your chassis deserves, while fully preserving a completely clean, factory-original appearance under the car.

Key Benefits:

  • Stealth Aesthetics: Subtle dark grey finish preserves a completely factory-original look for pristine engine bays or concours judging.

  • Sharpened Body Control: Maximizes the efficiency of your 21.5mm front anti-roll bar, reducing dynamic body roll and sharpening turn-in.

  • Resilient Architecture: Fully resistant to road grime, salt, and engine oils, ensuring it will never rot or disintegrate like factory rubber.

This Part Fits the Following Vehicles

Make Model Submodel Engine Special Fitment Notes
BMW E46 323Ci M52 2.5L Use vehicle selector to confirm fitment
BMW E46 323i M52 2.5L Use vehicle selector to confirm fitment
BMW E46 325Ci M54 2.5L Use vehicle selector to confirm fitment
BMW E46 325i M54 2.5L Use vehicle selector to confirm fitment
BMW E46 325i M54 3.0L Use vehicle selector to confirm fitment
BMW E46 325xi M54 2.5L Use vehicle selector to confirm fitment
BMW E46 328Ci M52 2.8L Use vehicle selector to confirm fitment
BMW E46 328i M52 2.8L Use vehicle selector to confirm fitment
BMW E46 330Ci M54 3.0L Use vehicle selector to confirm fitment
BMW E46 330i M54 3.0L Use vehicle selector to confirm fitment
BMW E46 330xi M54 3.0L Use vehicle selector to confirm fitment
BMW E46 M3 S54 3.2L Use vehicle selector to confirm fitment
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.

This Product Is Covered By Our Lifetime Replacement Program

Products protected by our Lifetime Replacement Program are covered for as long as you own the product, no need to worry about an expiration date. Purchase your products and enjoy some worry-free motoring, knowing we've got you covered.

If you have any questions, would like to learn more or are ready to place a replacement claim, click here!

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Return and Exchanges

Need to set up a return? Click here to begin: Return Process

All you need is your order number and email address.


New/Unused Product Returns

ECS Tuning will accept returns for unused products within 90 days of the ship date for a refund to the original payment method used. The customer is responsible for the return shipping costs and fees. If selecting to use a prepaid shipping label, the shipping cost will be deducted from the total refunded amount. All new/unused products must be new, unused and must be in the original packaging, including labeling, manuals, hardware, etc. Special order parts are non-refundable.

In the event that we find an error on our website or on behalf of an ECS Tuning Representative, we will provide a return shipping label from the original delivery location.

Refused Packages

Any domestic orders that are returned to ECS Tuning as refused by receiver or non-deliverable will be subject to a return handling fee and will be processed as a return in compliance with our standard return policy, including a 15% restocking fee.

Any international orders that are refused at the time of delivery will be subject to carrier abandonment of the package, at which time the ordered products would be discarded by the carrier. The customer will not be refunded for the value of the order and the discarded products are no longer retrievable.

Return Process

Return Process

ECS Tuning now offers an online returns solution! To get started, simply log into your ECS Tuning account, Click the "View Orders" button on the My Account home page and select the order that you wish to make a return on to begin. If you have any questions, feel free to reach out to our Customer Service Team for assistance!

Please note: Refunds will be processed to the original payment method used on the order or to an in store credit, respective to the type of return that is made as well as any pre-existing arrangements with an ECS Tuning Customer Service Representative. In the event that multiple forms of payment were used, we will refund the value to an in store credit. In the event that a return label is provided, these charges may be deducted from the total refund you receive.

Original shipping costs are non-refundable and the buyer is responsible for return shipping charges. ECS Tuning will not accept COD deliveries.


All in store credit balances will expire after one year from the original purchase date.

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Shipping Policy

Free Shipping On Orders $49 & Up

Items marked with a 'Free Shipping On Orders $49 and Up' logo may qualify for free standard economy ground shipping to the contiguous United States (48 states) for most orders with a value greater or equal to $49.00 USD. Oversized products and direct ship products are excluded from this offer unless otherwise noted.

Free Shipping

Items marked as 'Free Shipping' may qualify for free standard economy ground shipping to the contiguous United States (48 states). Oversized products and direct ship products are excluded from this offer unless otherwise noted.


The policies listed above are subject to change at any time without notice.

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Lifetime Replacement

Want to know more about our Lifetime Replacement program?

Click here to learn more.

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Why You Should Shop From ECS Tuning

ECS Tuning stands out as more than an automotive parts supplier-it's a vibrant community fueled by a shared passion for cars. Born from the enthusiasm of car lovers, we offer an unmatched understanding and commitment to the automotive world, providing high-quality parts and accessories sourced from our own experiences. Our selection is meticulously crafted to meet the highest standards of performance, quality, and design, catering to both the latest trends and classic styles.


Our distinct advantage lies in our passionate team and comprehensive support, offering expert advice and seamless service from selection to installation. Shopping with ECS brings exclusive perks, including our Lifetime Replacement Guarantee and free shipping on orders over $49, enhancing the value of every purchase. As a central hub for car enthusiasts, ECS Tuning fosters a rich community where ideas and experiences flourish, transforming us from a mere supplier into a platform where automotive dreams come to life.

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Cancellation Policy

At ECS Tuning, we understand that plans can change. That's why we offer a flexible cancellation policy for our customers. You may cancel your order at any time before you receive the shipment confirmation. This policy is designed to provide you with peace of mind and the flexibility to make adjustments to your purchases as needed. Should you decide to cancel your order, simply reach out to our customer service team, and we will assist you with the process swiftly and efficiently.

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Manufacturer names and/or part numbers are used only for identification purposes.

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