SKU: 42689378847

BC Racing ER Series Coilovers – Ford Fiesta ST B479 (2017–2023) | 5/3kg or 10/8kg

Sale price$820.80 Regular price$912.00
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 23 - Sep 28

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Description

BC Racing ER Series Coilovers – Ford Fiesta ST B479 (2017–2023) | 5/3kg or 10/8kgBC Racing ER Series Coilovers Ford Fiesta ST B479 (20172023) BC Racing ER Series coilovers are designed for drivers who require maximum damping control, consistency and performance under demanding conditions. Featuring an external reservoir system, the ER Series is built for high performance road use, track days and competitive driving where heat management and precise suspension response are critical. This ER Series kit for the Ford Fiesta ST B479

BC Racing ER Series Coilovers – Ford Fiesta ST B479 (2017–2023)

BC Racing ER Series coilovers are designed for drivers who require maximum damping control, consistency and performance under demanding conditions. Featuring an external reservoir system, the ER Series is built for high-performance road use, track days and competitive driving where heat management and precise suspension response are critical.

This ER Series kit for the Ford Fiesta ST B479 offers a highly capable suspension upgrade, delivering improved stability, sharper handling response and consistent damping performance during extended aggressive driving sessions.

Vehicle Fitment

Ford Fiesta ST B479 (2017–2023)

Spring Rate Options

  • 5/3 kg/mm – Recommended setup for balanced fast road and occasional track use
  • 10/8 kg/mm – Track-focused setup for higher grip, aggressive driving and improved chassis control

Important Note

Please note: the front upper mount on this kit is non-adjustable. This means camber adjustment is not available via the top mounts and must be addressed through other suspension components if required.

BC Racing ER Series – Technical Features

  • External reservoir system for improved oil capacity and cooling
  • Independent ride height and spring preload adjustment
  • 30-click damping adjustment
  • Monotube damper design for consistent performance
  • Designed for performance driving, track use and motorsport applications

Performance Characteristics

  • Improved chassis control and reduced body roll
  • Consistent damping under prolonged load
  • Enhanced grip and cornering stability
  • Precise steering response and feedback
  • Suitable for both fast road and dedicated track setups

CoC / TÜV Documentation – Road Legal Use

BC Racing coilovers can be supplied with CoC documentation to support road legality and homologation where required. Torque Lab provides full assistance in obtaining the correct documentation for your vehicle and setup.

Why buy BC Racing from Torque Lab

  • Official BC Racing dealer
  • Direct EU supply and support
  • Expert advice for suspension setups
  • Fast and reliable delivery across Europe
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 42689378847

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West Palm Beach, US
★★★★★ 5
It fits
Fit my car perfectly. Hopefully it lasts longer than normal filters.
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Reviewed in the United States on March 26, 2026
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Jijy M. John
San Leandro, US
★★★★★ 4
Air filter
Easy to install, correct fit
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Reviewed in the United States on June 27, 2023
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VictorS
Fort Morgan, US
★★★★★ 5
Worth it!
Perfect fit for my 23 MDX, easy to install and great value for money. Dealership quoted me a ridiculous amount to replace the air filter. I would recommend everyone to DIY. Bought it together with the cabin air filter. Will definitely keep an eye on longevity. These are washable so probably wont need to buy for at least a couple years.
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Reviewed in the United States on November 10, 2025
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William
San Leandro, US
★★★★★ 5
Fit
Size: 8.8" x 9.3" x 1.1"
Product looks and works well
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Reviewed in the United States on May 7, 2026
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Chris G
Boise, US
★★★★★ 5
Easy installation
Size: 8.8" x 9.3" x 1.1"
It fit my 2011 Honda accord coupe 👍🏼
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Reviewed in the United States on March 15, 2026

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