SKU: 44538125833

BC Racing ZX Series Coilovers for 2017+ Audi A4/S4 (48.5mm Front Strut) (FWD/AWD) (B9)

$1280.25 $1422.50
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Shipping Estimate
USA
  • USA
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Ships within 48 hours · Estimated delivery Jun 24 - Jun 29

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For Your Every Summer RSVP, with Code: SUMMER15

Description

BC Racing ZX Series Coilovers for 2017+ Audi A4/S4 (48.5mm Front Strut) (FWD/AWD) (B9)BC Racing ZX Series Coilovers for the 2017+ Audi A4 S4 (B9) bring the same three axis adjustability as the race spec ZR Series with valving tuned for drivers who split time between street and track. Every kit is extensively tested on the B9 chassis and refined until it balances ride quality with performance the reason A4 S4 (48. 5mm Front Strut) coilovers from BC Racing are the best selling adjustable kits in their segment worldwide. ZX Series kits

BC Racing ZX Series Coilovers for 2017+ Audi A4/S4 (48.5mm Front Strut) (FWD/AWD) (B9)
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: 44538125833

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4.5 ★★★★★
Based on 1186 reviews
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Product Reviews
C
Verified Purchase
Chuck Johnson
Birmingham, US
★★★★★ 5
Good value
It’s a K&N quality filter, enough said
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
S
Verified Purchase
Skip
Massapequa, US
★★★★★ 5
It fits
Fit my car perfectly. Hopefully it lasts longer than normal filters.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026
J
Verified Purchase
Jijy M. John
Charlottesville, US
★★★★★ 4
Air filter
Easy to install, correct fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 27, 2023
V
Verified Purchase
VictorS
Dallas, 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
K
Verified Purchase
Keys
Cuba, US
★★★★★ 5
Nice air filter
Replaced my K&N filter with this KAX filter. Same performance and better mileage.
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Reviewed in the United States on April 13, 2024

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