Upgrade your Valve Springs in your BMW S58! - 84lbs
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Upgrade to Supertech's High Performance Standard Sized Valve Kit!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Upgrade your Valve Springs in your BMW S58! - 75lbs
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Improved form and function for your air induction system! Motorsport-grade carbon fiber and dry media air filters shows a massive 27% increase in airflow efficiency!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4899597
Mfg#:
AMS.39.08.0001-1
Ships in 3 Business Days
$2649.99
This product was last offered at the strikethrough price on 06-22-2026
Give your front end a whole new look!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For models with Active Cruise Control For models with Active Cruise Control
A perfect carbon fiber upgrade that can't be missed
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Deep exhaust tone with the functionality of stock valve control.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4747203
Mfg#:
11-086B
Ships in 4 Business Days
5% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$2599.00
This product was last offered at the strikethrough price on 10-26-2026
Deep exhaust tone with the functionality of stock valve control.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4747204
Mfg#:
11-086C
Ships in 4 Business Days
5% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$3099.00
This product was last offered at the strikethrough price on 10-26-2026
Compliment your G8X's aggressive look and sound with these Active Autowerke exhaust tips
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
A perfect length, stylish alternative to the OE exhaust tips!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Compliment your G8X's aggressive look and sound with these Active Autowerke OEM exhaust tips
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Compliment your G8X's aggressive look and sound with these Active Autowerke exhaust tips
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
These downpipes replace the restrictive factory units to deliver faster turbo spool, increased horsepower, and a more aggressive exhaust note.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
