Get double the bass in your BMW in about an hour!
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 vehicles with the Logic 7 / Professional DSP audio package and existing underseat subwoofers only
- Brand:
-
- ES#:
- 4858620
- Mfg#:
- BSD.GUSW.4O-KIT
Ships in 10 Business Days
$649.00 USD
Free Shipping
Lifetime Replacement