BMW Stage One Speaker Upgrade for E85/E86 Z4 Roadster/Coupe - Bavsound BSD.S1.E85/E86-Kit

Elevate your driving experience with the **Bavsound Stage One Speaker Upgrade Kit** for your BMW E85/E86 Z4 Roadster or Coupe. Designed specifically for 2003-2008 models, this premium kit replaces your factory speakers to deliver significantly improved audio clarity, depth, and detail.

Experience crisp highs, articulate mid-range, and richer bass with this direct, plug-and-play upgrade, ensuring seamless integration into your Z4's interior. No cutting or modifications required.

**Important Fitment Note:** This speaker upgrade is compatible *only* with BMW Z4 vehicles originally equipped with either the **S676A Standard HiFi Sound System** or the **S677A Professional DSP Sound System**. Transform your Z4's acoustics and rediscover your favorite music on every journey.

**Part Number:** BAV-BSDS1E85E86Kit