BMW Coaxial Stage One Speaker Upgrade for E81/E82/E87 with Base Audio - Bavsound BSD.S1.E81E82E87.BA-Kit

Elevate your driving experience with the **Bavsound Coaxial Stage One Speaker Upgrade Kit** designed specifically for BMW E81, E82, and E87 1 Series models equipped with the factory **Base Audio** system. This plug-and-play speaker upgrade dramatically transforms your vehicle's sound, delivering clearer highs, richer mid-range, and more impactful bass compared to the original factory speakers.

Engineered for a direct fit, this kit ensures a seamless installation without any cutting, wiring, or complex modifications. Enjoy audiophile-grade sound quality that integrates perfectly with your BMW's interior.

**Fitment Notes:** Exclusively for BMW 1 Series models (128i, 135i, 135is, 1 Series M) from 2008-2013 that came with the *base audio* option from the factory.

**Part Number:** BAV-BSDS1E81E82E87BAKit