BMW Speaker Upgrade/Installation | Z4 2003-2008 (E85/86) | BAVSOUND Stage One | Part 1

Part 1/2: This video describes the complete procedure for removing factory speakers in an E85/86 Z4 2003-2008 and replacing them with Bavsound's STAGE I factory speaker upgrade kit. This kit is very simple to install and perfectly replaces the factory speakers with better sounding, superior quality Bavsound drivers. Perfect fit and impedance. The guide covers all speaker locations found in the Harman Kardon (HK) and Business CD (standard) systems.

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