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 BSW'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 BSW drivers. Perfect fit and impedance. The guide covers all speaker locations found in the Harman Kardon (HK) and Business CD (standard) systems.

    # vimeo.com/25121099 Uploaded 3,314 Plays 0 Comments
  2. Part 2/2: This video describes the complete procedure for removing factory speakers in an E85/86 Z4 2003-2008 and replacing them with BSW'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 BSW drivers. Perfect fit and impedance. The guide covers all speaker locations found in the Harman Kardon (HK) and Business CD (standard) systems.

    # vimeo.com/25407883 Uploaded 2,198 Plays 0 Comments
  3. This video covers process of installing a Soundplicity Control III (or Medibridge) Microphone from bavsound.com in a Z4 (M Coupe, Roadster, E46 and other late model BMWs are quite similar). Seamless Bluetooth Hands-Free Calling in your BMW!

    Be sure to check out our user guides and vehicle specific installation guides as well!

    # vimeo.com/15496103 Uploaded 9,319 Plays 0 Comments

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