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Re: Stock audio system upgrade (archive)
[ Follow Ups ] [ 5-series (E39) Message Board ] [ Msg. Board FAQ ]

Posted by Bob Hazelwood on February 22, 1999 at 10:11:09:

In Reply to: Stock audio system upgrade posted by Scott on February 21, 1999 at 10:35:58:

If you're talking about using the parts from the DSP system, no. The DSP system uses a completely different signal chain from the head unit. The Standard system has four conventional analog channels, the DSP system uses two fixed gain analog channels from the radio, with a direct digital connection from the CD changer, and a digital control bus from the head unit.
The best way to upgrade the standard system is with aftermarket equipment.

Best regards,
Bob Hazelwood
VP Product Management, a/d/s/
'93 525i 5-sp. Sharked, BL/ss'd, H&R + Bilsteins
BMW CCA (Boston)
http://www.adst.com

: Has anyone upgraded the standard audio system on an E39 5 series with the factory premium audio system? In particular, can you leave the standard head unit in place and simply upgrade the amplifier and add the rear-deck subwoofer with OEM parts from the premium system?



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