How to Install a DICE iPod Kit DSP adapter in a BMW E39 « Car Stereo & Audio :: WonderHowTo
⭐ 97-03 Bmw E39 5 Series Front Right Top Hifi Loud Speaker Box Dsp Oem | eBay
Sharing audio upgrade on my non-DSP in '99 528iT. Kept OEM headunit/cassette (for looks mostly). Replaced stock speakers with Bavsounds & replaced OEM CD changer with GROM bluetooth which punches above its
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How to replace your DSP Amp with an aftermarket unit.
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M audio upgrade review - The 5 Series (E39) Message Board