I installed an E39A Dynavin on my 2002 E53, I do not have DSP. E53's with the DSP audio system are not compatible. The DSP amplifier must be replaced with an aftermarket amplifier as it will not function with ANY aftermarket head unit including the Dynavin. I would say i am some what satisfied with this unit. One huge drawback is the glare on the unit during the day other then that have had to may problems with it. It took a while to install but it was mostly due to running the farka cable from the back to the front.


This guy did an install with DSP....
http://www.xoutpost.com/miscellaneou...placement.html

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