The two posts following mine are likely correct. I stand corrected, but I'm
unclear how his radio works if all he has is a head unit (pre-amp) but no
amp.

"Jim Levie" > wrote in message
news
> On Fri, 17 Sep 2004 19:45:21 -0700, BTF wrote:
>
>> Only the BMW's with the DSP option have the extra amplifier, plus that
>> amplifier only takes a digital input.
>>
> No. The radio on any modern BMW is just a head unit that requires an
> external amplifier. On an E39 the amp is mounted on the left side of the
> trunk just behind and above the CD changer's location. I can't say if all
> BMW models mount the amp on the left side of the trunk, but a sampling of
> three ('01 E39, '91 E39, & '90 E32) all have the amp in that location
> (might be a trend here).
>
>> "Lapchien"
> > wrote in message
>> ...
>>> well, mine doesn't - hence the question!
>>>
> And do you have a stock BMW radio, or has it been changed out to an after
> market unit? With a BMW head unit no amp equals no sound.
>
> --
> The instructions said to use Windows 98 or better, so I installed RedHat.
>