Stock Amp ?

my right rear speaker is not working, can someone tell me were I can find the amp in a 523i uk model(year 2000)

come on someone must know

The amp on my 1989 525i is between the trunk and back seat.

on my 2000 528i it's on the left hand side of the trunk behind the cd changer

hi i have looked behind my cd changer and it is not there all that is there is a small white box on the wheel arch

hi i have looked behind my cd changer and it is not there all that is there is a small white box on the wheel arch


Here is where mine is, no idea if its not there....

http://my.fit.edu/~kgorczyn/124CANON/IMG_2449.JPG

hi i had a look today i do not think i have a amp i read some where on the net that bmw with 10 Speaker have a amp and my has 6 Speaker how can i tell why the right rear Speaker is not working can i just unplug the Speaker and plug a test Speaker in? also when i got the car it had a thing poking through the front passenger carpet and i find this

http://img176.echo.cx/img176/8567/phot00583af.th.jpg (http://img176.echo.cx/my.php?image=phot00583af.jpg)

can someone tell me what it is