Broken Amp - Factory Replacement

[frencheee]

Hello, I only have sound coming from the front left speaker.
I have a 2004 X5 3.0 Sport Diesel with Sat Nav but no DSP.

I wanted to check the connections before I buy a replacement.

I have tried locating the AMP but I'm not sure which one is my AMP? Under the DVD SAT Nav I only have a blue tooth connection box?

I looked under the Spare wheel cover next to battery, but I'm not sure which one is my AMP?

Does any one have some pictures of exactly where it is. The pictures I can find on here seem to be of the DSP AMP?

Thanks

Tony