ForTim

I have Denso NAV in Focus Ghia MK2. I have the following questions if someone can help:

1. I have universal Audio 2000 car kit with the cradle TH251. This cradle can be used with the mobiles Nokia 3220, 6020, 6021 and identical mobiles. Manufacturer who turns to be Funkwerk Automotive do not have cradle for the mobile Galaxy SII. Universal handsfree car kit Audio 2000 is out of range since end of 2011. Only solution seems to be buying Audio 2000 Bluetooth adapter. I don't know whether this would work.
2. Can I add some other bluetooth to Denso in order to have hands-free for mobile conversation?

3. There is AUX 3,5mm jack in the glove box. When I connected my mobile Samsung Galaxy S2 to it and chose AUX in Denso, I could here the music through the car speakers, but it's VERY silent. If I turn the volume on, there is a lot of noise. Is there something I can do about it? Add some device or repair the contact?
4. Alternatively, can I add some bluetooth to Denso in order to play music from my phone to it directly? I don't need USB.

5. Focus had "External Auxiliary 6 CD Changer". If I understand well, it's not Denso, but somewhere else. I couldn't see it, it's probably removed. Where was that? Where is it's connection? Since I have DVD-ROM for navigation maps, it's lot of drives.

I have Focus 2007 1,8 TDCI. When I try to pump gas (it's a diesel) at full speed, gasoline comes back out of the fuel filler neck. I tried at two pump stations. I can refuel slowly.
I've just bought a car, and I don't know about it's history. I went to the service and the serviceman checked the fuel and air tubes, but found nothing.
Any idea?