I have a 2008 Audi A4 sedan. I have no audio jacks but i want to install an aux jack-- >blackberry/ipod. How?

I want an auxiliary jack installed so i can listen to my blackberry/ipod with good quality. Im not interested in FM modulators. How do i go about getting this done? Are there any companies that do this specifically?I have a 2008 Audi A4 sedan. I have no audio jacks but i want to install an aux jack-- %26gt;blackberry/ipod. How?Go on to enfig.com, they will have an adapter for your CD changer for the iPod.