Take a look at MB Quart for the E39, unless rockford fosgate has a plug and play solution.
The standard audio system came equipped with 10 speakers. If you have DSP, you have 12.
Ed in San Jose '97 540i 6 speed aspensilber over aubergine leather. Build date 3/97. Golden Gate Chapter BMW CCA Nr 62319.
Last edited by edjack; 03-20-2013 at 12:16 AM.