I would like to upgrade my subs and adding new amp, however, I dont have a factory amp
I read some topics like bruce's,, but they have a factory amp,, unlike my E60 ,

any advise please or an idea on how to connect aftermarket amp to my car,

 

Are you in the US or UK?

https://5series.net/forums/topic/998...-built-in-loc/

 

Thank U for ur replay,

I dont have the 20 pins connector,
I dont know from where I have to connect the new amp? coz I dont have a factory amp,
I'm in arabia gulf ,

 

get a line converter thats all it is