Hi, I've searched using the forum function with the search terms 'poor radio reception' and read through some of the responses. However, I'm sure someone posted a link in a response which then went onto another forum (quite possibly E46 fanatics) which showed a very simple option to try and fix this issue. In short, when changing to an aftermarket head unit and using a harness adaptor so everything plug and plays, often there's not a connection to 'switch on' the OEM radio amplifier in th