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Matt, Mechanical Engineer
Category: BMW
Satisfied Customers: 115
Experience:  BEng hons Mech engineering, in auto industry 22 years
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hi I have a 320d Msport 2007, have fitted a after market stereo

Customer Question

hi I have a 320d Msport 2007, have fitted a after market stereo head unit and having problems with radio reception, do you think there is an issue with the diversity antenna, i have checked there is power to it an also re connected my old BMW business stereo which worked fine any ideas would be be very welcome
Submitted: 3 years ago.
Category: BMW
Expert:  Steve replied 3 years ago.
so when you put back the OEM radio, the reception was fine?
Customer: replied 3 years ago.

yes it was fine, i have looked at loads of threads on this subject, some say it is the diversity antenna not getting the right amount of voltage or non at all and you need to connect the blue/white antenna power lead from the new head unit to a white wire in the BMW radio wiring harness, but there is no white wire on mine?