Originally Posted by bmwretrofit
More information about your retrofit should help.
What was done so far ?
Well, I finished doing everything. Even the module is already mounted in the module holder. It's finished but I don't get a sound. All the connections at the front in the passenger's footwell were done by bmw. Bmw told me i didn't have sound because I didn't install the signal generator. but my car is an 08, it doesn't need it. so I don't know what's wrong.