[bimmer2022]

Originally Posted by howe9191

I have retrofitted 674 Harman Kardon amp 360W to my F30 with hifi 676. Just plug and play.

I noticed the rear speaker sound and center channel is lower in volume compare to front speakers.

I coded the audiosystem to hifisystem harman kardon but no difference.

Any other parameter need to code?

Did you found something about it? I'm thinking about to do the same as you, did you car had already the fiber port for the amp? Thanks

[Billfitz]

Originally Posted by leroixp@hotmail.com

Did you found something about it? I'm thinking about to do the same as you, did you car had already the fiber port for the amp? Thanks

You should change your username to something other than your email address. Bots cruise the web looking for email addresses to inundate with spam.