Hello

I've just upgraded my navigation system i the E39

I installed a BM54 (Becker, from 2003) and it works fine, but when a nav-message sounds, it completly mutes the actual sound (radio, cd or tape) - just like the BM24 did.

One of the advantages by installing the BM54 should be that it would blend the nav-message onto the eg. the CD-Sound

Can I adjust it somewhere, or isn't it all of the BM54 that has that feature ?

System consists of : MK-IV, DSP Amp. ("neues timing"), 4:3 Screen, Hybrid TV, CD-Changer and the BM54

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Best Regards / Med venlig hilsen
Xenon-Jensen, Denmark
E39, 528i Steptronic