Ok I found it! It was on the back wall of the trunk closest to the seats. Seems to be stock install and not moved by previous owner. Anyway it’s the Lear model, says non-dsp when I looked it up. So why doesn’t it work hooked up to new head unit. All 10 speakers currently work fine when hooked...
I have a 2007 E85 roadster. VIN decoder says the following and I have counted 10 speakers.
S639 Preparation F Mobile Phone Cpl. USA/CDN
S645 BMW US Radio
S662 Radio BMW Business CD
S676 HiFi Speaker System
S692 Preparation, BMW 6-CD Changer I-Bus
Hooking up new head unit with correct...
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