Forum: X5 (E53) Forum
01-27-2019, 11:49 PM
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Replies: 65
Views: 7,895
Thanks Crowz - I know all that - I design audio...
Thanks Crowz - I know all that - I design audio amps... But clearly the designers of this system had no concern (or understanding) of the basics of maximum power transfer (efficiency) and impedance...
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Forum: X5 (E53) Forum
01-27-2019, 11:45 PM
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Replies: 65
Views: 7,895
Exactly - and my apologies for confusing this...
Exactly - and my apologies for confusing this thread but all the info I have indicates that a BM54 DOES in fact act as an amp and I assumed (incorrectly it seems) that no car maker would put two...
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Forum: X5 (E53) Forum
01-27-2019, 11:41 PM
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Replies: 65
Views: 7,895
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Forum: X5 (E53) Forum
01-27-2019, 11:37 PM
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Replies: 65
Views: 7,895
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Forum: X5 (E53) Forum
01-27-2019, 11:36 PM
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Replies: 65
Views: 7,895
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Forum: X5 (E53) Forum
01-27-2019, 11:34 PM
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Replies: 65
Views: 7,895
Yep - exactly what I said (about line level...
Yep - exactly what I said (about line level outputs)
I'm going to need to study the wiring diagrams a little closely - this still makes no sense. In a NAV setup, the trunk mounted BM54...
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Forum: X5 (E53) Forum
01-27-2019, 11:30 PM
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Replies: 65
Views: 7,895
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Forum: X5 (E53) Forum
01-27-2019, 11:26 PM
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Replies: 65
Views: 7,895
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Forum: X5 (E53) Forum
01-27-2019, 11:21 PM
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Replies: 65
Views: 7,895
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Forum: X5 (E53) Forum
01-27-2019, 11:19 PM
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Replies: 65
Views: 7,895
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Forum: X5 (E53) Forum
01-27-2019, 08:23 PM
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Replies: 65
Views: 7,895
Got a picture of the wiring?
Unless I'm...
Got a picture of the wiring?
Unless I'm very much mistaken (entirely possible!) it would be very hard to wire a new android head unit in series with a factory amp - it would NOT be a plug and...
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Forum: X5 (E53) Forum
01-27-2019, 07:14 PM
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Replies: 65
Views: 7,895
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