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19th April 2013, 19:50 | #1 |
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Rover 75 2.5 v6 in firefrost red Join Date: Nov 2009
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one side issue! why?
Have just got hold of a new round pin bm54 back unit from a guy on ebay.
Got the unit, swapped it over, just plug and play. Only problem,get a good sound out of it, but only to the left hand speakers and cant seem to tune in any fm stations. Have a pure highway installed and tunes in fine, but again only comes out of one side. Contacted the guy, was a gent, sent me a second unit, that was exactly the same. He offered all sorts of advise, couldn't fault him. Put the old unit back in and alls fine, put the bm54 back in and one side again! Have read a lot of the one side issue and the repair kits, surely it cant be two duff units? Shame, the sound from one side, was good |
20th April 2013, 17:12 | #2 |
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Have just noticed that the unit is made by Siemens, not Becker, are they inferior units does anybody know?
Have been trying all sorts with unit, still only get sound from left hand side only Have now managed to knacker sat nav unit, fires up, lights on, but gps navigation option has disappeared from monitor. Also noticed when I do take old radio unit out and try to sort bm54, everything fires up soon as I connect earth or aerial or 17 pin plug?? |
20th April 2013, 17:33 | #3 |
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seems to me you have got hold two usless units. the the problem.you have
is well documented.it is to do with dry connections in the rear of the unit.
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20th April 2013, 17:38 | #4 |
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So the issue is, as you say, the well documented one side problem, I think they were saying problems with the amp inside the unit?
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20th April 2013, 21:46 | #5 |
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Common problem. One option you have is an amp upgrade, which, I think, gives you 4x40watts. That's a significant power increase, and your missing sound will be fixed. Of course, that's £100 you hadn't bargained on spending, but hopefully you got the BM54 at a reasonable price. Maybe ask for a partial refund to help pay for repair?
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21st April 2013, 00:02 | #6 | |
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Quote:
The guy that sold the units, seems genuine.. ex rover engineer until the demise!? He has sold a few other units, on ebay, with 12 months warranty. Have sent him another message! |
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21st April 2013, 19:42 | #7 | |
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Quote:
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21st April 2013, 19:50 | #8 | |
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Quote:
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21st April 2013, 19:57 | #9 |
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Its the round pin version, its not made by Becker, which I thought they all were, has Siemens name on it.
He's from your neck of the woods actually, Harborne, B'ham? Last edited by handyjackdaniels; 21st April 2013 at 20:00.. |
21st April 2013, 21:15 | #10 |
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It's not a BM54, you've bought a BMW 'business' unit, not the 'professional'.
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