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E86 Coupe - Is something wrong with my subs?
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03-15-2019, 10:05 AM
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ShakyDog
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Drives: 2007 Z4 3.0i Alpine White/Red
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I think I remember a few years ago someone figured the coupe had different programming either in the AMP or in the ECU. They had changed the Coupe to the same as the Roadster and it was better. I am not sure where it ever ended up...
Steve
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