Quote:
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Originally Posted by mkinley
I purchased the HIFI upgrade at £390 for my E90 and I am not that impressed with the sound. I haven't compared to standard sounding car but I have asked dealer if it was REALLY installed which they say it was. No way of checking though unless anyone knows what to look for ?
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Amp in the boot by the CD Changer
No amp = Normal System
Small Amp = Hi Fi
Big silver amp = Logic 7