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      10-02-2012, 07:56 AM   #3
Alistair330
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Drives: BMW 330d M Sport
Join Date: Sep 2012
Location: UK - Coventry

Posts: 19
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Sorry,
I think I have confused you slightly.
I don't have the official 'Alpine Upgrade Kit' which is supplied by dealers etc...

I have an aftermarket 4 channel Alpine Amp (F640) which I have installed myself using the same logic/Instructions as supplied with the official Alpine Upgrade. For Example, I have made my own wiring loom but connected it at the same points as the Alpine upgrade kit.

What I want to know is; if you use an aftermarket Amp as I have done, how do you connect it to the HU after it has been coded to Hi-Fi??

I understand the Amp in the Alpine upgrade Kit has a switch on the bottom to set the Input from Low level to high level, depending on the Headunit outputs but an aftermaret amp such as mine doesnt have this feature.
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BMW 330d M Sport, Spider Performance Tuning Box (est 280bhp), Body Colour grill (Mustache only), Carbon alloy center badges, Alpine and MB Quart Custom Audio.
Alistair330 is offline   United Kingdom
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