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The stock alternator is 120Amps... (archive)

[ Follow Ups ] [ 5-series (E39) Message Board ] [ Msg. Board FAQ ]

Posted by Frank B on July 06, 2000 at 15:38:14:

In Reply to: aftermarket stereo posted by Sanman540 on July 06, 2000 at 12:23:02:

This is higher than most cars (I think the 3 series is 90Amps, but you can check to make sure). I upgraded my amp to a 440watt McIntosh, and have no problems at all. I don't experience any headlight dimming at high volumes. My installer said you can run up to about 500 watts comfortably in this car. You can also add a capacitor if you think you need it.

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