Yup. Alternator is a 110amp. The system has a 650 watt for the subs and a 600 watt for the 4-chanel. The system is VERY old. Going on 10 years.

Fuel gauge is still working very well with the subs out of the trunk. Every so slight fluctuations when very near empty. I think I will put the subs back in tonight and see what happens. If there is a change, I will start moving grounds or look closer at the wiring (again).

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1991 560 SEL / 185k miles
1992 750il / 17k miles - project car