instrument panel gauges stopped working on 1992 BMW 325i

the gauges on my instrument panel all just went out so i dont know how much gas i have , how fast i'm going or how many miles i've gone. i don't have an owners`manual so i dont know where there might be another fuse box besides the one in the right front drivers side under the hood all those fuses seem to be good. any suggestions?

Asked by for the 1992 BMW 325i
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The fuses are apparently marked inside the fuse box cover as to their function and location.