It sounds high to me as well.Unfortunately many shops quote you a price,then slam you when they find lots of stuff wrong.I am not saying they are not a legit shop,its just the way business is done.I would sweat a little longer and do some research on this webpage,there are many knowledgable folks here that are more than willing to guide you through it,good luck Johnny

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85 300sd SOLD ,85 745i,95 740i,1972 Suburban,1938 International