Is it expensive to replace a seal on the oil pan gasket? Is a quote of $737 on 1992 BMW 735i

Is this a simple repair? I found the whole gasket online for $20.

Asked by for the 1992 BMW 735i
1 answer
It is a simple repair, i am working on one right now, the reason the quote is so much is because of a full oil change and parts and labor.