While you can indeed do it yourself, there are lots of reasons why folks go to the dealer - time, availability of equipment (lift, jacks, jackstands), the need to dispose of the old oil, and the fact that it's usually a very messy job.
Now, let's try answering the original questions, for a change.
Originally posted by Gokwi:
I already bought synthetic oil, or does acura already supply it?
That depends on the dealer. And some dealers may stock 5W30 synthetic oil, but not synthetic in the 10W30 which is recommended for the NSX. You can call your dealer ahead of time and ask them.
My dealer does not stock 10W30 synthetic oil. When I ask, they tell me that they can either send someone to the store for it, or I can bring my own. I bring my own; it's better for me (no markup from store prices, and I can buy it when it's on sale) and it's better for them (no need to send their people out). Total cost of the oil change and filter ends up around $40-50.
Originally posted by Gokwi:
i heard you have to replace the washer neat the oil pan everytime u change, it, will acura supply that?
Yes.
If you ever decide to change your own oil, buy the crush washers at the same time as you buy oil filters, and tape a crush washer to each filter.
Originally posted by Gokwi:
everyone says not to buy after market oil filters, best is to use OEM honda filters?
Yes.
[This message has been edited by nsxtasy (edited 26 October 2002).]