i get almost all my replacement parts there. cheap and fast shipping.
faster for you since your are in CA.
autozone or advance auto parts is good if not better for gaskets and random crap. cheaper too. obviously
oil pan gaskets are a huge bitch!! some have to drop the subframe to do it and thats not easy!! there is not alot of room down there to work. my brother did his e30 by draining the oil, taking off all the bolts, cleaning the surfaces, installed the gasket w/ some silicon gasket maker, and bolted it back in. the kicker... he never removed the pan completely, he just let it rest on the subframe.
dont use "glue" for gaskets, gasket sprays are ok, but not necessary. dont even worry about it, just use a clean rag and some brake parts cleaner to clean the surfaces. brake clean is cheap and evaporates 100% after a few moments. its gold!! buy a case of it!
if you have shaking in the steering wheel try this. jack up on side of the car and shake the wheel that is off the ground, does it shake or have some play in it? yes, time for new wheel bearings. No, check your sway links and tighten them.
other than that, you should be good.