Welcome to the boards!
+1 on the oil changes. Every 5k seems to be widely accepted.
If you want a good inexpensive mod for the angels, go with the GP Thunder bulbs. They're easy to replace and can be had for under $20. I have the 7500K bulbs and they give off a nice white light with a very slight blue tinge (see signature pic below). Go with the 8500K bulbs if you like a bluer color. **********s sells them (
http://www.**********s.com/product.a...cement_Bulb_DC) as well as a few other vendors here.