Check out Audizine for the DIY B5 forum - it has a great oil change DIY.
I used to have a mustang also, a 99, and changing the oil on that car was so ******* easy it was a joke. Changing the oil on this car is brain surgery by comparison =P

 

the guy I bought my a4 from said he just called the dealership with his VIN, but wouldnt hurt to give them both

 

It'll depend on the dealer - the idea of the code is to ensure that only the person who owns the radio and the car it belongs to is able to get the code. Give them that trail, plus way more cash than you should have to, and you'll get it for sure.

 

Money does talk

 

i would start with some 10w 30 full synthetic oil blend into your motor its not to hard thers a bolt it unscrews with a rachet on the bottom of the oil pan and then replace the filter with a c clamp and make sure you lube the seal... to do that you dip ur finger into the new oil and rub it ontop of the rubber circle ontop of the filter where it screws from there its simple make sure you secured the bolt on the oil pann so it dont leak and then ontop the motor theres a opening to pour the oil into and there you go!

i would also do 2 or 3 cycles of seafoam-simply just cleans the motor out really good dump it into your gas tank at full fill ups.

then of course replace sparks and wires make sure they are gapped properly if not gapped that is half the reason our coil packs break. it did on my 2.8 i had to replace it as well.i would also drain all coolant and replace that with new fresh coolant 50/50 mix should work for you fine that is wat i use.

your brakes may have a lil rust it will wear off but if its bad bad replace them.

goodluck any questions my cell phone is always open keep me updated

 

also i noticed your having door opening problems i guess its pretty common with our cars im having the same issue with the locks dont open or close i believe it has something to do with the electric/vaccuum system these cars use i would aim for that and as for the door opening i would aim for it being the latch but if u can get it open lube it up really good and see wat happens worst case scenario is the door cant close but just take a screw driver flat head manually open the latch and slam it shut. the radio i have no idea wat your talkin about take it out get a harness adn throw a alpine in there call it a day

 

Have you fixed anything yet?