I know I will get flamed for going with Inmotion tuning for my tuning upgrade but I did not just jump in.
I found Inmotion tuning on Flebay & am usualy very sceptical about ebay & cheep crap but for under $250.00 I figured I would. check it out.
I searched VW sites for feedback & It was positive from all that used them
Then I searched the feedback given to inmotion my other b5 S4 owners & emailed those people who had done it more then1 yearago & other then a tip guy who blew his trans 2 weeks later (said it was going anyway) all was positive.
So I did it.
I opted not to send myECU to them & put a 2000.00 refundable deposit on my credit card & they sent me a CD & a "bitshooter"
that you plug into the ECU port.
I got the "bitshooter" in about 10 days & downloaded my factory tune to my laptop & emailed to to inmotion they then emailed me the new tuned file that I had to upload back to my ECU.
Anyway it was real easy&I had no downtime
I know it is not the most agressive tune but I did a Gtec run before & after (only one run before & after so I am sure both can be a little better & at the end of the 1/4 mile the road starts to go up just a little.

before (bone stock)[/align]0-60 5.81
1/4 mile 14.48 @ 98.3[/align]now[/align]0-60 5.38 (tune only)[/align]1/4 mile 13.90 101.9[/align][/align]The most noticable gain feels to be in the 3k range midrange feels much stonger.[/align][/align]

 

nice... too bad you only got 1 run in each time. Do u know how muchthat chip increaseshp/tq? It's defnice to knock off a half second.
how accurate are thoseGtecs?

 

the Gtech is pretty much dead on...its surprising how close it is. I used one in my old truck, and it was only off by a few tenths (less than 5) in the quater from what i actually ran, to what it said i ran. I could run in the 12.3's consitantly, and the GTech had surprisingly close to that.

 

They claim 290hp & 325 ftlb
I do not think they are as aggressive as others.
Gtech claims within 2 tenths or so I was looking for the amount of improvment more then the actual time & I only did one run each because 1) I am a wuss & dont want to go to jail for doing 100 in a 25 zone & 2) I just dont think 4000rmp clutch drops can be good for my 85k drivetrain

 

understandable, i was just thinking about gettting one.
ya that tune seems very conservative when compared withchips like GIAC and Dorito's.
yoo could have found a GIAC in the classified's for around the same price, as the guys at AW were saying

 

the cool part is that you have the stock ECU configuration in case you ever want to go back to original for resale reasons.

 

yr truck ran a 12.3? what truck was that??

 

i had a 1998 dodge ram, that i converted to the 5.9L 12V diesel. Slapped a bigger turbo on it, and an intercooler, and tune...put out around 450 hp/700ft/lbs.

 

Turbo diesels are beasts. My friend has an older dodge with a 5-speed. It's a single cab longbed and he put a bigger turbo on it and cranked up the fuel and the boost. That truck will pin you in the seat.