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      04-03-2008, 05:59 AM   #101
crzy4135i
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Drives: 08 135i
Join Date: Nov 2007
Location: US

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Quote:
Originally Posted by Chicago1 View Post
Did you mod your S4? Thing must be quick if you think your Dinan-tuned 135i will still be slower than the Audi.
[The biturbo Audi S4 is the high performance version of the "B5 Chassis" Audi A4 quattro. This version of the S4 was sold from model years 2000-2002. Don't let its understated looks fool you. With a 0-60 time of 5.5 seconds, (electronically limited) top speed of 145mph, and superlative handling, it will leave many pure sports cars in the dust, can compete handily with a BMW M3 (probably its closest competition) on the racetrack and is unsurpassed when the road conditions are wet, snowy, or icy. The S4 beat the M3 in a Motor Trend comparison, its abilities under bad road conditions not even considered. ]
Even the 2008 S4 is only putting up 5.3 0-60. I would imagine that since C&D put up a 4.7sec 0-60 on a bone-stock 135i (http://www.caranddriver.com/reviews/...take_road_test), that a Dinan tune would knock a couple tenths off this figure and smoke a stock S4, and perhaps a tuned S4, depending on what's under the hood.
Yep, biturbo B5 S4's are very easy to mod. Not cheap but easy. The S4 comes with small borgwarner K03 sized turbos but larger oem K04's (from the B5 RS4) bolt on and there are several stage 3 kits available that use them. I just did 12.1@119.5 this past fall on 100 octane but shifting carefully. I've had it modded for the past 4 yrs. Regardless, I think the dinan'ed 135i will be a fun car.

I started with the APR stage 3 kit.
http://goapr.com/Audi/products/stage3_27tko4.html

The newer S4's (newer than '02) do not have turbos. Quite a few guys have sold them and bought the older B5's.
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