clarkeS4

<center><img src="http://pictureposter.audiworld.com/67180/dscn1207.jpg"></center><p>I found it very easy. I did it in ten minutes, and i'm "challenged". I have had my car for 4yrs, and this is the very first time I have heard the system come on. I also replaced my left, and right fog light housings. That is all.

Just-Emre

What's the part number needed. My friends B5 is in need of this mod.

es4uerzo

where are you located? that kinda looks like an indiana plate from this view

DYOS4

VA.

clarkeS4

Part# 021 919 369

DM-S4

mine's sitting on my table for a week now

Dan Jones

<center><img src="http://pictureposter.audiworld.com/1889/mvc-004.jpg"></center><p>Thermo Switch
After run coolant pump thermal switch 93°C(198°F) with O-ring ES#3326
2 pin Blue sensor with related O-ring

34.95 w/oring<ul><li><a href="http://www.ecstuning.com/stage/edpd/pagebuild_v2.cgi?make=Audi&amp;engine=2.7T&amp;mod el=B5%20S4&amp;submodel=&amp;category=Engine&amp;s ubcategory=Cooling">BUY em HERE, see my siggy</a></li></ul>

3Scanner

Did you also replace with new "O" ring? Part#: N 903 168 02. I need to do this over the weekend.

clarkeS4

The O ring came with it. I ordered it from ECS Tuning.