Is there a low temp switch to put on my 96 a4?

2002 C5 A6 2.7T
Ming Blue Exterior / Cream leather interior
Audi Navigation RNS-E (converted euro Nav) - Bose Premium Sound - 10 speaker plus sub system - Cold weather Package
82,500 Miles
Performance: & Mods
So far... Forge 007P Diverter valves - Hotchkis HSport swaybar kit - Audi Navigation RNS-E radio - Audi OEM iPod kit - Audi RS6 18s
Adaptions
"01032" transmission code - "15981" door lock code - Display to reflect the Nav directions
What the warranty covered at 80,200 when i bought it:
New turbo setup, new cam seals, valve cover seal, front tranny seal, Secondary air pump, new tcm and harness, new electric secondary fan, transmission redone, new climate control fan. two visits - 3 weeks - cost me 2 deductables totaling $100. gotta love the CPO
What I have done so far:
Just did my Timing Belt service at exactly 84600 miles.
To Do List:
Giac chip - APR bi-pipe - PSS9s - RS6 brushed aluminum mirror housings - RS6 spoiler - Tinted Tails - Tints (35% rear window and back doors, 25% front 2 doors) - OEM RS6 modded exhaust system