Thermostat Tube – Replacement for S65 E9X M3 Volkswagen Jetta Mk4 1.9L TDI and use many times over

and use many times over

With your new increased RPM limit you will be able to enjoy more usable power

longer core and newly designed end tanks with larger inlet and outlet to work best with the higher HP output

This meticulous engineering ensures not only robust performance but also a significant advancement in the realm of braking technology

Thermostat Tube – Replacement for S65 E9X M3 Volkswagen Jetta Mk4 1.9L TDI and use many times overCNC machined coolant water thermostat bypass to improve coolant water flow through the engine for increased cooling on and off the track. Extensively tested on the One Lap of America 2010 event on an Active Autowerke supercharged E90M3. Also used on Grand AM prepared E92 M3 race cars. Easy plug and play installation. Hard coat anodized for long life and reliability. year 2007,year 2007 make bmw,year 2007 make bmw model m3,year 2008,year 2008 make