ISV cleaning again.
#16
Rennlist Member
![Default](https://rennlist.com/forums/images/icons/icon1.gif)
I learned about the ISV when I had my M3. I started cleaning it with brake fluid and realized there was so much buildup in their that reduced the car's performance.
#18
Addict
Rennlist Member
Rennlist Member
![Default](https://rennlist.com/forums/images/icons/icon1.gif)
Originally Posted by HK G36C
I learned about the ISV when I had my M3. I started cleaning it with brake fluid and realized there was so much buildup in their that reduced the car's performance.