Bug Bubble exhaust

Hi everybody

I have a graphics problem that drives me crazy

some mod but not all for example formula bmw or formula tatus, there is a bubble to the exhaust of the opponents when engins is on

https://drive.google.com/file/d/14KOMBBoGUgv9Ra-17L-dkMUShzBrqRe7/view?usp=drivesdk

Thanks guys !!

Yves

 

This sounds to me a lot.
Have you tried to use the forum search?

 

Yes but nothing

 

Yes forum search will give you some answers, like here for example. https://forum.studio-397.com/index.php?threads/what-causes-this.53872/#post-869329

 

If you search your exact title you'll get the answer
https://forum.studio-397.com/index.php?search/6520323/&q=Bug+Bubble+exhaust&o=date