Hard braking at high speed (>250km/h) makes the car slide

[NewLife]

Hello,
if you try to hard brake at high speed (>250km/h), front wheels start sliding laterally due to a strong lateral forces. Tested with 360, G4 and CO.
Changing the tires doesn't fix this.
The only thing that alleviates this issue is a rear wing with high downforce.
In fact the F1-02, which has a very high downforce rear wing, doesnt suffer this issue.
Disabling Beckman combining algorithm seems to alleviate this problem, too.
My own vehicle simulation package (which uses Beckman combining algorithm) has this problem, too, and if I disable Beckman combining algorithm the issue almost disappear.

What do you think?
Michele