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So, I read this from the GGC of BMWCCA. It is an excerpt from their "hints" on autocross:

"You’ll quickly discover that the factory’s recommendation of higher pressures in the back, lower in front, results in a lot of understeer. This resists rotation during turns, or putting it another way, you tell the car to turn but the car tries to keep going straight. Try putting more air in the front tires to make the handling more neutral"

I may be completely wrong, but if you put more pressure in the front, won't understeer increase? The above sentence says the exact opposite :confused2 :confused2

Have I got it backwards? :confused2 :confused2
 

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I have higher pressures in the front of my E46 for the same reason. When I used to autocross the decrease in understeer due to higher front pressures relative to the rears was really obvious. As far as the reason for this I think it's because lower pressures make the tires roll-over quicker, and the sidewall obviously isn't made for gripping the surface.
 
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