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      11-13-2018, 03:47 AM   #12
Brigadier General

Drives: F20 LCI 118i M-Sport B38
Join Date: Jun 2012
Location: Bryne, Norway

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Originally Posted by ashiohsiao View Post
I then told a few friends about this, and they also tried it on their cars, and they also were shocked at how much a different it made
I agree that bumpstops are often overlooked during chassis tuning. Particularly monotube Bilstein shocks have very long internal bumpstops that make quite a lot of difference in handling.

My F20 seems rather neutral during turn in, since I am off the throttle and sometimes even braking. This is the situation where the outside front bumpstop is compressed. After I get back on the throttle, I get a slight understeer, and in this situation, the front bump stops should normally not be engaged.

My car has very good traction, so I would be willing so sacrifice a little bit of that for less understeer. That is why stiffer rear swaybar and narrower rear tyres seems like the way to go.