NB! It seems this console command is not compatible with CS2.
Command Profile

M_SIDE

CS:GO

This console command is used to set your mouse side factor.

Syntax
m_side [Side Factor]

Description

This console command is used to set your mouse side factor.

How To Use m_side

  1. Enable the developer console in Counter-Strike settings.
  2. Open the console with the tilde key (~).
  3. Enter m_side [Side Factor], replacing bracketed arguments with the value you want, then press Enter.

This legacy command is not currently listed as compatible with Counter-Strike 2.

Syntax And Arguments

m_side [Side Factor]
Side Factor The side factor you want to set this command to. The default value is 0.8.