The phrase "locking effect" refers to a situation where something becomes unable to move or change because it is stuck or fixed in place. Full definition
As on all M cars, an electronic limited - slip M - differential, with a fully variable locking effect, is standard. (autocar.co.uk)
The resulting self - locking effect subsequently diverts the majority of the torque to the axle achieving better traction; up to 85 percent can flow to the rear. (ausmotive.com)
The resulting self - locking effect now diverts the majority of the torque to the axle with the better traction; up to 85 percent can flow to the back. (ausmotive.com)