The oil and filter were changed in a BMW eight-speed 8HP automatic transmission, followed by adaptation. At first, the shifts were noticeable; after the adaptation period, most gears changed more smoothly. A light bump remained when shifting from second to third gear during gentle acceleration.

After assessing the transmission's behaviour, its control unit was reprogrammed. A few days later, the owner reported that shifts had become smooth and the previous bump was no longer noticeable. The video also shows a gentle road test in which the gears change without a clear jolt.

This is the outcome of one specific case, not proof that software can resolve every transmission jolt. If a shifting issue remains after servicing, the transmission's condition should be assessed before choosing a software adjustment.