
The ride reopened on Augafter modifications were made to make it reliable. It was discovered that one of the coach seats that flipped riders was not moving smoothly. X was closed indefinitely in June 2002 due to issues with the trains. The manufacturer had lost millions of dollars on the project.

A month before opening, Arrow Dynamics filed for Chapter 11 bankruptcy due to the ride's misjudged costs stemming from Six Flags asking for a much larger ride than Arrow had successfully prototyped (This is covered in the 2016 documentary The Legacy of Arrow Development). X opened for passholders on December 24, 2001, and officially opened on January 12, 2002.

The ride was planned to open in the summer of 2001, but the opening was delayed when it suffered design flaws. X was a prototype 4th Dimension roller coaster by Arrow Dynamics.

This would bring the total to 15, beating the world coaster capital, Cedar Point. On December 19, 2000, Six Flags Magic Mountain announced that it would be adding three roller coasters for the 2001 season as part of a $30 million expansion: Déjà Vu, Goliath Jr. An overview of the track when the ride was known as X.
