The station, established in 1983, is currently owned by Rio Grande Bible Institute, Inc. KRIO-FM broadcasts a Spanish-language Christian radio format.

[5] In November 1996, Grant Communications Group, Inc., applied to the FCC to transfer the license for this station to Timon Auto & Equipment Leasing Corp.

In November 2004, Horizon Broadcasting, Inc., reached an agreement to sell this station to Border Media Partners LLC, through their wholly owned BMP RGV License Company, LP, subsidiary.

In January 2008, Border Media Partners LLC, through their BMP RGV License Company, LP, subsidiary, reached an agreement to sell this station to Rio Grande Bible Institute, Inc.

[9] In September 2008, the FCC approved the Rio Grande Bible Institute's application to flip KBMI from a commercial station to a non-commercial educational license, operated and programmed remotely under a main studio waiver.