Mia Julia Brückner was born in Gilching, Bavaria, West Germany, on 9 December 1986.

[3] She had previously attended several swinger clubs together with her husband Peter, a former insurance agent, who later became her manager and an occasional actor in her films.

[3] Magma's life-size image appeared at the 2011 24 Hours Nürburgring on a BMW touring car sponsored by pornographic company Magmafilm, and she even attended the event as a special guest.

[5] In late 2011, Magma also appeared on the K.I.Z music video of the song "Fremdgehen", and featured a series of commercials for the airline Germanwings.

[6][7] In September 2012, Magma announced her retirement from pornography to pursue a career in music and television with the new stage name Mia Miya.