AchtVier was a member of the Hamburg 187 street gang. After the crew released two samplers and Bonez MC released his first solo album, AchtVier followed with his solo debut Fern in 2011. Already in 2012 he was working on tracks for a second album, which was completed in 2013 and released on June 14 . It entered the German charts at number 39. On December 12, the separation from the 187 street gang was announced[4]. In 2014 he released his first release that was not published by Toprott Muzik GmbH. The album prosperity entered the German album charts at number 19 and was also placed in Switzerland. It featured no guest contributions from his former 187 Strassenbande colleagues. However, he appeared in a Bonez MC video blog and emphasized in an interview that while there was no dispute, there was probably no further collaboration either. In 2016, AchtVier founded his own label Steuerfreimoney. Among other things, he signed the Hamburg rapper TaiMO and, since 2018, Stanley.