Béla Lőwig started boxing as a lightweight and welterweight with the Lapterjesztők SC. In 1923 he turned professional for a short time, but reverted back to amateur status in 1924 as a member of Terézvárosi TC. Lőwig took part in the 1924 Olympics, and the 1924 and 1925 Europa Championships, and was a member was a member of the Terézvárosi team that won the national team title in 1926.
In 1927, Lőwig was banned for six months because of violations against officers of the Hungarian Boxing Association, but he stopped boxing completely after the ban was lifted. Two years later he returned as a professional boxer, and in 1934 he changed his name to Béla Tarján Löwig.
In the 1940s, Löwig once again returned to the amateur ranks with MAC. In addition to his sporting career, Lőwig worked as a bodyguard forof the fascist Hungarian Prime Minister, Ferenc Szálasi. In 1946 Löwig was sentenced to three years in prison.