He is best known for winning the title at the 2007 European Championships in the men's – 56 kg division, defeating Vitali Dzerbianiou (second) and Igor Grabucea.

At the 2008 European Championships he defeated Halil Mutlu and won gold medal with body weight, but later revealed he used metandienone.

After he return, he won silver medal at the 2013 European Championships,[3] but failed doping again.

According to the IWF rules, after the second doping violation Bour was banned for life by the IWF.

This biographical article relating to weightlifting in Moldova is a stub.