[3] He was the chief of Design for the Mini division of BMW, but resigned in July 2016.

The most often criticized design element was the front end, something many people called a 'fish mouth' due to its large oval grille and lip-like black plastic trim.

After leaving Mini, he joined Borgward and later started his own design firm.

Hengchi is the brand of China Evergrande New Energy Vehicle Group Limited (a subsidiary of Evergrande Group)[4] Warming studied at Art Centre College of Design Europe, Vevey, Switzerland and also the campus in Pasadena, California.

On 1 October 2024, he was appointed as the head of Designworks and BMW Group Advanced Design.