Pourmohseni Hadi said he was so fed up with his BMW M6 after more than four years of problems that he staged a bizarre rage-fueled protest by smashing up the car outside the world’s biggest motor show – the annual Frankfurt Auto Show. He claims that he has had to deal with persistent problems including vibrations, rattling and shifting jolts during gear changes. He said: ‘BMW Italia and the Munich headquarters have pushed the responsibility back and forth. I have written BMW a letter – no response. Now I answer! With this action!’ A BMW spokesman has reportedly said the company would look into Mr Hadi’s case.