Sales of TT3D DVD exceeding expectation
Over 34,000 copies of TT3D: Closer to the Edge were sold in the first two days of its release.
CinemaNX, which produced the film, says it's delighted with the sales figures, which are exceeding all expectations.
The documentary following the 2010 races was released on DVD and Blu-ray on Monday.
It follows a theatre run which took over £1.25million at the box office, making it the third highest grossing British documentary of all time.