The Autosport International Show has been running for 22 years, it is Europe's biggest motorsport exhibition.
The show takes 14 months to organise, with big industry names such as Sir Jackie Stewart showcasing his collection, and Formula One presenter Jake Humphrey.
It runs for four days at Birmingham's NEC and the organiser says there are many reasons why they keep bringing it back to Birmingham, now in its 21st year.
The organisers say it is estimated over the four days £800 million is generated for the motorsport economy.
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It will be another misty and cloudy start to the day.
Another rather cloudy day, with the easterly wind continuing to bring low cloud in from the North Sea.
Some mist and hill fog tonight. Brightening up on Thursday.