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As everyone else, always only watched it for Ed China, really. Goes into somewhat good detail on what he is doing, but never over complicates things or does flashy things for the camera.
Ed China for Top Gear?
No doubt the vehicles are checked out before they appear on the show so they know what needs fixing before Mike's test drive to find all the problems.
Wheeler Dealers started off good, but became less and less credible. Much prefer Car SOS, For The Love of Cars etc.
For what it's worth, Edd was the only part of the show worth watching watching. Mike Brewer is terrible.