Since 2010, BMW has sold a GT3 version of its Z4 roadster for endurance racing. The problem is that the Z4 is a car of diminishing relevance. Sales of roadsters aren’t where they used to be, and the customer base of the Z4 might be somewhat farther removed from the racing scene than owners of […]
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The BMW M6 GT3, a More Worthy Race Car than the Z4
