Description Reviews MINI Cooper Gen 1 valve cover gasket. We have discovered that the valve covers are prone to leaking if the gasket shrinks due to heat. Replacing this gasket is a simple and inexpensive way to repair any problems caused by a faulty seal. Remove the valve cover, clean the oil and set the new gasket into place. The new gasket will seal correctly and help you to motor for many more miles to come! For another option take a look at the Fel-Pro valve cover gasket.