Be funny if it's something stupid like the rocker shaft came loose.... had a friend right a renault.. great car but the rockers would pretty much fall off every couple of months :) just got in the habit of checking em
My brother flips Mini-Coopers. Plastic timing chain gears break and one of the valves (same one) goes at about the 100,000 mile mark. Just working evenings he gets them up and going in about 3 - 4 weeks. Only works certain years and only the S