Günther's two sons inherited his $135 million fortune when he died in 1954. Herbert used his ill-gotten gains to purchase a majority stake in the struggling BMW car group in 1960 - effectively saving it from bankruptcy and turning it into a cash cow for his beneficiaries. His heirs (worth an estimated $38 billion) are the richer branch of the Quandt dynasty. His brother Harald's heirs are worth $18 billion