sentences:  In 1976 Luthe succeeded Paul Bracq as chief designer with BMW, and began to move the Bavarian manufacturer's designs in a more creative, stylish direction.At the time, the company offered a full line of products, from the E21 3 Series to the E23 7 Series, all with relatively conservative designs developed under Bracq's direction.Luthe, then, was tasked with developing a facelift for the aging E12 5 Series within a budget of USD 100 million.