Launched in 1994 as the final evolution of the vaunted Testarossa, the F512 M, or Modificata , was to be the last Ferrari produced with the company’s legendary horizontally opposed 12-cylinder engine.

Every aspect of the model was refined from the previous version, with particular attention paid to the chassis, engine, and cosmetics.

Numerous internal engine upgrades, including titanium connecting rods and other lightened components, along with increased compression, helped bump engine output to 440 horsepower—a noticeable boost over the preceding 512 TR.

In total, just 501 F512 M examples were manufactured for worldwide distribution, making it one of the rarest road-going models produced during former Ferrari chief Luca di Montezemolo's reign.

Supplied new to Munich, Germany, this Modificata left Maranello in the firm’s classic hue of Rosso Corsa over black leather trim and equipped with the rarely seen, and über-supportive, carbon fiber seats with perforated red inserts.

As docu...