BMW 1800 Tisa, 2nd overall , 24h Spa 1964, Hubert Hahne (D) /
Rauno Aaltonen (SF). 1964 was the very first 24h race for touring cars in Spa.
One year later Hubert Hahne would lead with Willy Mairesse in their BMW 1800 Tisa the race over nearly the full distance, but retiring in the very last hour with a broken flywheel.