The Spanish and Monaco Grands Prix saw the Mexican qualify second and ninth respectively and retire both times when he crashed.

The British Grand Prix saw the Mexican qualify 13th and retire when his engine blew.

At the end of the year, despite Rodríguez's good performances, BRM team manager Louis Stanley released him to the Reg Parnell Racing privately entered BRM team for 1969.

The first race of the year was the South African Grand Prix when the Englishman qualified 14th and finished 7th.

The Monaco Grand Prix saw him qualify 13th and retire when he crashed into the back of Richard Attwood's Lotus.