Bonnier continued to enter the Cooper during , but under the Joakim Bonnier Racing Team banner. The season was marginally more productive than the previous year, with Bonnier scoring Championship points in Germany and the US. In Bonnier started the season with the aging Cooper, but this was rapidly replaced by the unique, ex-works McLaren-BRM M5A for the majority of that year's races. At the final race of the season, the 1968 Mexican Grand Prix, Honda offered Bonnier the use of a spare RA301 when the McLaren's BRM engine failed during practice. It was with the Honda that Bonnier scored his eponymous team's best World Championship result: fifth.