This resulted in a much better handling car, and for the 1961 Formula One season BRM based their chassis designs on the Mark II.

At the Dutch Grand Prix, Hill finished a respectable third behind the Coventry Climax engined Cooper and Lotus of Jack Brabham and Innes Ireland.

Sadly, Gurney's rear brake failed on the entry to Zandvoort's first hairpin; his BRM rolled into the stands, killing one spectator and injuring several others.

After the Zandvoort disaster, BRM scored just once more with Bonnier in the United States Grand Prix.

Dan Gurney won the 1961 Victorian Trophy at the Ballarat Air Strip circuit in Victoria, Australia driving a P48.