Bernie Ecclestone has warned engine suppliers they need to ensure customers are receiving the same specification power units as the manufacturer teams.
Mercedes has been dominant under the new V6 regulations, despite supplying its power unit to Williams, Force India and McLaren last season. At the start of this year, the 2014 constructors' champions appeared to have extended its advantage over the rest of the field in Melbourne, which led to some customers questioning whether it has the same power unit as the factory team.
While Ferrari has since shown itself to be a challenger to Mercedes, Ecclestone says he wants any future regulation changes - which have been discussed over the Bahrain Grand Prix weekend - to ensure customers are receiving the same equipment.
"The two things that have to happen are whoever supplies engines to the teams has to supply the same engine as they current use," Ecclestone said. "If it’s going to be the current engine, upgraded to 1,000bhp, good. And they need to supply them at a price that the teams can afford to pay."
Asked what 1,000bhp will add to the show, Ecclestone replied: “We need to make the cars more difficult to drive."
Click here for a look at the brake-by-wire system which caused Mercedes problems in Bahrain
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