Sauber boss Monisha Kaltenborn says F1 needs to learn that bringing any changes to the regulations will 'lead to higher costs'.

Though the latest generation engines, V6 hybrid power units, have been praised for their advancement in technology, they have consequently driven up the price of development, which has had a damaging effect on customer teams, most notably Sauber, Force India and Lotus.

However, Bernie Ecclestone has raised concerns that the current power units don't capture the imagination in the same way that more marketable 1000bhp V8 engines do and is subsequently pushing for change as early as 2017.

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Though he looks set to relent to allow 1000bhp to be generated from the current V6 engines, Kaltenborn is worried that yet more regulation changes will hit hard in the pocket for the more vulnerable teams yet again.

"I think we really, finally, have to learn - and I don't know how long it will take to learn - that all such changes lead to higher costs. We've seen that in the past with the powertrain - that's the biggest cost driver we have had recently - and I think we really need to get things more affordable because races like this show you how exciting it can be.

"There was enough action going on in the race and people like to comment on that as well, so that's what we really need to target and not just to see what, technically, we can do and who has more of an advantage and who has to give up more."

Indeed, Kaltenborn believes greater priority should be given to driving down costs - rather than focusing on engine regulation -, saying that all teams could lose out in some areas, the sport will benefit overall.

"These are the wrong discussions that we are having and I think we should simply say that costs must go down. Everybody will lose something, not just one party - some will lose more, some will lose less, but at the end of the day we will all