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Sauber will use Ferrari's updated Formula 1 turbocharger for the first time at next month's British Grand Prix at Silverstone, Autosport has learned.

Ferrari introduced the update for its works team in Canada, using two of its engine development tokens and leaving just four of the original 32 remaining.

It did not initially make the update available to its customers Sauber and Haas.

Team boss Gunther Steiner said in Baku that his Haas team would run the new turbocharger at Silverstone and it has emerged Sauber will also do the same.

Sauber also plans to introduce minor aero updates in Britain and is targeting the following race in Hungary for the introduction of its new front wing and rear wing.

Sauber team principal Monisha Kaltenborn continues to work on talks with prospective new sponsors in a bid to improve the squad's financial situation.

Cashflow problems have led to staff being paid late this season while there has been no development on the car given the lack of available funds.

Felipe Nasr equalled Sauber's best performance of the season in Baku with 12th, beating the Haas and Renault drivers and finishing not far behind Jenson Button's McLaren.

The performance provided a much needed morale boost to Sauber's employees.

"In Baku, we could fight more and we were more competitive towards teams around us," Kaltenborn told Autosport.

"From that perspective, the drivers did a fine job.

"The result was a boost as it's difficult to keep up the motivation.

"This gets everyone together again and says 'no, we can still do it'.

"There are positive signals, which are good for the team.

"We are working on getting things on track still and that will make the car better to drive for the drivers.

"We'll follow our way to make the team more stable again."