Upmarket German car maker BMW is aiming to increase unit sales next year following a fall this year resulting from supply chain problems with computer chips and the effects of the war in Ukraine, chief financial officer Nicolas Peter said on Monday. Speaking during a video conference with journalists, Peter predicted a “slight” rise of between 1% and 5% in unit sales, driven primarily by an increase in sales of electric vehicles. Peter predicted sales of fully electrically powered cars would rise to 400,000 vehicles next year based on a positive order situation. For this year, sales in this se…