BMW Searching for Tester

BMW-Sauber has asked Marko Asmer to test again, with the German team yet to appoint a replacement for departed third driver Timo Glock.The 23-year-old Estonian ran for the Swiss based team last month at Jerez, and was significantly faster than his main competitor for the official test and reserve position in 2008, Spanish GP2 race winner Javier Villa.