Auto component major Bosch Group has formed a Rs 35 crore jointventure with Germany's Mann+Hummel for development and production of filters for the Indian as well as export markets.The JV, in which both the partners hold 50% stake each, will produce fuel filter systems as well as oil, fuel, air and cabin filters at Tumkur in Karnataka. The JV plans to start production by mid-2006 with some 350 associates.Bosch Group owns the shares through its subsidiaries Robert Bosch Investment Nederland and Motor Industries Company (MICO). Mann+Hummel filter private, a subsidiary of Mann+Hummel holds the other partner'sshares."The company will focus primarily on the Indian market to provide optimum support with applications and supply of original equipment to the rapidly growing local automotive industry," a company statement said.It said the filters will be made available to the automotive after-market, workshops and for industrial applications.