BMW fixes security flaw in its in-car software

German luxury carmaker BMW has fixed a security flaw that could have allowed hackers to unlock the doors of up to 2.2 million Rolls-Royce, Mini and BMW vehicles, it said on Friday. BMW said officials at German motorist association ADAC had identified the problem, which affected cars equipped with the company's ConnectedDrive software using on-board SIM cards — the chips used to identify authorized users of mobile devices. BMW drivers can use the software and SIM cards to activate door locking mechanisms, as well as a range of other services including real-time traffic information, online entertainment and air conditioning.

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