DETROIT (NEWSnet/AP) — BMW is recalling a low number of SUVs in the U.S. because the driver's air bag inflators can explode in a crash, hurling shrapnel and possibly injuring or killing people in the vehicles.

U.S. auto safety regulators said the recall covers 486 X3, X4 and X5 SUVs from the 2014 model year that are equipped with air bags made by Takata Corp. of Japan.

The recall raises questions about the safety of about 30 million Takata inflators that are under investigation by National Highway Traffic Safety Administration. Most have not been recalled.

Takata used volatile ammonium nitrate to create a small explosion to inflate air bags in a crash. But the chemical can deteriorate over time when exposed to high temperature and humidity. It can explode with too much force, blowing apart a metal canister and spewing shrapnel.

At least 26 people have been killed in the U.S. by Takata inflators since May 2009, and at least 30 have died worldwide including people in Malaysia and Australia. In addition, about 400 people have been injured.

In the BMW recall, dealers will replace the air bags at no cost to owners, who will be notified by letter starting Jan. 16.

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