For 2007-2013 BMW X5 (E70). Type : Tensioner Pulley. ③ Locate the belt tensioner and belts, loosen the tensioner and remove the old components. For 2007-2009 BMW X5 4.8i N62B48B 4799 261 6A/MT. ⑤ Reset the shielding components and check the tensioner function and belt fit.