BMW X5: Wheel And Tires

 Bolts

Although, the N54 engine has an all aluminum crankcase, many of the bolts are still aluminum as on the N52. This is to reduce any potential confusion between steel and aluminum bolts. Some bolts, for example, are steel such as the cylinder head cover bolts. This is possible, due to the plastic cy

 Airbags

Front airbag, driver Front airbag, front passenger Head airbag Side airbag In the rear Side airbag Knee airbag Front airbags Front airbags help protect the driver and the front passenger by responding to frontal impacts in which safety belts alone would not provide adequate protection. Side