BMW Genuine Rear Wiper Blade Arm Cover Cap for 5 X5 Series E39 E53 540i 3.0i for 525i 528i 540i X5 3.0i X5 4.4i X5 4.6is X5 4.8is BMW Genuine Cover for Wiper Arm Nut Rear. Manufacturer Warranty: 12 months / 12000 miles Please see Product Description below for compatible models.