Set the wheel with the valve down (bottom arrow, fig. 15.8). Apply alignment marks (chalk, water-based paint) on the wheel tyre, if several wheels are removed at the same time. Mark the position of the wheel relative to the hub. Mark the position of the bolt with «secret» regarding the wheel (top arrow). Loosen wheel bolts and remove wheel.
![](https://www.bmwman.ru/img/x5/1743.jpg)
Attention! Use only wheel bolts with a separate cone in their central part.
When installing the wheel, the contact surfaces of the brake disc and wheel disc, as well as the brake disc and wheel hub, must be degreased with an all-purpose cleaner (type of white spirit or industrial alcohol).
If there are traces of grease in the area of the wheel bolt holes, the brake disc must be removed and cleaned.
Do not lubricate new wheel bolts. To loosen and tighten the wheel bolts, use only man-power wrenches.
Using fixture «36.1.250», remove dirt, grease residues and traces of corrosion from the contact surface (1, fig. 15.9) brake disc and wheel disc.
![](https://www.bmwman.ru/img/x5/1744.jpg)
Check screw position (1, see fig. 11.27) brake disc mounting.
![](https://www.bmwman.ru/img/x5/1745.jpg)
In no case should the screw protrude beyond the mating plane of the brake and wheel disks. Lightly grease the centering element (1, fig. 15.10) wheel disk.
![](https://www.bmwman.ru/img/x5/1746.jpg)
Before installation, clean the wheel bolts and check the condition of the thread, thread damage is unacceptable. Bolts that show signs of corrosion must be replaced.
Attention! For used wheel bolts, lightly grease threaded and taper parts before screwing in (pic. 15.11) engine oil.
![](https://www.bmwman.ru/img/x5/1747.jpg)
The rim must lie evenly on the brake disc.
For loosening and tightening bolts with «secret» use the adapter included in the device «36.1.300».
Screw in wheel bolts (pic. 15.11) and hand-tighten them in a criss-cross pattern to center the rim. lower car (put on wheels), load it by swinging in a vertical plane.
![](https://www.bmwman.ru/img/x5/1748.jpg)
Check wheel position (arrows, fig. 15.12) and tighten the wheel bolts (M14) in a cross order with a torque wrench with a torque of 140.0±10 N·m (14.0±1.0 kgf·m).