Switch off the ignition, remove the air duct (see above) and disconnect the plug (ShS, 1, see fig. 4.117) from the throttle body.
![](https://www.bmwman.ru/img/x5/0690.jpg)
Remove bolts (2) and remove the throttle body.
Check O-ring (1, fig. 4.118) on throttle body (2) that it is installed correctly and that it is not damaged, and if necessary, replace it.
![](https://www.bmwman.ru/img/x5/0691.jpg)
Attention! Lubricate the O-ring for ease of installation (3) lubricant to facilitate the sliding of rubber, such as technical vaseline.