Check the clearance "A" between the idle mixture quantity adjusting screw 1 and the throttle control lever, which should be within 3.0±0.2 mm.
If necessary, achieve the correct size with nut 3, after loosening lock nut 4.
Check the length "F" of the pneumatic actuator spring between the nuts, which should be 23 mm. If necessary, achieve the proper size with nut 5.
The original text of the article is available on the resource bmwman.ru