BMW 5251 Service Manual page 94

Engine Removal and Installation
Tightening torques
ATF
cooler lines to radiator
(use new O-rings)
M I 8 cap nut
20 Nm (15 ft-lb)
M22 cap nut 22 Nm (17 ft-lb
Coolant drain plug to cylinder blocic (M14)
25 Nm (18 ft-lb)
Engine mount to engine bracket or
47 Nm (35 ft-lb)
subframe (M10)
Exhaust flange nuts
(8
mm) 25 Nm (18 ff-ib)
Radiator cooling fan to coolant pump 40 Nm (30 ft-lb)
(left-hand threads)
Radiator drain screw to radiator 2.5 Nm (22 in-lb)
Wirino to alternator (ME nut)
13 Nm (9.5 ft-lb)