BMW 5251 Service Manual page 332

119-12
Lubrication
System
1
4
Support subframe from below using BMW special tool 31 2
220 and appropriate shop lift. Remove subframe mounting
bolts and lower subframe as far as possible.
Remove oil pan screws (arrows) at cylinder block and trans-
mission bellhousing. Lower and remove oil pan.
NOTE-
I f oil pan will not slide backwards, disconnect stabilizer bar
links and lower front axle support further.
If the oil pan does not separate easily from the engine cylin-
der block, a few taps with a rubber malletshould breakit free.
Do not pry the oil pan loose.
When installing oil pan:
Thoroughly clean all old gasket material from mating sur-
faces and use a new gasket.
Apply a small amount of non-hardening sealer
(3
Bond
1 2 0 9 8 or equivalent) to oil pan gasket directly below joints
(arrows) for end cover and front timing case cover. Apply
a bead 3 mm wide by 2 mm high.
Install all oil pan bolts finger tight. Tighten oil pan bolts to-
ward front of engine first, then pan bolts at transmission
end.
Tightening torques
Oil drain plug to oil pan (M12)
25
Nm
(18 ft-lb)
Oil pan to engine block
M G (8.8 grade)
MG
(10.9 grade)
M8 (8.8 grade)
10
Nm
(89 In-lb)
12 Nm
(9
ft-lb)
22
Nrn (16 R-lb)