BMW 5251 Service Manual page 327

Lubrication
stern/
Remove remaining seal carrier bolts
(arrows)
and carefully
remove seal carrier without damaging the oil pan gasltet.
CAUTION-
After removing seal carrier, checlc oilpan gasket for damage.
If gasket is damaged during removal, remove oil pan (as de-
scribed later) and replace gasket.
<
Remove old seal and install new seal into seal carrier using
BMW special tools 11 1 260 and 00 5 500.
NOTE-
A new radial seal is used from 4/98 production, and is the
only version available from BMW as a replacement. The
new sealno longer uses a spring to support the sealing lip.
Do not lcinlc or damage the sealing lip. Do not touch with
fingers.
* BMW offers the rear main seal carrier and seal in a l i t A
plastic support bushing, required for sliding the seal over
the crankshaft, is included with the lcit.
I
CAUTION-
1
Do not use BMW special tool 1 I 2 213 (mstallation guide)
with the new style seal. Use only the special tool supphed
with the seal lcit.
When reinstalling seal carrier to crankcase:
Check locating sleeves for damage.
Replace gasltet between rear main seal carrier and crank-
case.
Apply thin coat of 3 Bond 8 1209 or equivalent sealant to
oil pan gasket sealing surfaces.
* Lubricate crankshaft seal contact surface.
Use plastic support bushing (A) that comes with seal ltit as
an installation quide, fittina seal over end of crankshaft. Use
- -
care to push seal carrier and support bushing on straight,
without tilting sideways. Remove support bushing.
-
lnstall seal carrier bolts and torque to specifications.
4
Use new bolts
(arrows)
at base of seal carrier. Coat threads
with sealing compound before installing.
-
Install and tighten oil pan bolts.