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11 14 151 Replacing Crankshaft Radial Seal On Transmission Side (N63)

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IMPORTANT: The Radial Crankshaft Seal Can Only Be Replaced Completely with the End Cover.
The Radial Crankshaft Seal Is An Integral Part of The End Cover and Can Not Be Replaced Individually.

Necessary Preliminary Tasks: 

Release Screws (1).

Unfasten Screws (2).

Carefully Remove End Cover with Radial Crankshaft Seal.

Fig 1: Identifying Screws
G09873626Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Support Bush (2) Is Included In Delivery Specification.
If The Radial Crankshaft Seal (1) Is Stored for More Than Six Months Without The Support Bush (2), Its Operational Reliability Will No Longer Be Guaranteed.
Radial Crankshaft Seal (1) Must Not Be Reused In This Eventuality! 
Support Bush (2) Remains In The Radial Crankshaft Seal (1) and Is Used As A Slip Bush During Described Installation Described Below.
IMPORTANT: The Sealing Lip of The Radial Crankshaft Seal (1) Is Highly Sensitive and Must Not Be Kinked.
Do Not Touch The Sealing Lip with Your Fingers.
Fig 2: Identifying Support Bush and Radial Crankshaft Seal
G09873627Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Special Tool 11 2 390 Must Not Be Used.

When The Radial Crankshaft Seal Is Installed, Only The Support Bush Included In The Delivery Specification May Be Used As A Slip Bush.

Fig 3: Caution for Radial Crankshaft Seal Installation
G09873628Courtesy of BMW OF NORTH AMERICA, INC.

Installation Note: 

Check Fitting Sleeves (1) for Damage and Correct Installation Position.

Clean Sealing Surface (2) So That It Is Free From Oil and Grease.

Coat Contact Points On Joint Along Oil Sump (See Arrows In Illustration) with Drei Bond 1209.

Fig 4: Identifying Sealing Surface and Fitting Sleeves
G09873629Courtesy of BMW OF NORTH AMERICA, INC.

Installation Note: 

Lightly Oil Running Surface of Crankshaft.

Fit End Cover (1) with Support Bush (2) On Crankshaft and Push On Carefully.

NOTE: Picture Shows (N62Tu).
Fig 5: Fitting End Cover with Support Bush On Crankshaft
G09873630Courtesy of BMW OF NORTH AMERICA, INC.

Insert Screws (2) and Initially Tighten Without Play.

Insert Screws (1) and Initially Tighten Without Play.

Tighten Down Bolts (2) From Inside Outwards.

Tighten Down Screws (1) From Inside Outwards.

Tightening torque 11 14 4AZ .

Fig 6: Identifying Screws
G09873631Courtesy of BMW OF NORTH AMERICA, INC.

Assemble Engine.

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