bmw Workshop Repair Guides

BMW Workshop Service and Repair Manuals

25 Piston With Rings And Pin > < 1 RA Replacing All Conrod Bearings
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Caution!

Do not turn the connecting rods or crankshaft.

Use the old connecting-rod bolts to check connecting-rod
clearance.

Tighten down conrod screws with special tool 00 9 120 or
special tool 11 2 110, respectively.

Tightening torque,

refer to Technical Data 11 24 1AZ

Removing bearing cover and reading off bearing clearance,

refer to Technical Data, 

on width of pinched plastic thread with the help of the measuring
scale.

Remove plastic thread.

Summary:

Colour code / shaft diameter / bearing strength

Rt = red

Bl = blue

1. 

Crankpin

2. 

Bearing clearance

3. 

Bearing shells: red or blue

4. 

Conrod

RA  Replacing all conrod bearings

BMW AG - TIS

05.02.2013  13:29

Issue status (12/2007) Valid only until next DVD is issued

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25 Piston With Rings And Pin > < 1 RA Replacing All Conrod Bearings