Z Series E85 Z4 3.0Si (N52) ROADST
Bearing classification (1) in crankcase as per table (values of
A/B/C).
Installation:
When all the letters and number code have been determined, the
bearing shell colour must be allocated, see table.
Important!
Engine damage will result if a small bearing play is
determined.
The colour combination Yellow and Red must not be fitted.
Possible colour combinations, see table.
(A1) Bedplate / Yellow
(B1) Bedplate / Yellow
(C1) Bedplate / Green
(A1) Crankcase / Yellow
(B1) Crankcase / Green
(C1) Crankcase / Green
(A2) Bedplate / Green
(B2) Bedplate / Green
(C2) Bedplate / Green
(A2) Crankcase / Yellow
(B2) Crankcase / Green
(C2) Crankcase / Red
(A3) Bedplate / Green
(B3) Bedplate / Red
(C3) Bedplate / Red
(A3) Crankcase / Green
(B3) Crankcase / Green
(C3) Crankcase / Red
Insert all bearing shells (2 and 3).
Important!
Clean sealing surfaces.
Do not clean sealing faces with a metal-cutting tool.
Clean sealing faces with special tool 11 4 470 only.
Determine bearing play with special tool 00 2 590 .
Installation:
All measuring points must be free from oil and grease.
Use used screws to determine bearing play.
Set up bedplate with bearing shells.
Remove bedplate.
Read off bearing play at width of flattened plastic thread and
measurement scale.
Crankshaft bearing clearance radial.
Installation:
Remove plastic thread.
Apply a light coat of oil to bearing shells and crankshaft.
RA Replacing all crankshaft main bearings (N52)
BMW AG - TIS
16.02.2013 21:58
Issue status (12/2007) Valid only until next DVD is issued
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