3 Series E46 M3 (S54) COUPE
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Replacing all conrod bearings (S54)
(piston removed)
Caution!
The S54 engine has two types of conrod with different conrod
bolts.
Differentiating features:
A
Conrod bolt with M11x1.25 thread
Bolt head: bihexagonal 12 mm A/F
B
Conrod bolt with M10x1.25 thread
Bolt head: Torx E12
Caution!
The procedure for replacing the conrod bolts and the
tightening specifications are different.
Mixing up the procedure for replacing the conrods and conrod
bolts and the tightening specifications will result in serious
engine damage.
Caution!
Note grinding stages on crankshaft.
Note:
Classified conrod bearing shells color-coded "Yellow and Green"
are installed in the model series.
The classification is removed when the conrod bearing shells are
replaced.
•
Install conrod bearing shells (1) color-coded "Blue" in conrod
at top.
•
Install conrod bearing shells (2) color-coded "Red" in conrod
at top.
Install piston.
RA Replacing all conrod bearings (S54)
BMW AG - TIS
16.02.2013 12:38
Issue status (12/2007) Valid only until next DVD is issued
Copyright
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