Determining the classification of the crankshaft main bearing shell

NOTE: TECHNICAL INFORMATION
The main bearing shells and guide bearing shells are classified by numbers.
Observe the classification of the main and guide bearing shells.

Read off the code letters on the crankcase .
K = Clutch side

Item numbers (7) to (1) describe the bearing seats 7 to 1. The code number is located on each of the crankshaft bearing caps.

Courtesy of BMW OF NORTH AMERICA, INC.
Read off the code letters on the crankshaft .
K = Clutch side

Item numbers (1) to (7) describe the bearing seats 1 to 7. The code number is located on each of the crankshaft bearing caps.

Courtesy of BMW OF NORTH AMERICA, INC.
Enter the code letters of the crankcase and the code letters of the crankshaft .

	Code letter on the crankcase	Key performance indicator on the crankshaft
Bearing seat 1
Bearing seat 2
Bearing seat 3
Bearing seat 4
Bearing seat 5
Bearing seat 6
Bearing seat 7

Check

Result

» All code letters are to be found in the table.

Measure

Determine the classification of the main guide bearing shells based on further information. See:
TABLE FOR CLASSIFYING MAIN BEARING SHELLS 1, 2, 3, 5, 6 (B58TU1)

TABLE FOR CLASSIFYING GUIDE BEARING SHELL 4 (B58TU1)

TABLE FOR CLASSIFYING MAIN BEARING SHELL 7 (B58TU1)