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Home >> BMW >> 2013 >> Z4 28i, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1430 (Engine - Technical Data (N55, 2013-)) >> Crankshaft And Bearings >> 11 21 Main bearing journal 1 (N55)

11 21 Main bearing journal 1 (N55)

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CRANKSHAFT AND BEARINGS SPECIFICATION

Grinding stage of main bearing journals   Main bearing journal number 1
Original (identification mark S/1) mm 55.989... 55.983
Original (identification mark S/2) mm 55.982... 55.977
Original (identification mark S/3) mm 55.976... 55.970
Crankshaft bearing play, radial mm 0.020... 0.046
Max. permitted runout at main bearing journal mm 0.15