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Home >> BMW >> 2011 >> Z4 35is >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine - Technical Data (N52)) >> Crankshaft And Bearings N52K/B30 >> 11 21 Crankshaft and Bearings N52K B30

11 21 Crankshaft and Bearings N52K B30

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CRANKSHAFT AND BEARINGS SPECIFICATION

Grinding stages, crankshaft guide bearing    
Standard mm 24.0 F8
Crankshaft axial play mm 0.060... 0.250


CRANKSHAFT AND BEARINGS SPECIFICATION

Ground sizes of main bearing journals   Guide bearing journal
Original (designation S1) mm 64.998... 64.993
Original (designation S2) mm 64.992... 64.987
Original (designation S3) mm 64.986... 64.981
Crankshaft bearing clearance, radial mm 0.020... 0.046
Max. permitted runout at centre crankshaft journal mm 0.150