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Home >> BMW >> 2017 >> M6 2D Convertible, Standard Trans >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine - Technical Data - F12 >> Crankshaft And Bearings >> N55 Engine >> 11 21 Main bearing journals 2, 3, 4, 5, 6

11 21 Main bearing journals 2, 3, 4, 5, 6

CRANKSHAFT AND BEARINGS SPECIFICATION

Ground sizes of main bearing journals   Main bearing journal numbers 2,3,4,5,6
Original (identification mark S/1) mm 55.999... 55.993
Original (identification mark S/2) mm 55.992... 55.987
Original (identification mark S/3) mm 55.986... 55.980
Crankshaft bearing clearance, radial mm 0.020... 0.046
Max. permitted runout at center crankshaft journal mm 0.15