Measuring piston

NOTE: The description is for one component only. The procedure is identical for all further components.

Check

Position micrometer in area (A) and measure piston installation clearance transversely to piston pin.

TECHNICAL DATA - PISTON DIAMETER SPECIFICATION

Piston diameter
Measure the piston diameter at distance (A) from the lower end of the piston skirt. Courtesy of BMW OF NORTH AMERICA, INC.	Distance (A) to the lower end of the piston skirt
	10mm
	Nominal dimension of piston diameter
	81.958 mm... 81.996 mm

Courtesy of BMW OF NORTH AMERICA, INC.

Result

» Piston does not correspond to the specifications.

Measure