LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> BMW >> 2017 >> 530i >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Engine - Pistons/Counterbalance Shafts - Repair (G30) >> 11 25 Piston With Rings And Bolts >> 11 25 671 Replace the piston rings for all pistons (piston removed) (540i xDrive, 2017-2020) >> Check side clearance of piston rings

Check side clearance of piston rings

Check 

TECHNICAL DATA - CLEARANCE OF UPPER PISTON RING SPECIFICATION

Side clearance of upper piston ring
Clean all components before measuring the side clearance.   0.035 mm... 0.085 mm
G11645042Courtesy of BMW OF NORTH AMERICA, INC.

Result 

» Side clearance outside tolerance

Measure

Check 

TECHNICAL DATA - CLEARANCE OF CENTER PISTON RING SPECIFICATION

Side clearance of center piston ring
Clean all components before measuring the side clearance.   0.015 mm... 0.06 mm
G11645042Courtesy of BMW OF NORTH AMERICA, INC.

Result 

» Side clearance outside tolerance

Measure