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Home >> BMW >> 2021 >> X3 xDrive30i >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Pistons, Piston Rings, Counterbalance Shaft, Accessory Drive Belt & TENSIONER -- Repair (G01) >> 11 25 Piston With Rings And Pins >> 11 25 671 Replace the piston rings for all pistons (piston removed) (X3 4-cyl. models except PHEV, 2018-2019) >> Check side clearance of piston rings

Check side clearance of piston rings

Check 

G11645042Courtesy of BMW OF NORTH AMERICA, INC.
TECHNICAL DATA SPECIFICATION

Side clearance of upper piston ring 
Clean all components before measuring the side clearance. 0.07 mm... 0.11 mm

Result 

» Side clearance outside tolerance

Measure 

Check 

G11645042Courtesy of BMW OF NORTH AMERICA, INC.
TECHNICAL DATA SPECIFICATION

Side clearance of center piston ring 
Clean all components before measuring the side clearance. 0.07 mm... 0.11 mm

Result 

» Side clearance outside tolerance

Measure 

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