LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> BMW >> 2017 >> 530i >> Repair and Diagnosis >> 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) (M550i xDrive, 2018-2019) >> Measure side clearance of piston rings

Measure side clearance of piston rings

TECHNICAL DATA - CLEARANCE PISTON RING SPECIFICATION

Piston ring 1st groove A
Side clearance. 0.02... 0.07 mm
TECHNICAL DATA - GROOVE HEIGHT PISTON RING SPECIFICATION

Piston ring 1st groove H
Annular groove height. 1.21... 1.24 mm
G11645042Courtesy of BMW OF NORTH AMERICA, INC.
TECHNICAL DATA - CLEARANCE PISTON RING SPECIFICATION

Piston ring 2nd groove A
Side clearance. 0.015... 0.06 mm
TECHNICAL DATA - GROOVE HEIGHT PISTON RING SPECIFICATION

Piston ring 2nd groove H
Annular groove height. 1.51... 1.53 mm
TECHNICAL DATA - CLEARANCE PISTON RING SPECIFICATION

Piston ring 3. Groove-A DSF ring
Side clearance without spiral expander. 0.02... 0.06 mm
TECHNICAL DATA - GROOVE HEIGHT PISTON RING SPECIFICATION

Piston ring 3rd groove H
Annular groove height. 2.01... 2.03 mm