LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> BMW >> 1987 >> 325is Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engines >> Engine Specifications >> Piston/Pin/Ring Specifications
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Piston/Pin/Ring Specifications

PISTONS, PINS & RINGS SPECIFICATIONS

Application In. (mm)
Piston Clearance .0004-.0016 (.01-.04)
Pins
Piston Fit n/a
Rod Fit Push Fit
Rings
Ring No. 1
End Gap .012-.020 (.30-.50)
Side Clearance .0016-.0028 (.040-.072)
Ring No. 2
End Gap .012-.020 (.30-.50)
Side Clearance .0012-.0024 (.030-.062)
Oil Ring
End Gap .010-.020 (.25-.50)
Side Clearance .0008-.0017 (.020-.042)