M3; Lower; 52.75mm/+.25

M3; Lower; 52.75mm/+.25

M3; Upper; 53.00mm

M3; Upper; 53.00mm

M3; (0)

M3; (+0.20)

M3

M3; Cylinders 1-4; (0)

M3; Cylinders 5-8; (0)

M3; Cylinders 1-4; (+0.20)