045
.035 inch
size and gap of plugs
The exact Gap size is .045 I have the same car :^)
0.35
.060"
.031 in
The correct gap is .044
69cm
0.43
The specs on NGK brand spark plugs for 1985-1993 BMW 535i lists the gap at 0.028. Hope that helps.
gap 45
When changing the spark plugs of a vehicle a person has to gap the plugs at the right size. The spark plug gap for a 2003 Heritage Softail is .036 inches.Ê