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General rule of thumb:
The length of thread engagement in a steel nut should be equal to or greater than one full diameter of the bolt.
m12 1.25
m12=12mm
1.25x8(turns)=10mm
Answer=no
Many people run 5mm... and the real answer can be found if you were an engineer and knew what material the lug nuts/studs were made out of and did some formulas.
^edit... On other cars that have m12 1.5, 8 turns would be 12mm of engagement.
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