TreadCompass

BMW 3.0CS Lug Nut Torque

The 1973–1975 BMW 3.0CS lug nut torque is 80 ft-lbs (108 N·m).

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BMW 3.0CS · 1973–1975

Lug nut torque
80ft-lbs108 N·m
Same spec for every year 1973–1975.
  • ✓ Tighten in a star pattern, in two passes, with a torque wrench (not an impact gun)
  • ✓ Re-check the torque after the first 50–100 miles
  • ✓ Confirm against your owner’s manual; aftermarket wheels can differ

Source: TreadCompass vehicle fitment database. Page updated November 2026. Specs can vary with aftermarket wheels and lug hardware, so always confirm with your owner’s manual.

Factory tire sizes for the BMW 3.0CS

Compare prices across retailers for your size.

175/80R141973–1975 · Compare prices →

Other BMW models

1 Series M3.0CSi3.0S3.0Si128i135i135is228 xDrive Gran Coupe228i228i Gran Coupe228i xDrive228i xDrive Gran CoupeAll BMW models →

BMW 3.0CS lug nut torque FAQ

What is the lug nut torque for a BMW 3.0CS?

The 1973–1975 BMW 3.0CS lug nut torque is 80 ft-lbs (108 N·m). Tighten in a star pattern with a torque wrench, then re-check after the first 50–100 miles.

Do all 3.0CS trims use the same lug nut torque?

Yes. Every 3.0CS trim in our database uses the same lug nut torque for a given model year.

Has the BMW 3.0CS lug nut torque changed over the years?

No. It has been 80 ft-lbs (108 N·m) for every model year we have, 1973–1975.

What size tires come on the BMW 3.0CS?

Factory tire sizes include 175/80R14 (1973–1975). Check the sidewall of your current tires to confirm yours, then compare prices for that size above.

New to torquing wheels? See how to torque lug nuts and common questions.