TreadCompass

BMW 635CSi Lug Nut Torque

The 1985–1989 BMW 635CSi lug nut torque is 80 ft-lbs (108 N·m).

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BMW 635CSi · 1985–1989

Lug nut torque
80ft-lbs108 N·m
Same spec for every year 1985–1989.
  • ✓ 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 635CSi

Compare prices across retailers for your size.

225/50R161985–1989 · Compare prices →205/70R141985–1987 · Compare prices →225/60R151989 · Compare prices →245/40R171988 · Compare prices →

Other BMW models

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BMW 635CSi lug nut torque FAQ

What is the lug nut torque for a BMW 635CSi?

The 1985–1989 BMW 635CSi 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 635CSi trims use the same lug nut torque?

Yes. Every 635CSi trim in our database uses the same lug nut torque for a given model year.

Has the BMW 635CSi lug nut torque changed over the years?

No. It has been 80 ft-lbs (108 N·m) for every model year we have, 1985–1989.

What size tires come on the BMW 635CSi?

Factory tire sizes include 225/50R16 (1985–1989), 205/70R14 (1985–1987), 225/60R15 (1989) and 245/40R17 (1988). 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.