M12/M400 OEM wheel torque settings
Discussion
FYI - I've aded the note below to the above Wiki FAQ re wheel torques.
I've always set at the factory recommended 120Nm / 88 ft/lb but thought I'd ring round when I got new tyres fitted recently. So there are no less than 3 "recommendations". I feel the wiki is incorrect and way to high and that Bespoke it too low - I'm happy with the factory settings (which happen to sit in the middle).
This made me think. The FAQ has been posted above for many years so lots of owners/garages may have followed the high settings. Could this have been the cause of the early wheel breakages I wonder
Your call as to which you choose
Torque settings
Wheel nut: 130Nm 95 ft/lb
BUT FOR THE WHEEL NUT TORQUES...
--- Noble Automotive states: 120Nm - 88 ft/lb
--- Bespoke Performance states: 102Nm - 75 ft/lb
Note entered 240517 following asking the above (AMG Merc)
I've always set at the factory recommended 120Nm / 88 ft/lb but thought I'd ring round when I got new tyres fitted recently. So there are no less than 3 "recommendations". I feel the wiki is incorrect and way to high and that Bespoke it too low - I'm happy with the factory settings (which happen to sit in the middle).
This made me think. The FAQ has been posted above for many years so lots of owners/garages may have followed the high settings. Could this have been the cause of the early wheel breakages I wonder
Your call as to which you choose
Torque settings
Wheel nut: 130Nm 95 ft/lb
BUT FOR THE WHEEL NUT TORQUES...
--- Noble Automotive states: 120Nm - 88 ft/lb
--- Bespoke Performance states: 102Nm - 75 ft/lb
Note entered 240517 following asking the above (AMG Merc)
Since having a wheel work lose on track (didn't fall off fortunately), I then adopted a 'proper tight' approach.
Then the opposite problem - stripped the thread on a wheel nut.
So since then I've always ensured that my wheel nuts are correctly torqued to 130Nm.
I would not be confident at all with a setting as low as 102Nm.
My BMW's official setting is 140Nm and we know that their wheels are fragile.
We only have 4, and not 5 wheel nuts - not much failsafe security if one works lose.
Then the opposite problem - stripped the thread on a wheel nut.
So since then I've always ensured that my wheel nuts are correctly torqued to 130Nm.
I would not be confident at all with a setting as low as 102Nm.
My BMW's official setting is 140Nm and we know that their wheels are fragile.
We only have 4, and not 5 wheel nuts - not much failsafe security if one works lose.
Jarcy said:
Since having a wheel work lose on track (didn't fall off fortunately), I then adopted a 'proper tight' approach.
Then the opposite problem - stripped the thread on a wheel nut.
So since then I've always ensured that my wheel nuts are correctly torqued to 130Nm.
I would not be confident at all with a setting as low as 102Nm.
My BMW's official setting is 140Nm and we know that their wheels are fragile.
We only have 4, and not 5 wheel nuts - not much failsafe security if one works lose.
A problem I have found also, I know check them regularly , before each time I use it.Then the opposite problem - stripped the thread on a wheel nut.
So since then I've always ensured that my wheel nuts are correctly torqued to 130Nm.
I would not be confident at all with a setting as low as 102Nm.
My BMW's official setting is 140Nm and we know that their wheels are fragile.
We only have 4, and not 5 wheel nuts - not much failsafe security if one works lose.
If it was a daily driver I would check them every few days, Just to be on the safe side.
Better to check regularly, than to over tighten.
For that reason I carry the Correct socket with me
Edited by sundance002 on Wednesday 24th May 21:31
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