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-   -   Lug nut torque spec? (http://www.bimmerfest.com/forums/showthread.php?t=594046)

brettnyc 01-14-2012 07:50 AM

Lug nut torque spec?
 
Changing out the 20's tomorrow for my winter 18's. Anyone know the proper torque specs for the lugs?

ard 01-14-2012 08:34 AM

I use 140 N-m or 103 ft-lbs for the E70.

No luck with search? or owners manual?

:)

quackbury 01-14-2012 08:53 AM

Proper torque values are shown on page 270 of the owner's manual (at least the PDF version. May be different int he paper manual). Is ard right? Well, yes ... and no.

brettnyc 01-14-2012 12:07 PM

Thanks guys. I did do a a search but most hits were about engine torque specs. I live NYC and didn't feel like walking 5 blocks to my garage just to get my owners manual.

quackbury 01-14-2012 01:20 PM

Quote:

Originally Posted by brettnyc (Post 6562093)
Thanks guys. I did do a a search but most hits were about engine torque specs. I live NYC and didn't feel like walking 5 blocks to my garage just to get my owners manual.

No need to walk anywhere. Go to www.bmwusa.com, log into My BMW and download the PDF version. Much simpler, and also much faster to search.

brettnyc 01-14-2012 01:24 PM

Quote:

Originally Posted by quackbury (Post 6562186)
No need to walk anywhere. Go to www.bmwusa.com, log into My BMW and download the PDF version. Much simpler, and also much faster to search.

Thanks

quackbury 01-14-2012 01:28 PM

You're welcome.

rh71 06-11-2014 01:52 PM

It's not that easy to find the answer to this online - I needed to find out just now and the PDF manual pg 252 says: 101 lb ft / 140 Nm. I'm sure this will help others.

ptabaco 06-11-2014 04:09 PM

1 Attachment(s)
Page 303 on the 2013 X5 OM

PAX5 06-11-2014 06:34 PM

I better re-torque mine ... I've always torqued them to 95 ft-lbs ...

rh71 06-12-2014 04:42 AM

btw, I know it's the conventional size, but what specifically is the socket size for the 120mm bolts? Also, is either the 1/2" or 3/8" drive wrench better generally speaking?

PAX5 06-12-2014 05:07 AM

Quote:

Originally Posted by rh71 (Post 8398606)
btw, I know it's the conventional size, but what specifically is the socket size for the 120mm bolts? Also, is either the 1/2" or 3/8" drive wrench better generally speaking?

What do you mean by 120mm bolts?

Anyway, I don't know about anybody else, but I use only 17mm, 6 point, 1/2 inch drive, deep socket.

I am also looking for a 6 point, deep socket that has a magnetic insert, because I hate it when the wheel bolt drops out of the socket and permanently nicks the wheel face ... :thumbdwn:

Anybody know where to find one?

tlm999 06-12-2014 05:27 AM

Quote:

Originally Posted by PAX5 (Post 8398632)
What do you mean by 120mm bolts?

Anyway, I don't know about anybody else, but I use only 17mm, 6 point, 1/2 inch drive, deep socket.

I am also looking for a 6 point, deep socket that has a magnetic insert, because I hate it when the wheel bolt drops out of the socket and permanently nicks the wheel face ... :thumbdwn:

Anybody know where to find one?

http://www.toolbarn.com/grey-pneumat...kkJg8e8hPD_BwE

If you don't like that one try a Google search as there are others.

PAX5 06-12-2014 06:17 AM

Quote:

Originally Posted by tlm999 (Post 8398663)
http://www.toolbarn.com/grey-pneumat...kkJg8e8hPD_BwE

If you don't like that one try a Google search as there are others.

Perfect! Just what I'm looking for. Thanks! :thumbup:

tlm999 06-12-2014 07:53 AM

Quote:

Originally Posted by PAX5 (Post 8398746)
Perfect! Just what I'm looking for. Thanks! :thumbup:

Glad I could help. I'm thinking of getting a complete set for those other jobs where my fingers just aren't long or slender enough.

http://www.toolbarn.com/factfinder/?...omSuggest=true

Hd2000fxdl 06-19-2014 04:47 PM

Quote:

Originally Posted by rh71 (Post 8398606)
btw, I know it's the conventional size, but what specifically is the socket size for the 120mm bolts? Also, is either the 1/2" or 3/8" drive wrench better generally speaking?

In regards to the 3/8 or 1/2 drive,, normally you have a larger and longer make it easier to TQ to spec and the TQ wrench I use depends on application, I have 1/4 3/8 and 1/2 as well as a 3/4 drive TQ wrenches, it makes life a lot easier to use the right tool for the job, also rest them to ZERO to avoind having to get them recalibrated all the time.

Harry

ard 06-19-2014 06:17 PM

nobody picked up on quacks' comment so long ago....'yes, ...and no'

Is 140nm=?

103.3 ft-lbs (ie converting 140 using a conversion factor)

or

101 ft-lba (Based on the manual)

Unless those wily german engineers have different torque specs depending on which unit of measure one is using...

rh71 06-19-2014 09:00 PM

^ well you're right, 140nm converts to 103ft-lbs. So once again I'm not sure what to use 101 or 103.

Nube1kenobi 06-19-2014 10:44 PM

Quote:

Originally Posted by rh71 (Post 8414129)
^ well you're right, 140nm converts to 103ft-lbs. So once again I'm not sure what to use 101 or 103.

Either one should be fine. I have a feeling your torque wrench has not been certified annually like it should be either. :rofl:


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