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3 Series E36 318ti (M44) COMP

4 Tightening Torques > 0 Maintenance And General Data > 1 AZD Excerpt From Company Standard BMW GS 90003-2

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00 00 Excerpt from company standard BMW GS 90003-2 

Type

Thread

Tightening specification

Measure

If there are no cross-references to

tightening torques in the repair
instructions, the excerpts from the 

company standard
BMW GS 90003-2

must be observed.

 

There are different screws / nuts with
surface color / (surface coating) -

yellow (ZN) and silver (ZNS)

The maximum tightening torques
are:

Surface color yellow (ZN):

Applicable only to shank screws with
metric coarse- and fine-pitch threads

according to DIN 13-28 and nuts
with nut height 0.8 x d according

to DIN 934 and exclusively for a 

µ

tot = 0.125 (screws phosphatized,
nuts without subsequent treatment

or galvanized. Lubrication condition:

unlubricated and also oiled).

 

Surface color silver (ZNS):

Applicable only to shank screws with

metric coarse- and fine-pitch threads

according to DIN 13-28 and nuts
with nut height 0.8 x d according

to DIN 934 and exclusively for a

spread of 

µ

 = 0.09 to 0.15 (screws

cadmium-plated, nuts without

subsequent treatment or galvanized.
Lubrication condition: unlubricated

and also oiled).

The values specified in this table
apply to all screw connections

conforming to the aforementioned

conditions.

AZD  Excerpt from company standard BMW GS 90003-2

BMW AG - TIS

07.02.2013  10:49

Issue status (12/2007) Valid only until next DVD is issued

Copyright

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