Service-Informatio&n
Group: 12
Engine – Electrical
March
198 2
Bulletin No.:
12 005 82 (2055)
– For U.S.A. and Canada Only –
RE: Idle Speed Variations
Dear Dealer:
It is possible that after some high mileages, models
equipped with electronic ignition (starting with all
1981 models), that the idle speed becomes erratic after
reaching its normal engine temperatu~e. Normal idle
speed is at 950 ยฑ 150 RPMs. If theยทapove problem
exists, proceed as follows: โข ..:,::;ยท_ยท.’,
-~., .. -.:::.-,_
-~~:
(1) Make sure that ignition timing, _idle adjustment
,,_/-~lยท ยท~โข valve cle~~ances are cor,:;,~c:t::,~,,.,.,..,d::~~\ โข \
i}โข~~;:~~~~- โข ., โข ; .,t;, ~-.-~~t~~โขโข}:T-:~~ โข~r
( 2) Sta;~— encj’:Ftieยท~i:It~F~e RPM~, .~3:So:o;~~:’.Q,00R” PMs,
~n”‘i\tf.io-$1::h;โข~~ ,i-~~th.,.i:~( time t9a-&fnor~al.
1.dl’.e 5-.pe.,.ed;.t,g,i ngt-:,d”ec.~l,3/en~ae rtraz:i~1-ss-1on,
, , โข…. โขยท ~” .- โข -ยท-ยทยท ‘l,โขI . . ~~~โข <\-- > and .b~\s]’.:J:P:E?.” – e”-}~clu.tch . obtain i ‘ – .ElEt’.d~.
( 3 ) If. -‘~~t:~;:;ttJ:~:/i:~~~\\.t_et::~t~~-~ยท )t~i,;~::~1~::~~t_:.t~,,; .
the ยทmechan-ica.”1:–advahce_ n_i eยทchaltism in{the~ยท!e.citr6n1c
im~~-1s eยท~~-~.t~’i~~fi\~ei~J\~~~J~qt
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Searchable index of BMW service bulletins for repair and parts installation for a variety of 247 models. This is not an exhaustive list. If you have ones to share to help complete the archive, please contact us directly.

