What type of oil should I used for 318iS Manual Gearbox

GTV6

Well-Known Member
Hi Beemers,

I am quite confused on the type of transmission oil for the 318iS manual tranny. Should it be refilled with ATF DEXRON III or standard SAE90 API GL-5 gearoil? Should I use synthetic or mineral...

Oh yes, any advice on the oil for the final drive or differential? Thanks in advance!

Ciao
 
Re: What type of oil should I used for 318iS Manual Gearbox

be careful about tranmission oil. check your owner manual to see what the specification is first.
 
Re: What type of oil should I used for 318iS Manual Gearbox

Thanks. The manual didnt help, apparently the factory use both types of fluid ie. ATF or SAE90 during the first fill. It says there should be a tag on the tranny that states the type of fluid used on the Getrag....duh?? Well if I cant locate the tag (lets hope its still intact!!) I will drain out the fluid and ascertain if its ATF or SAE90 gearoil.....
 
Re: What type of oil should I used for 318iS Manual Gearbox

maybe check with one of the BMW specialist workshops? its always much cheaper if you can find an aftermarket alternative. OEM tranny oils can be quite expensive.
 
Re: What type of oil should I used for 318iS Manual Gearbox

For 318iS
1991 - before 9/95 = GM tranmission A4S 310R
after 9/95 - 1999 = GM Transmission A4S 270R

Approved oils :-
Unical (thought there is Unocal, could be typo) Dexron III - D - 'Multi Purpose ATF'
Castrol Dexron III - Mercon
Texaco ATF Mercon - Dexron III

Lifetime fill as of 9/95 vehicle production (highly debatable)

8.8 litres with torque converter / 7.8 litres without torque converter

* careful of synthetic/mineral... cos the elastomer seals may not take either... ie they break down and subsequently leak...
 
Re: What type of oil should I used for 318iS Manual Gearbox

martmode8850 said:
For 318iS
1991 - before 9/95 = GM tranmission A4S 310R
after 9/95 - 1999 = GM Transmission A4S 270R

Approved oils :-
Unical (thought there is Unocal, could be typo) Dexron III - D - 'Multi Purpose ATF'
Castrol Dexron III - Mercon
Texaco ATF Mercon - Dexron III

Lifetime fill as of 9/95 vehicle production (highly debatable)

8.8 litres with torque converter / 7.8 litres without torque converter

* careful of synthetic/mineral... cos the elastomer seals may not take either... ie they break down and subsequently leak...

Oh, I think your refering to the auto tranny. Mine's a manual using a Getrag box. Thanks anyway!
 
Re: What type of oil should I used for 318iS Manual Gearbox

actually i'm scratching my head over this too...
apparently some *do* use ATF even in the manual trannies...

or have i been reading someting wrong??:)

anyone advise pls?..:)

cheers..:)
 

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