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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E30 (1982 - 1993)

E30 (1982 - 1993)
God's Chariot. The E30 was produced primarily from 1982 through 1991. The cabriolet was the one exception which was produced through 1993.

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  #1  
Old 10-14-2007, 01:03 PM
NetTechie NetTechie is offline
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Mein Auto: 1991 318iS
Correct gearbox oil 1991 318is 5spd?

I've read around online, and it seems nobody has a standard answer to this. Pelican says just use gear oil, e30network says use ATF on certain gearboxes and other special oils on other ones. Does it even matter what I put in there, as long as it's a lubricant? gaaa.....

e30network says if it an EXTERNAL plug and it's 1986-92 then it's got a green or red label, and to use ATF for red and MT90 for green. If there is no label then it will have an INTERNAL plug and use 70w-80 oil. except there is a problem... mine has external plugs, but no red or green label. am I SOL?

wth!

how about vegetable oil? just kidding!

help needed here.

thanks!
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  #2  
Old 10-14-2007, 01:35 PM
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lordofthewaters lordofthewaters is offline
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How it was explained to me:

If the label is green, use Redline MT90. If the label is red, use Redline D4 ATF. If there is no label, the gearbox should have a 17mm INTERNAL torx wrench oil plug, and should use Redline MTL GL-4 70W-80.
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  #3  
Old 10-14-2007, 01:53 PM
NetTechie NetTechie is offline
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Mine are External, not internal, and has no label. Am I SOL?
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  #4  
Old 10-14-2007, 02:06 PM
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lordofthewaters lordofthewaters is offline
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Plug could have been replaced. I'll bet that it's 70W-80....................
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Old age and treachery, will always overcome youth and skill.

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  #5  
Old 10-14-2007, 06:08 PM
NetTechie NetTechie is offline
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where exactly is this label supposed to be? maybe it's hiding under dirt. a photo of gearbox with a label would be awesome.
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  #6  
Old 10-14-2007, 06:15 PM
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lordofthewaters lordofthewaters is offline
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Don't have a label myself. So can't get a pic. But it should be on the passenger side of your bell housing, if there is one.

I suppose you could go UUC's way:

http://www.uucmotorwerks.com/flywheel/gear_rattle.htm
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Sarcasm is a body's natural defense against stupid.
When a man talks dirty to a woman, it's sexual harassment. When a woman talks dirty to a man, it's 3.95 per minute.

"My mother never saw the irony in calling me a son-of-a-bitch." Jack Nicholson
Old age and treachery, will always overcome youth and skill.


Last edited by lordofthewaters; 10-14-2007 at 06:21 PM.
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  #7  
Old 10-14-2007, 10:48 PM
NetTechie NetTechie is offline
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There is a black ink stamp on the outside that says ATF on the top of the gearbox toward the front. But it has no red or green label, I checked it thoroughly tonight. Only place I didn't check was on top. I don't know if it's a good idea to assume the internal plugs were swapped for external ones.
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  #8  
Old 10-15-2007, 11:30 AM
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lordofthewaters lordofthewaters is offline
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Read this. Makes quite a bit of sense to me:

http://forums.bimmerforums.com/forum...light=gear+oil
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Sarcasm is a body's natural defense against stupid.
When a man talks dirty to a woman, it's sexual harassment. When a woman talks dirty to a man, it's 3.95 per minute.

"My mother never saw the irony in calling me a son-of-a-bitch." Jack Nicholson
Old age and treachery, will always overcome youth and skill.

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  #9  
Old 10-16-2007, 07:38 AM
NetTechie NetTechie is offline
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Thank you lordofthewaters, very informative. Apparently GL4 and GL5 are very different oils. Apparently GL-4 is what to to use in the transmission... however the Red Line oils are all GL-5. hmmm.
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  #10  
Old 10-16-2007, 12:47 PM
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lordofthewaters lordofthewaters is offline
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No the Redline MTL is GL-4
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Sarcasm is a body's natural defense against stupid.
When a man talks dirty to a woman, it's sexual harassment. When a woman talks dirty to a man, it's 3.95 per minute.

"My mother never saw the irony in calling me a son-of-a-bitch." Jack Nicholson
Old age and treachery, will always overcome youth and skill.

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  #11  
Old 10-16-2007, 03:26 PM
NetTechie NetTechie is offline
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You are right. I was looking at the lightweight gear oil. oops!
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  #12  
Old 10-16-2007, 03:40 PM
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lordofthewaters lordofthewaters is offline
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No worries. Put some of that in there and you'll be good.
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Sarcasm is a body's natural defense against stupid.
When a man talks dirty to a woman, it's sexual harassment. When a woman talks dirty to a man, it's 3.95 per minute.

"My mother never saw the irony in calling me a son-of-a-bitch." Jack Nicholson
Old age and treachery, will always overcome youth and skill.

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  #13  
Old 10-16-2007, 11:03 PM
NetTechie NetTechie is offline
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Here is what has me a bit hesitant to put anything in it just yet... see attached picture. It says ATF stamped on the top of the gearbox (pic taken from under hood), which just does not add up. The second picture of the bottom shows the external plugs.
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  #14  
Old 10-17-2007, 04:36 PM
NetTechie NetTechie is offline
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Think the ATF stamp stands for Automatic Transmission Fluid?
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  #15  
Old 10-17-2007, 05:41 PM
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downhiller downhiller is offline
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looks alot like mine, and i just put in 75w-90 (mine needed fuild badly) but the tranny doesnt like second all that much, but it gets to like 30 degrees here at night.

so anyone know a good weight oil for cold nights yet 60+ during the day?
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  #16  
Old 10-17-2007, 11:02 PM
NetTechie NetTechie is offline
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downhiller, I believe 75w90 is GL-5, which is incorrect for the tranny. you need GL-4 or ATF depending (read post 2 by lordofthewaters).

Last edited by NetTechie; 10-17-2007 at 11:05 PM.
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  #17  
Old 10-17-2007, 11:14 PM
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downhiller downhiller is offline
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well at the time i "changed" the fluid, i opened the drain plug and all i got was some metallic sludge, so i cleaned most of that out so i didnt have too much crap goin through the tranny. i grab some valvoline 75w-90 and put it in. i know its most likely not the correct type in there, but i needed something. and right now it starting to get cold and i need to know whats a good weight to put in.

nights anywhere from 40 to -20 degrees, days from 70 to 20 degrees. lots of highway driving in snow. any suggestions?
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  #18  
Old 10-18-2007, 12:06 AM
NetTechie NetTechie is offline
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I'd put in what is spec for your car, which is most likely the Red Line MTL (GL-4) 70w80

http://www.redlineoil.com/products_g...7&categoryID=7

or Red Line D4 ATF

http://www.redlineoil.com/products_g...8&categoryID=8

You could probably get away with either one, depending on which "feel" you like better - though only one is spec, depending on the color of the label and internal/external plugs. They are both GL-4 compatible.

I would definitely take out whatever you have in there, it's not spec and is most likely got damaging solvents and is GL-5. Read the stuff linked in post #8 by lordofthewaters for details on why not to use GL-5 (a mistake I almost made).

EDIT: oh, and the stuff you have in there is probably hypoid, which is also incorrect. It needs to be non-hypoid.

EDIT2: yup, if you have the Full Synthetic 75w90 from Valvoline, you have got the wrong stuff in there for sure:
http://www.valvoline.com/pages/produ...asp?product=58
note words "GL-5" and "Hypoid". That would be fine in your differential, not your tranny.

Last edited by NetTechie; 10-18-2007 at 12:25 AM.
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  #19  
Old 10-18-2007, 12:16 AM
NetTechie NetTechie is offline
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By the way, my manual calls for non-hypoid SAE 80 GL-4 oil.... I'm still totally confused by the black "ATF" stamped on the top of the tranny. But I think I may just throw MTL in there, as that meets what the original owners manual recommends (yup, it came with the car )

Last edited by NetTechie; 10-18-2007 at 12:21 AM.
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