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Old 09-05-2012, 09:46 PM   #1
2nd Gear Member
Join Date: Aug 2012
Location: GTA
Posts: 130
what transmission oil to use for e30

looking for transmission oil don't have the owners manual, where can i get the redline stuff?
what redline bottle to use for 318i

Last edited by bimmere30; 09-05-2012 at 09:57 PM.
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Old 09-06-2012, 02:12 PM   #2
Clint Eastwood
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You have to look on the passanger side of the bell housing for a sticker. The labelled E30 transmissions used 17mm external wrenching oil plugs; bolts that you can put a socket on. The one non-labelled transmission used a internal wrench oil plug; bolts that you need a 17mm allen key for.

If you have a red sticker, then you need ATF. (BMW recommends Dexron III)
If you have a green sticker, then you need synthetic gear oil.
If you have no sticker, then you need any API-GL-4 SAE 80 Non-Hypoid gear oil (or single grade HD engine oil)

In terms of Redline, for the red sticker, use D4 ATF. For the green, use Redline MT90 and for no label use Redline MTL GL-4 70W-80.

Personally, I recommend Royal Purple whenever possible, but that's a personal preference. Syncromax is their Dexron III replacement for red label transmissions. I think their Max Gear Oil works for the green and non-labelled trans.
REMEMBER: Be safe and have fun is Rule Number 1.

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Old 09-07-2012, 01:57 PM   #3
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redline mtl is what I use
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Old 09-07-2012, 02:15 PM   #4
Bullet Ride
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I flushed my transmission when I did my engine swap and filled it with Castrol Syntec 75W-90 gear oil (you can find it at any crappy tire or parts source). I've got a couple thousand kms on it including 2 autoslalom and 1 lapping event and everything is working well.
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Old 09-19-2012, 08:48 PM   #5
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what would happen if you mix the transmission fluid such as putting d4 atf into a one that needs API-GL 4?
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