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bimmere30 09-05-2012 09:46 PM

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

MaxBell 09-06-2012 02:12 PM

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.

frankie591 09-07-2012 01:57 PM

redline mtl is what I use

Bullet Ride 09-07-2012 02:15 PM

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.

bimmere30 09-19-2012 08:48 PM

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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