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Manual Transmission Fluid Type

78716 Views 72 Replies 27 Participants Last post by  Yourrid
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I hate digging up old threads, but as I am the OP, I guess I'll let it slide :hi:

I'm finally getting around to changing out the manual transmission fluid and can't find the capacity ANYWHERE. Even the owner's manual doesn't list the capacity as it says it's a "Lifetime Fluid." I know I just need to fill it until it slowly drips out of the fill hole (being level of course), but for purchasing purposes, how much does it take?


I'm beginning to feel some "notchy-ness" in my 1st and second gear, so I'm going to replace the fluid next week. I've heard of people using Royal Purple and saying it is a bad choice, so I'm looking to use the tried-and-true Redline fluids.

Here is my question. Some people recommend the MT-90 (along with pelicanparts.com) while I read a lot of places that say the 75W90 GL-5 Gear Oil is correct. The Redline application guide recommends D4 ATF and doesn't even list the MT-90! :facepalm:

What have you guys had success with?

Edit: 2004 E46 325CI coupe M54 5-speed manual
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Redline MTL or D4ATF.

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You're in Georgia. Go with MTL.

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