Tranfer case fluid?

beemteam · 02-25-2013, 08:57 AM

Hello everyone this is my first ever post. I wanted to change my trans fluid and transfer case fluid and i had a question,......is the transfer case fluid the same fluid used in the transmission or is it a different fluid? Thanks ahead

Sent from my N860 using Bimmer App

SamDoe1 · 02-25-2013, 09:03 AM

Same if you have a manual, different if you have an automatic.

Use MTL in the transfer case.

beemteam · 02-25-2013, 09:26 AM

Thanks samdoe1

jmo69 · 03-03-2013, 11:11 PM

What's the favorite brand for the T-case, Redline MT90?

SamDoe1 · 03-04-2013, 10:55 AM

Quote:

Originally Posted by jmo69

What's the favorite brand for the T-case, Redline MT90?

Yes.

ECSTuning · 03-04-2013, 11:48 AM

Our fluid of choice for the E46 transfer case is RedLine D4, also when changing the fluids in the case it's suggested to also replace the drain and fill plugs as well as the washers on them, I have a kit available HERE which makes it a one stop shop.

GCoop · 03-04-2013, 06:27 PM

Gears deserve a gear oil so Redline MTL every change here. Even if it is a tad more viscous than the OE fill. I do it about every third oil change (30K) for cheap insurance.

Whatever you guys do CHANGE IT. I'd venture to say motor oil would be even be better than leaving the original fill in there a mile past 60k

jmo69 · 04-13-2013, 04:39 PM

Finally did this today, got 5 ounces of black $hit out and replaced it with some nice clean Pentosin MTF. Got to be better than before.

Kubica · 04-13-2013, 06:18 PM

I use D4 in the TC and mix D4/MTL in the MT.

jmo69 · 04-14-2013, 11:15 AM

I've got some D4ATF, I might try a mixture the next time, maybe next oil change. I also have some Transyn that we use in the heavy duty Allison automatic transmissions in our redi-mix trucks. The transfer cases use a 50 weight synthetic oil that would probably work too.

SeattleLSB · 04-14-2013, 08:32 PM

is it really worth replacing the drain and fill plugs like ECS Says?

djbradle · 04-14-2013, 08:54 PM

Quote:

Originally Posted by SeattleLSB

is it really worth replacing the drain and fill plugs like ECS Says?

Nope. Just get the new crush washer though. Use a pick to remove them from old plug if they're on there tight.

02-25-2013, 08:57 AM	#1
beemteam Registered User Join Date: Feb 2013 Location: dc Posts: 16 My Ride: 325xi View My Garage	Tranfer case fluid? Hello everyone this is my first ever post. I wanted to change my trans fluid and transfer case fluid and i had a question,......is the transfer case fluid the same fluid used in the transmission or is it a different fluid? Thanks ahead Sent from my N860 using Bimmer App

03-03-2013, 11:11 PM	#4
jmo69 Registered User Join Date: Mar 2013 Location: Wisconsin Posts: 37 My Ride: 2003 325xi e36 328is View My Garage	What's the favorite brand for the T-case, Redline MT90? __________________ 2003 325xi StahlGrau metalic almost modless, wife's DD. 1998 328is lowered, X-brace, Sparco strut brace, HIDs, AEs, almost everything blacked out, my DD. Last edited by jmo69; 03-03-2013 at 11:12 PM.

03-04-2013, 11:48 AM	#6
ECSTuning Sponsor Join Date: Jul 2008 Location: Wadsworth, Ohio Posts: 4,372 My Ride: BMW View My Garage	Our fluid of choice for the E46 transfer case is RedLine D4, also when changing the fluids in the case it's suggested to also replace the drain and fill plugs as well as the washers on them, I have a kit available HERE which makes it a one stop shop. __________________ *Have questions? Need answers? Live Chat us! 8:30am to 12:00am Midnight EST* sales@ecstuning.com \| customerservice@ecstuning.com Customer Service Hours: 8:00am - 8:00pm EST Sales Team Hours: 8:00am - 11:00pm EST 800.924.5172

03-04-2013, 06:27 PM	#7
GCoop Registered User Join Date: Jan 2009 Location: Charlottesville VA Posts: 1,077 My Ride: '04 325xi View My Garage	Gears deserve a gear oil so Redline MTL every change here. Even if it is a tad more viscous than the OE fill. I do it about every third oil change (30K) for cheap insurance. Whatever you guys do CHANGE IT. I'd venture to say motor oil would be even be better than leaving the original fill in there a mile past 60k __________________ GCoop \| F1 Autohaüs Halogen Non-Projector LED Angel Eyes Review GCoop \| Cluster Repair DIY--Clock and Odometer Knobs GCoop \| Wheel TouchUp--On The Cheap Last edited by GCoop; 03-04-2013 at 06:30 PM.

04-13-2013, 04:39 PM	#8
jmo69 Registered User Join Date: Mar 2013 Location: Wisconsin Posts: 37 My Ride: 2003 325xi e36 328is View My Garage	Finally did this today, got 5 ounces of black $hit out and replaced it with some nice clean Pentosin MTF. Got to be better than before. __________________ 2003 325xi StahlGrau metalic almost modless, wife's DD. 1998 328is lowered, X-brace, Sparco strut brace, HIDs, AEs, almost everything blacked out, my DD.

02-25-2013, 09:03 AM	#2
SamDoe1 Registered User Join Date: Oct 2010 Location: Minnesnowta Posts: 2,534 My Ride: 2004 330xi, 3 pedals View My Garage	Same if you have a manual, different if you have an automatic. Use MTL in the transfer case.

02-25-2013, 09:26 AM	#3
beemteam Registered User Join Date: Feb 2013 Location: dc Posts: 16 My Ride: 325xi View My Garage	Thanks samdoe1

04-13-2013, 06:18 PM	#9
Kubica Registered User Join Date: Apr 2008 Location: Boston Posts: 3,907 My Ride: 2003 325xi View My Garage	I use D4 in the TC and mix D4/MTL in the MT.

04-14-2013, 11:15 AM	#10
jmo69 Registered User Join Date: Mar 2013 Location: Wisconsin Posts: 37 My Ride: 2003 325xi e36 328is View My Garage	I've got some D4ATF, I might try a mixture the next time, maybe next oil change. I also have some Transyn that we use in the heavy duty Allison automatic transmissions in our redi-mix trucks. The transfer cases use a 50 weight synthetic oil that would probably work too. __________________ 2003 325xi StahlGrau metalic almost modless, wife's DD. 1998 328is lowered, X-brace, Sparco strut brace, HIDs, AEs, almost everything blacked out, my DD. Last edited by jmo69; 04-14-2013 at 11:20 AM.

04-14-2013, 08:32 PM	#11
SeattleLSB Registered User Join Date: Apr 2009 Location: New Jersey Posts: 128 My Ride: 2003 330XI View My Garage	is it really worth replacing the drain and fill plugs like ECS Says? __________________ 2003.5 LSB/BLK M3/6SP/Non-Sunroof/Bluetooth/PSS9/SSR-GT3 - Sold 2007 TiAG/BLK 335I Sedan/6SP/Sport/Premium/Cold Weather - Sold 2003 AW/Tan 330XI/AT/Sport/Premium/Cold Weather - Winter Car

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