BMW Transfer Case Fluid Flush Drain and Fill, DIY Replacing Transfer Case Fluid

BMW Transfer Case Fluid Flush Drain and Fill, DIY Replacing Transfer Case Fluid

This video demonstrates and explains how to replace the tranfer case fluid on a BMW all wheel drive system. The video was performed on a BMW X3 E83.

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AskTheCarExperts says:

I like to use Google to look up Newton meters to foot lbs. There are quite
a few sites that makes this easy to do. On your X5 the system will be the
same. You have a front differential that should be changed and a transfer
case that provides power to the front diff. by means a driveshaft. Also the
rear differential should be changed at the same time as the front diff. 🙂
There is not a set time peroid for this. I think 60,000 is a good rule of
thumb.

Giggidygiggidy12 says:

Thanks for replying, I also read somewhere that you should try driving
minimum 75+ miles to heat up the fluid in either the transfer case or the
transmission so that when you drain them it comes out more completely
otherwise if its too cool most of it will not drain out. Have you
experienced this is that accurate or pure nonsense?

AskTheCarExperts says:

For Diff fluid it would be a good idea as it is very think but the transfer
case fluid and transmission fluid is much thinner and runs out well. I do
not think this would be needed. When fluid is added to a BMW the
temperature must remain below a specific level and if it gets too hot the
fluid can expand to much and cause the fluid to be a bit low when cold. The
repair instructions lean more toward a colder vehicle when filling so I
would think driving75+ is not needed 🙂

Giggidygiggidy12 says:

I notice BMw always use Newton meters how does that translate for in. Lbs
and ft. Lb torque wrenches? Also on an x5 is there a similar transfer case
up front that needs to be flushed due to the X Drive AWD system? Thank you
for posting

AskTheCarExperts says:

Hello, Only if you have been having a problem with the transfer case will
you need to have the adaptations reset. The only step the dealer would do
is to reset the fault code that sets when the transfer case fluid needs to
be changed. There is no display that you would see when the fluid is due.
The vehicle sets a code stating VTG Fluid is due. It is just as easy to
keep track of the mileage yourself and change the fluid around every 50,000
miles.

AKJeeper says:

Quick question for you – how often do you recommend that I change the
manual transmission fluid out on my ’04 R53 MINI Cooper S? My Bentley
manual seems to suggest that it’s a “lifetime” fluid but being that I’m
planning on keeping the car forever, I’d rather flush out the fluid as part
of general maintenance. And do you know of any non-MINI/BMW oil that would
be safe to use in the Cooper’s transmission? Or should I stick to MINI/BMW
stuff?

AskTheCarExperts says:

Hello AKJeeper 🙂 “Lifetime” to me is 100,000 miles but for better life it
is better to cut this down a bit more to around 60,000 per oil change for
the transmission if you can. I like to stick to OEM parts but I have heard
really good things about redline fluids and have installed this on a few
customer vehicles that have requested this fluid. I hope this helps my
friend 🙂

TAN HOANG says:

hey the car expert:::: do we have to bring the car to the dealer after
changing the transfer case fluid. i heard you have to reset the adapter or
what ever

AskTheCarExperts says:

Hello Ken, You are very welcome 🙂 Thank you for the great comment. Let me
know if I can offer any help on you BMW if something comes up. You can also
find me on facebook at: Ask The BMW Expert 🙂

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