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Davud

01-10-2007 03:06 AM

GEARSHIFT Problem (chain substitution)

Folks!
Need your experience gents!

Problem:
During driving if I suddenly push accelerator pedal, release and again push the car Jumping and make very ugly noise like something broken there (in gearbox). My local dealer after investigation told me following:
There is the Chain in the Gearshift, and it's becoming loose after sometime, that's why the chain on pinion sometimes under tension jump up/slip from tooth to tooth, and this is the reason for such ugly noise.

Question:
Can you help me to find out this Chain, any Part Number?
Or I can find it only in Gearshift complete set?

Thanks in advance!

Davud

01-12-2007 06:16 AM

1 Attachment(s)

Gents may be this diagram will be more helpful:

Description Part Number
TRANSFER BOX P/N 27101229654
RMFD AUXILIARY TRANSMISSION P/N 27107504568

Laurence

01-12-2007 08:46 AM

Quote:

Originally Posted by Davud

If there is that much play in the chain that it jumps a tooth, you'll probably find the teeth are worn as well.
For a chain to get that loose it must be very worn - the most likely cause of that would be that transfer unit lost all its oil?
I think your best option would be to get a reconditioned or replacement unit.

Davud

01-12-2007 09:32 AM

Thanks a lot for suggestion mate...totally agree...but just would like to find out is there any possibility to find out mentioned parts (chain, pinoins/teeth) separately???

supersteve

01-12-2007 10:02 PM

It's made by New Process. They make the transfer cases for most major manufactures of 4x4 and all wheel drive. If you want parts, I would go through them.

Davud

01-15-2007 02:53 AM

Thank a lot!!! You're wonderful! Will try "NEW Process" after let you know the outcome...

supersteve

01-15-2007 08:23 AM

Parts are available. I checked. It is a NV125. The "NV" stands for "New Venture" (still made by New Process). To make sure this is the one you have, look at the round tag on the Left rear side of the transfer case.

supersteve

01-15-2007 08:31 AM

There are two transfer cases used. The NV125 is what I have. There is also the LWX500 (borge warner).

Davud

01-16-2007 04:00 AM

:))) you are really SUPERSTEVE man! :)

pmorev

04-09-2008 04:30 PM

Hello! Seems to be I'm having the same problem: I need chain for NV125 (2001 X5 4.4 l.). Please give me some contact info of who can sell it! My local BMW dealers just offer to get the whole $2K box - it's not the solution...

supersteve

04-09-2008 06:54 PM

Check with your local trans shop. It is a "standard part" for the NV125. If you check the round tag on the "$2k box" you can take that number to a trans shop and they can order then chain for you.

vinzer

09-16-2008 04:53 PM

Hello all !
I am with the same problem here about my transfer case NV 125
I am in Canada, tried to speak with my local transmission shop, they told me that they not sure if they can get the chain and bearings for me for this type of transfer case and sent me to the BMW dealer.
Maybe some one can point me to any US supplier who may have the kit for this type of the transfer case. Basically I am looking for the chain, bearings (looks like my ones are dead) and the kit of sealents.

I would apreciate any help on this.
Sorry for my English :dunno: (French Canadiene)

dville

05-29-2009 11:04 PM

Cobra Transmission Parts 1-800-293-1848: BMW X5 Transfer Case Chain

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