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X5 E53 (1999 - 2006)
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  #1  
Old 03-21-2009, 11:29 AM
malibumlk malibumlk is offline
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Location: Malibu
 
Join Date: Mar 2009
Posts: 35
Mein Auto: x3, x5, 911 Turbo
Trans service on x5 3.0

Here's the situation on our '01 x5 with 130k miles;

We had the trans serviced at about 90k.....no issues, just maintenance. Well, the local hack who I had do it for my wife didn't change the filter and.....well, another story.

So here we are at 130k wondering if we should do it again. Don't want to fry this $$ transmissin is our main concern. But it is about $400...

The trans isn't quite as crispo as when new, but it works fine.

We think we'll keep it another 20k miles a or about a year or 2.

Any thoughts or experience would be appreciated.
MK
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  #2  
Old 03-22-2009, 09:55 AM
jcl10 jcl10 is offline
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Location: BC Canada
 
Join Date: Nov 2004
Posts: 337
Mein Auto: 2003 X5 3.0
It is really a coin toss. If you want to change it, do the filter and use BMW fluid, IMO. The transmissions on these models seem to have a higher incidence of failure from 100k onwards, but my issue is that I don't see that a fluid change is going to help much. We see failures from sensors, electronics, etc, and they have nothing to do with the fluid condition. Haven't seen much discussion about transmission failures due to burnt fluid, for example. While clean fluid is always better, all things being equal, the number of failures of transmissions that occur just after the fluid has been changed imply that disturbing it seems to cost some owners a new transmission. I have't seen real data on fluid changes extending transmission life, and there are transmissions at 200,000 miles with original fluid, so if it was me, I would leave it and realize that if I am unlucky, I may need to buy a transmission at some point.
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  #3  
Old 03-22-2009, 11:06 AM
UncleJ UncleJ is offline
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Mein Auto: '06 X3
+1. Couldn't have said it better myself. Anytime you hit 100K and beyond you are at risk for transmission problems, or in the case of an M/T, a new clutch etc.
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  #4  
Old 03-25-2009, 09:00 PM
malibumlk malibumlk is offline
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Location: Malibu
 
Join Date: Mar 2009
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Mein Auto: x3, x5, 911 Turbo
Excellent Input and advice.....I hadn't thought of it this way, but from my 30 years of experience, your advice rings quite true.
THANKS.
MK
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