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X5 E70 (2007 - 2013)
E70 BMW X5 produced between 2007 and 2013. Discuss the E70 X5 with other BMW owners here.

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  #76  
Old 02-04-2013, 05:52 PM
MINI+BMWtek MINI+BMWtek is offline
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Location: Houston
 
Join Date: May 2012
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Mein Auto: e30 318
replace body hardness and all modules if not you need to removed all connectors check all the crimps of pins and replace all of them.

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  #77  
Old 02-04-2013, 06:41 PM
ard ard is offline
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Location: CA
 
Join Date: Jul 2009
Posts: 8,685
Mein Auto: '12 X5 35d/E39M5/996TTX50
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Originally Posted by MINI+BMWtek View Post
replace body hardness and all modules if not you need to removed all connectors check all the crimps of pins and replace all of them.

Sent from my Nexus 7 using Bimmer App
As I understand it, this guy is a BMW master tech. (I think...I like his posts and inputs..thx).

OP- when you have two dissimilar metals- like when a copper wire is crimped into a metal pin in a connector, and salt gets in their, it will cause corrosion due to moisture in the air and galvanic action- over time this corrosion causes the contact to become intermittent when the actual copper looses contact with the metal in the crimp, essentially 'insulated' by the corrosion.

This is why people have posted that 'freshwater might be OK'...the salt is like metastatic cancer, it can crop up later unpredictably.

What is challenging, you can undo the connector and it looks good- but you need to look into the actual crimp on each wire in each pin of the connector....

A
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