2005 BMW X5 BMW Whilte Smoke

Tiny
PIXOEQ222
  • MEMBER
  • 2005 BMW X5
2005 BMW X5

Ok so I am thinking the head gasket is shot. Here are the symptoms:

1. Excessive white smoke from the tailpipes especially if the car sits idling for a few minutes and you drive away.
2. Low cylinder compression on cylinders 4 and 8 show 35% leakage with the air pressure leak test.
3. Visible scoring and pitting on the inside of the cylinder 4 & 8 walls.
4. Oil usage very high over the last few months.
5. 150K kilometers on the odometer with the 160K BMW Certified Warranty package.

The dealer would like to bring my X5 4.4i in for engine disassmbly to confirm the issue and support any warranty claim. They are already recommending engine replacement but need evidence for the case to present to BMW. They warned me up front that if whatever the issue is that if warranty does not cover the damage then I will be on the hook for the disassembly hours and either the new engine or putting the old one back together.

Please anyone provide your thoughts on what the problem is with my X5.

Thanks in advance!
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Monday, August 16th, 2010 AT 4:14 PM

4 Replies

Tiny
DR. HAGERTY
  • MEMBER
If the damage reported is indeed present, then the warranty will take care of the problem, however I can feel there is some trepidation in the posting, would you like to say anything about that? Be sure you read and understand the warranty clearly and let me know what you decide.
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Tuesday, August 17th, 2010 AT 8:56 AM
Tiny
PIXOEQ222
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No trepidation intended. I really have no idea what would be causing the issues. All maintenance records are up to date and in accordance with manufacturer's recommendations. Regarding the pittng and scoring on the inside of the cylinder walls - would this be caused by water/coolant leaking into the cylinders? Thanks again and looking forward to your further input.
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Tuesday, August 17th, 2010 AT 3:11 PM
Tiny
DR. HAGERTY
  • MEMBER
The cause is possibly due to manufacturing faults, from here it is tough to say with any certainty.
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Tuesday, August 17th, 2010 AT 5:19 PM
Tiny
PIXOEQ222
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Thanks for the replies. Any others have some thoughts?
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Thursday, August 19th, 2010 AT 2:03 PM

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