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  #1  
Old 02-06-2010, 01:01 AM
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Here's a new one...

Here's another problem to add to our diesel's growing list. While driving with a few friends, our X5 gets a, "Engine Malfunction - Reduced Power," message. We just got done climbing a steep road, and turned onto a smaller hill when the message popped up. The engine did drop a few revs but didn't die or sputter. By the top of the hill, the message disappeared and I had get off, but it did seem fine then. I did notice a burnt smell that was the same as this morning, and I saw some smoke in front of the diesel this morning when it started up.

I wonder if this is contributing to our stalling issue too.
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Old 02-06-2010, 02:17 AM
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Originally Posted by MINIz guy View Post
Here's another problem to add to our diesel's growing list. While driving with a few friends, our X5 gets a, "Engine Malfunction - Reduced Power," message. We just got done climbing a steep road, and turned onto a smaller hill when the message popped up. The engine did drop a few revs but didn't die or sputter. By the top of the hill, the message disappeared and I had get off, but it did seem fine then. I did notice a burnt smell that was the same as this morning, and I saw some smoke in front of the diesel this morning when it started up.

I wonder if this is contributing to our stalling issue too.
I had a similar experience when I only had about 300 miles on mine. The dealer could not find anything. They suspected a misfire or fuel quality issue. I was on my first half tank refill. I switched to Shell Diesel and no issues since (~3000 miles.) I did not see or smell smoke. Let us know what the dealer finds. Good luck.
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Old 02-06-2010, 05:46 AM
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If it was cold then smoke on starting (from the middle of the car) may be from the fuel burning heater.

Smell / slight loss of power could be the particulate filter being burnt off.
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Old 02-06-2010, 08:01 AM
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It's happened to me twice.............before I could figure out what was going on, the light went away........all within 5-6 seconds each time............
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Old 02-06-2010, 09:07 AM
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Me too, about 1200 miles, 80 mph on highway, 5 seconds, then gone. No noticeable power change. Called dealer and was told it was probably a "computer glitch" and to bring it in only if it recurs.
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Old 02-06-2010, 10:00 AM
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Doesn't anyone anymore?

Try page 139 of the 2009 X5 manual under the heading "Diesel Particulate Filter".

Funf Dreisig

Last edited by FunfDreisig; 02-06-2010 at 10:14 AM.
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Old 02-06-2010, 12:22 PM
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I said it first, I said it first,
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Old 02-06-2010, 12:37 PM
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Happened to me on Christmas Eve!

It was fixed though - read my thread:

http://www.xoutpost.com/bmw-sav-foru...same-time.html
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Old 02-06-2010, 12:43 PM
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I said it first, I said it first,

Ok but reading that manual is a torture! Requirng much interpretation on top of it's poor English translation.

But why would it trigger an engine warning if it's a routine operation. The manual doesn't say it could cause a warning or fault.
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Old 02-06-2010, 12:46 PM
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Read my thread - had that warning and the vehicle was flat bed towed to the dealerand repaired. It has been fine ever since.
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