Question about BMW X3

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BMW X3 2.0d Loss of power

I have been experiencing a loss of power since the dawn of cold weather, especially when driving up the incline roads. The car also tends to produce (black) smoke intermitently. The turbo only kicks in at more than 3000 rpm instead of below 2000 rpm as it used to. I had the turbo checked and it was confirmed to be still 80% ok. I was advised that the Air Flow Meter could be the problem. Please advise possible solutions

Posted by Archibald Maluleke on

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John Thomson

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You might have transmission problem. It could be low fluid level or could be an internal transmission failure. I suggest you to have the fluid level checked for quality. Another thing you can try to reset your transmission. BMW transmission would help you to know about the transmission better.

Posted on Jul 31, 2012

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Luis Coelho

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I Have the same issue on my Bmw x3 2.0d 2006.
The steps for fixing it are:
1. Clean the EGF Valve
2. Clean MAF
3. Check MAP sensor
4. Check Turbo actuactor
5. Check Intercooler pipe

Yes - Most probably is the Air Flow Meter Sensor

Posted on Nov 03, 2014

  • 1 more comment 
  •  Luis Coelho
    Luis Coelho Nov 10, 2014

    FInaly I fix my Issue.

  •  Luis Coelho
    Luis Coelho Nov 10, 2014

    After 6K€ and mechanic incompetence I decided to put my hands on. Issue was a blocked DPF, very common in this type of cars, since they don't clean the filter automaticle (regeneration). After 12 hours of work is back as new :)

  •  Luis Coelho
    Luis Coelho Nov 10, 2014

    If someone interested in details send me e-mail to luis.m.co at gmail.com

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Anonymous

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SOURCE: loss of power car ticks over ok

Had a similar problem before. Change the feul filter. This often fails due to sand in gas and limits gas being pumped into your turbo. If you change this and the cars runs fine, eventually you will have to change the feul pump. Do the feul filter first. It's cheap and easy.

Posted on May 21, 2009

Anonymous

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SOURCE: power loss and black smoke?

I had a similar issue to this after I got in a VERY small fender bender (literally) in an 87 Turbo Supra. In my case, my pasenger fender got pushed in JUST enough to crack a charge pipe and cause a boost leak.

Basically, what was happening was the turbo would spool and build boost, the mass fair flow sensor would read all this air coming in and tell the ECU to dial up the the appropriate amount of fuel. When the air reached the cracks in the charge pipe, it would escape out of them. Thus there was a much lower air-to-fuel ratio, causing less fuel to combust, which lead to power loss and black smoke out of the exhaust.

My guess is either an oxygen sensor, or more likely a boost leak.

Good luck mate.

Posted on Jun 19, 2009

Anonymous

  • 236 Answers

SOURCE: loss of power

has anyone tested the turbo?

Posted on Jul 08, 2009

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