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Thread: 2008 bmw 328XI N51 Inside Disa Valve Replacement Behind Intake

  1. #1
    Join Date
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    2008 bmw 328XI N51 Inside Disa Valve Replacement Behind Intake

    I have a 2008 BMW 328XI with a N51 engine. The inside Disa valve on the inside part of the intake needs to be replaced. I know the screws for the inside Disa valve is on the throttle body side. My question is do you have to remove the outer Disa valve in order to get to the inner Disa valve screws to remove it? Any assistance or short cuts will be appreciated.

  2. #2
    Join Date
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    Simi Valley, CA
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    At 150k, the DISA valve broke inside the intake manifold (2008, 328i, same engine as yours). There were loose parts inside the manifold. In order to remove the loose parts, the manifold needs to come out. I replaced both valves at a hefty price. How did I notice the broken valve? The starter went out and the manifold had to come off. I was surprised to hear rattling noises coming from the manifold.

  3. #3
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    Jan 2015
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    Quote Originally Posted by petes1997bmwz3 View Post
    I have a 2008 BMW 328XI with a N51 engine. The inside Disa valve on the inside part of the intake needs to be replaced. I know the screws for the inside Disa valve is on the throttle body side. My question is do you have to remove the outer Disa valve in order to get to the inner Disa valve screws to remove it? Any assistance or short cuts will be appreciated.
    How many miles on the car? This is covered by the SULEV warranty if you are in a state that accepts it.

  4. #4
    Join Date
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    Quote Originally Posted by martinm0 View Post
    How many miles on the car? This is covered by the SULEV warranty if you are in a state that accepts it.
    The sulev warranty does not cover the disa valve.

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