Do you need to replace the entire intake manifold on your BMW? Some factory intake manifolds are considered an upgrade when installed on a different vehicle. Turner Motorsport stocks intake manifold assemblies for repair and upgrade purposes.
A bad DISA valve can cause a variety of issues, from a loud racket in the engine bay, hesitation at low rpm and a rough idle with lean codes. If the valve is making a loud noise, we recommend replacing it as soon as possible. It is possible for the pin holding the flap to be sucked into the motor causing serious damage.
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