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plenum

  1. E60 M5 and E61 M5 Touring Discussion
    Hi all, So this has been in development for a while and has got to be one of the most desirable modifications for our beloved S85s that we have wanted for years especially seeing all that carbon in the E60 M5 CSL engine bay - a full carbon produced plenum. This has finally been done by none...
  2. E39 M5 and E52 Z8 Discussion
    I am removing the plenum on my S62 to begin to change the valve (rocker) cover gaskets and any other parts underneath I can see are tired while I'm there. I can't seem to remove the lower plenum as it's been gasket sealed down against the rubber throttle body gasket in a previous life. Should...
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