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butterfly valve
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  1. F06 Gran Coupe (2013 - 2018)
    For those in looking to keep all four exhaust pipes open all the time, below is a link to a solution. I've searched high and low for a way to keep all four pipes open on my M6GC, as this exhaust (shared by the M5, M6, X5M, X6M) is different than in other M cars and BMW's. The exhaust butterfly...
  2. X5 E70 (2007 - 2013)
    Hello everyone! This issue occurred since few months ago. During the cold start up in the mornings, the engine wouldn't have that growl it used to have a year ago and also, whilst driving and reaching approximately 3000rpm, the butterfly valve does not open and it doesn't provide that "growl"...
  3. X5 E53 (1999 - 2006)
    My 2005 x5 3.0 has recently been leaking quite a bit of coolant. It then started to emit thick clouds of white smoke every once in a while upon start up. It was probably only every 5 or so times that we started the vehicle. I was worried that coolant was getting into the cylinders so we had it...
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