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Old 24-06-2012, 04:04 PM
miniXavage miniXavage is offline
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Join Date: Jun 2012
Location: Asia
Posts: 1
Default Re: Mini R56 2009 Factory JCW HFS-3 Install (Cooper s owners too)

I have just installed the HFS3 with the mini tank (right side).
When the meth kicks in (based on the gauge), there is a loud fluttering sound in the left trunk side of the car.

Anyone knows if thats normal?
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