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 Cooper Clubman S Odd Noise

 Created by: EliKins
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 Posted: Oct 29, 2022 02:54PM
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Maybe a video of it will help more?
Like Dan said, it could be the waste gate. One other addition to that could be that during previous ownership, someone may have put a larger turbo or an aftermarket waste gate on it, or both. In which case, you're going to get more noise. The bigger either of those are, the more flow and boost you're going to get. The noise could be the byproduct of this. Compare them visually with a similar model or look for any aftermarket labelling on them. 
If you really want to have a pro's opinion (rather than some unknown private mechanic), bite the bullet and pay for a MINI/BMW mechanic at your local dealer to have a listen, and maybe run a diagnostic if needed. May be worth it to do to have peace of mind. 

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Simple recipe for Excitement:  Take 1 Classic Mini. Throw in 1590cc's of engine. Add 5 gears. A dash of 94 octane. A sprinkle of style inside and out. Toss in 1 MadMan and finally heat tires and pavement to taste. Recipe produces 1 Mini VTEC conversion and full satisfaction. Motor on!
 Posted: Oct 25, 2022 05:44AM
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Maybe try to get a ride in a similar vintage MINI to see if the same noise is there?

It's hard to interpret noise descriptions verbally....

 Posted: Oct 23, 2022 04:20AM
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CA
I'm not familiar with MINI cooper S and its turbocharger but offer this suggestion: When you accellerate up through a gear, the turbo spools up accordingly. When you shift gears and close the throttle suddenly, the turbo is still spinning and pushing air at its best. The waste-gate opens to dump the excess and will stay open until either you hit the throttle or the turbo spools down. Maybe what you are hearing is the turbo through the open waste-gate. I don't know how your engine management system deals with boost, throttle position etc. but if the revs don't drop quickly when you lift your foot, perhaps it is holding the throttle body open according to its programming for whatever the designers decided was best.

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"Hang on a minute lads....I've got a great idea."

 Posted: Oct 22, 2022 04:54AM
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Hi All,

Looking for your help please, I recently bought a Mini Cooper Clubman S 2009 and get an odd noise but don’t know if it’s something wrong or if it’s normal.

Noise:
When I accelerate I get normal acceleration noise but it seems to be hanging in the that gear for longer than I think it should do before changing gear and the noise gets more high pitched…now it might be the Turbo noise but seems more like something is wrong than regular turbo noise and it is all the time rather than when the turbo kicks in..

some private mechanics have looked and said there is nothing wrong but I’m not sure I trust them so looking for your  help and suggestions.