R57 :: Cabrio Talk (2009+) Cooper and Cooper S convertible (R57) discussion.

R57 Jump in RPM at Low Speed?

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Old Jun 28, 2013 | 10:54 AM
  #1  
MiniCooper2009's Avatar
MiniCooper2009
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Jump in RPM at Low Speed?

Hi all,

2009, 65k miles, had it about a month. I'm overdue for my Service visit, but the mechanic said the only thing he was expecting to need work was the brakes, and I've got time on those...

CEL went on a couple of weeks ago, turned out to be the gas cap. The only other issue I can think of is that it seems to lose a little bit of acceleration "oomph" when I've got the a/c blasting, but I figure that's probably normal.

Anyway, I was going up a hill today, about 15mph, and as I let off the gas to take a turn, the rpm jumped a tad, and car seemed to speed up a bit and then return to normal (just a couple mph, but that's noticeable when you're down to 7mph). This happened twice in quick succession. The RPMs didn't go over 2k. I braked, and it stopped. I didn't notice it happen again in the next few minutes (was pulling into the parking garage at work).

I'm hoping this is "user error" -- something about the way I was driving was causing the car to have to compensate. But I'm concerned that this could be a transmission issue?
 
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Old Jun 28, 2013 | 11:22 AM
  #2  
ACallahan's Avatar
ACallahan
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Mine was doing something similar awhile back and It was one of the intercooler boots leaking.
 
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