Drivetrain (Cooper S) MINI Cooper S (R53) intakes, exhausts, pulleys, headers, throttle bodies, and any other modifications to the Cooper S drivetrain.

Drivetrain bucking at stoplight

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Old Jun 6, 2003 | 06:54 PM
  #1  
minidee's Avatar
minidee
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From: new york
Hi. I am sorry to have to bring this stumble/hesitation problem again as I know it is pretty common. However, I have had the software upgrade to 32.something and after I drove it around it seemed to not hesitate/buck so much at a slow speed (under 10mph) However, today, I drove it in massive NYC traffic..stop/start stuff, and noticed that when I am at a full stop, it bucked occasionally, and I almost thought someone had hit me from behind...has anyone had this?
Thanks.
 
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Old Jun 6, 2003 | 07:01 PM
  #2  
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minidee
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From: new york
Hi, not sure if I posted this, so I am just checking to see why it doesnt show on the board..
 
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Old Jun 6, 2003 | 07:02 PM
  #3  
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do you have a CVT cooper?
 
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Old Jun 9, 2003 | 10:58 AM
  #4  
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antsmini
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From: New York
Ive had the bucking problem after the update as well. I have a CVT Cooper.
 
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Old Jun 9, 2003 | 11:01 AM
  #5  
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ant.
you still working for mini?
get us the skinny!

 
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Old Jun 9, 2003 | 05:19 PM
  #6  
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orbhot
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From: Dunedin, FL, USA
Bucking at stop light?
Either you're an exhibitionist, you have some dark tint on your windows, or no one else was on the road.
I prefer a deserted beach or parking lot myself.
 
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Old Jun 9, 2003 | 05:23 PM
  #7  
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antsmini
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From: New York
>>ant.
>>you still working for mini?
>>get us the skinny!
>>

No, Im a State Trooper now.
 
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Old Jun 11, 2003 | 08:57 PM
  #8  
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track-toy
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From: Export, Pa
>>>>ant.
>>>>you still working for mini?
>>>>get us the skinny!
>>>>
>>
>>No, Im a State Trooper now.

You are kidding, and you own a MINI! Well you aren't gonna get me 'cos I've got laser shifters! They turn around incoming hostile lasers and send 'em back scrambled. You'll see me at a gazillion mph! Take that to the court!

 
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Old Jun 11, 2003 | 09:26 PM
  #9  
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nfo
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>>>>ant.
>>>>you still working for mini?
>>>>get us the skinny!
>>>>
>>
>>No, Im a State Trooper now.

are you sure that isn't ricecop?
 
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Old Jun 12, 2003 | 07:30 PM
  #10  
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antsmini
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From: New York
Pull over and put the chrome rims down SLOWLY where I can see them!
 
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Old Jun 16, 2003 | 09:37 AM
  #11  
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valnmike
2nd Gear
Joined: Mar 2003
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From: Silver Spring, Maryland
>>Hi. I am sorry to have to bring this stumble/hesitation problem again as I know it is pretty common. However, I have had the software upgrade to 32.something and after I drove it around it seemed to not hesitate/buck so much at a slow speed (under 10mph) However, today, I drove it in massive NYC traffic..stop/start stuff, and noticed that when I am at a full stop, it bucked occasionally, and I almost thought someone had hit me from behind...has anyone had this?
>>Thanks.

We (Val and I) have a 2/14/03 built CVT and we occasionally have that same kick in the rear like someone hit us. It usually occurs in heavy stop-n-go traffic, just like you said. Because of a thread I read where the s/w version 32.x included the idle speed increase when the a/c was on, and ours does that, I believe we have that s/w version. I also thought I read that there was a version 33 out there that was suppose to fix the bumping, and according to "minimom" on the miniusa owner's lounge, it does. This is not enough of a problem for me at the moment, so I figure to just wait for my first service interval (another 6k miles) and have it done then.

Minidee, have you played around with the M +/- mode much. I have been having a blast putting it into 1 and just leaving it there to let the s/w up-shift when it hits redline. You can really feather the throttle and not have the tranny up-shift on you and leave you bogged down in a too tall gear ratio. Like it does in "D" and "SD" modes. When I want to slow down, I just downshift as I go into a corner to get the revs & torque up for the exit. This thing is more than just some automatic, it's a marvelous bit of engineering. I'm beginning to think of "D" as "dull" mode. Hope you can get out the that NYC traffic and give it a go; maybe someplace like Sawmill Parkway, only with less traffic. Happy Motoring, -=Mike=-
 
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