jerky acceleration - New 2009 2010 BMW Z4

Officer Dibble · 04-16-2011, 11:19 AM

...has anyone experienced this?

I have noticed this a few times now. When i am accelerating there is a certain jerkyness. It is not always there. At first i thought it would be the winter tires but i dont think it is the tires slipping. I will be changing the tires soon and will try it again.

Hope its nothing too serious.

suvidh · 04-18-2011, 09:51 AM

could be traction issue due to the tyres. Do you see the yellow traction light flickering when the jerks happen?

ChuckB · 04-18-2011, 11:53 AM

Had this happen about a week ago, rounding a corner, accidentally "double tapped" the paddles and dropped 2 gears and the car lurched twice, quite badly (almost enough the cause an involuntary biological event

). Pretty un-nerving, but hasn't happened since.

Officer Dibble · 04-19-2011, 02:20 PM

well, as i said i cannot put my finger on it. anyway, i have now changed tires and wheels and will try again over the next couple of days. to be honest, i did not pay attention to the traction lights. will look out for that as well. it all takes only a second or two and disappears. it happened on full auto mode, i have dct. the feeling was like it did not fall into gear properly or skipped a cog or three!!

04-16-2011, 11:19 AM	#1
Officer Dibble Enlisted Member Drives: sdrive35is Join Date: Jul 2010 Location: Switzerland Posts: 49 iTrader: (0)	jerky acceleration ...has anyone experienced this? I have noticed this a few times now. When i am accelerating there is a certain jerkyness. It is not always there. At first i thought it would be the winter tires but i dont think it is the tires slipping. I will be changing the tires soon and will try it again. Hope its nothing too serious.
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04-18-2011, 11:53 AM	#3
ChuckB Lieutenant Drives: 2009 BMW Z4 Join Date: Mar 2008 Location: Hockenheim, Germany (APO) Posts: 444 iTrader: (0) Garage List 2009 Z4 sDrive 3.0 [0.00] 2007 120d M-Sport L ... [0.00]	Had this happen about a week ago, rounding a corner, accidentally "double tapped" the paddles and dropped 2 gears and the car lurched twice, quite badly (almost enough the cause an involuntary biological event). Pretty un-nerving, but hasn't happened since. __________________ 2007 E81 - 120d Limited Sport Ed 2009 E89 - sDrive3.0

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04-18-2011, 09:51 AM	#2
suvidh Private First Class Drives: 2010 Z4 35i , 2011 f10 525d Join Date: Mar 2008 Location: India Posts: 113 iTrader: (0)	could be traction issue due to the tyres. Do you see the yellow traction light flickering when the jerks happen?

04-19-2011, 02:20 PM	#4
Officer Dibble Enlisted Member Drives: sdrive35is Join Date: Jul 2010 Location: Switzerland Posts: 49 iTrader: (0)	well, as i said i cannot put my finger on it. anyway, i have now changed tires and wheels and will try again over the next couple of days. to be honest, i did not pay attention to the traction lights. will look out for that as well. it all takes only a second or two and disappears. it happened on full auto mode, i have dct. the feeling was like it did not fall into gear properly or skipped a cog or three!!