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      09-30-2012, 10:44 AM   #6
Enlisted Member

Drives: 2013 BMW X3 28i
Join Date: Nov 2011
Location: Denver, CO

Posts: 33
iTrader: (0)

I have experienced a jerking or pulsating on acceleration in that RPM range on my 2013 28i.

I asked the dealer about it and they said they couldn't reproduce it and it was likely due to the gas I was using. Of course.

I don't think its the transmission though. Because I've gone into manual and experienced it too.

Interestingly, I haven't experienced it since the weather here has cooled off. Seems like I will have the issue occasionally if the temp outside is above 85F or so.