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Car surges when coming to a stop

Tiny
RYSSAK
  • MEMBER
  • 2007 BMW 318I
  • 2.0L
  • 4 CYL
  • RWD
  • AUTOMATIC
  • 61,000 MILES
When coming to a stop my car surges forwards, as if somebody got me in the back. This happens only when driving on hot, on cold starts for 10-15 mins I dont have it. After reading on bmw forums online people have this issue and its quite common. What could it be? Do I need tranny software update or ecu upgrade? Thanks.
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Saturday, March 29th, 2014 AT 3:18 AM

2 Replies

Tiny
KNOWLEDGE IS POWER
  • MECHANIC
  • 1,136 POSTS
Try putting the car in neutral when coming to a stop to see if the engine surges. Then down shift manually the next time to see if that makes a difference. If the motor goes smooth alone then you can definitely rule it out. Id say that a reprogram of the trans software is a good start. However, id check to see if theres any codes in the trans and engine computers as a communication problem between sensors can also cause these issues
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Saturday, March 29th, 2014 AT 7:38 AM
Tiny
RYSSAK
  • MEMBER
  • 2 POSTS
Thanks for your reply. I will follow your instructions.
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Sunday, March 30th, 2014 AT 7:39 AM

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