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Shaking when cold start
After I start the car on a coldstart when The Idle starts to lower the car seems to shake for a couple of seconds. Does this happen to anyone else? |
Originally Posted by danktastic1
(Post 25264177)
After I start the car on a coldstart when The Idle starts to lower the car seems to shake for a couple of seconds. Does this happen to anyone else? https://www.audiworld.com/forums/s4-...-idle-2953635/ |
Originally Posted by danktastic1
(Post 25264177)
After I start the car on a coldstart when The Idle starts to lower the car seems to shake for a couple of seconds. Does this happen to anyone else? My S4 does the same thing. I had this same experience in my last two BMW 3 series as well. |
Yes. 2018 A4. Shakes for more that just a couple of seconds, more like 15-20 seconds.
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Same What they said...
seems to idle "rough" for a few mins untill it comes off of high idle.. sometimes longer.. I thought it might be a problem but sounds "normal" now... |
It is a function of the B-cycle valve timing, can be a bit lumpy at idle in certain states. If it bugs you, just flick the transmission lever to S mode, then it will stop shaking.
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Mine does too. I think the transmission mount inserts sold by various sources tighten things up a bit (less shaking), according to some members here. I am thinking of doing that.
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mine used to do that the first few thousand miles, now it doesn't
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Mine does it as well.. Smoothes out within a minute or so, after 13K miles.
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