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cold start always vibrating when rpms drop to 600
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02-24-2022, 02:51 AM | #1 |
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cold start always vibrating when rpms drop to 600
So after not driving the car for lets say one day. if i cold start at 47 F. It always feels so vibrate that i can feel it in my seat. Bmw 330i 6 speed manual. New valvetronic motor and sparkplugs and disa. Is this normal?
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02-24-2022, 09:28 AM | #3 |
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+1 to motor mounts.
You can adjust idle using ISTA (and possibly INPA too?), but I’d only do this if you’re sure the low idle isn’t caused by something else.
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02-24-2022, 04:24 PM | #4 |
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Lol. I have new motormounts since summer. Bmw genuine. new TRANS MOUNTS ALSO. All bmw genuine
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02-24-2022, 04:38 PM | #6 |
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02-24-2022, 04:55 PM | #7 |
Is it the shoes!?
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02-24-2022, 05:43 PM | #9 |
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02-25-2022, 02:17 PM | #11 |
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It's ironic that I just saw this post. I drove my 330i this morning for the first time in a week (sitting in the garage the whole time) and noticed that it was vibrating at idle after the RPMs dropped. Never had this happen before. After driving I also noticed some mild lifter tick at certain RPMs until the engine was fully warmed up.
My engine and transmission mounts are also relatively new, installed Corteco (OEM) mounts last year. It has been a bit colder lately at least during the mornings, so maybe that's the cause. Once the engine is fully warmed up it's not vibrating or ticking so I'm not too concerned. My original dual mass flywheel seems to be on its way out - I get some clicking and chattering from it occasionally. For example, if I rev the engine while in neutral I can hear some rattle when I let off the gas and the tension unloads. I wonder if the cold idle vibration has something to do with that? |
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02-25-2022, 03:06 PM | #12 | |
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