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      09-12-2012, 11:58 AM   #1
evssss1
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Vibration during low RPM

Hello Everyone.

I have just got a 2005 E90 325i sedan for a few weeks.

Very recently I started to notice that there are weird vibration (can feel from the wheel as well as the chair) when the car is at low RPM from around 1300-1600. It is pretty obvious at low speed especially when I need to keep that RPM uphill....

At first I thought it might be related to my rim and tyres as the front control arms and bushings had been replaced. Later on this has been isolated as I can reproduce the same vibration with my car in idle in N mode by pressing the gas pedal to that RPM range.

Would it be possible to be caused by aged engine mounts?

Also I started feeling it to getting more obvious after changing the oil. My garage used Motul 5w-40 for me. I knew nothing about oil at that moment until recently I come across some posts that BMW engines are quite picky on oil. Not sure if it is related as well.

Any ideas / comments welcome.

Many thanks!
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      09-24-2012, 11:40 AM   #2
evssss1
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Any idea? The problem is getting more obvious in this week. Anyway I will send it to garage to check up soon.
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      06-24-2013, 12:09 AM   #3
killakill
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Quote:
Originally Posted by evssss1 View Post
Any idea? The problem is getting more obvious in this week. Anyway I will send it to garage to check up soon.
Hey ever find out what this is? I have the same issue
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      06-29-2013, 07:54 PM   #4
330idevil
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Quote:
Originally Posted by evssss1
Hello Everyone.

I have just got a 2005 E90 325i sedan for a few weeks.

Very recently I started to notice that there are weird vibration (can feel from the wheel as well as the chair) when the car is at low RPM from around 1300-1600. It is pretty obvious at low speed especially when I need to keep that RPM uphill....

At first I thought it might be related to my rim and tyres as the front control arms and bushings had been replaced. Later on this has been isolated as I can reproduce the same vibration with my car in idle in N mode by pressing the gas pedal to that RPM range.

Would it be possible to be caused by aged engine mounts?

Also I started feeling it to getting more obvious after changing the oil. My garage used Motul 5w-40 for me. I knew nothing about oil at that moment until recently I come across some posts that BMW engines are quite picky on oil. Not sure if it is related as well.

Any ideas / comments welcome.

Many thanks!
I suggest changing ur spark plugs and ignition coils. Your 325i is probably about to have a misfire in one of the cylinders. Your mounts are fine. I just did mine ran me 210$ ( 6 coils n 6 ngk plugs) , it's easy you can do it your self.
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      06-29-2013, 11:38 PM   #5
evssss1
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Finally the garage replaced the engine mounts for me and all vibration issues went away. It cannot even feel any vibration at idle with engine on
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