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E46 Xi Forum
The E46 XI was produced from 01-05 in sedan and touring body styles. Powered by either a 2.5L inline 6 in the 325xi or a 3.0L inline 6 330xi. Discuss all thing about BMW AWD E46 'Xi' here.

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Old 12-14-2013, 10:22 PM   #1
reece3223
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Join Date: Dec 2013
Location: minnesota
Posts: 5
My Ride: 2003 330xi
below 0 vibration 2003 330xi

Noticed a vibration the end of last winter when accelerating almost like the motor is missing but no loss of power. I would let off the accelerator then accelerate again the vibration stopped. once the temperature warmed up no problems, no problems during the summer months. Today at negative 15 degrees same thing began happening only this time the vibration did not stop when i let off the accelerator, after reaching hyw speed it would diminish but not completely go away. Any suggestions on where to begin.
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Old 12-14-2013, 11:00 PM   #2
Iggy27
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Join Date: Nov 2012
Location: Inkom
Posts: 508
My Ride: 2003 330xi
below 0 vibration 2003 330xi

My xi engine is acting weird when it's cold. Iam checking for vacuum leaks


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Old 12-15-2013, 02:43 PM   #3
phoopsta
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Join Date: Dec 2013
Location: Colorado
Posts: 579
My Ride: 02 330xi 3-pedal
Quote:
Originally Posted by reece3223 View Post
Noticed a vibration the end of last winter when accelerating almost like the motor is missing but no loss of power. I would let off the accelerator then accelerate again the vibration stopped. once the temperature warmed up no problems, no problems during the summer months. Today at negative 15 degrees same thing began happening only this time the vibration did not stop when i let off the accelerator, after reaching hyw speed it would diminish but not completely go away. Any suggestions on where to begin.
My 02 330xi makes all sorts of noises below 0 temps on cold starts. recently its been -25F.

well as of yesterday and today its warmed up a ton to about 36 degrees and all the noises went away.
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Old 12-29-2013, 08:23 PM   #4
reece3223
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Join Date: Dec 2013
Location: minnesota
Posts: 5
My Ride: 2003 330xi
problem is getting worse no vacuum leaks that I could find. Now when in gear and stopped say at a red light the car is vibrating this is not temperature related I can put it in neutral and the vibration stops. I am going to inspect the motor and transmission mounts next weekend. will update as i dig in further.
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Old 12-30-2013, 07:11 AM   #5
SamDoe1
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Join Date: Oct 2010
Location: Minnesnowta
Posts: 3,519
My Ride: Clubs baby seals
Re: below 0 vibration 2003 330xi

This car doesn't really like cold all that much. Mine makes a bunch of weird sounds when cold and they all go away once the car warms up.

Your particular sound and feeling is probably not cold related. I'd check and replace the motor mounts and clean all the sensors and parts that contribute to idle speed. This means the MAF, ICV, intake temp sensor, and DISA valve.

Last edited by SamDoe1; 12-30-2013 at 07:11 AM.
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Old 12-30-2013, 08:00 AM   #6
Busy
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Join Date: Dec 2013
Location: Guys, stop spraying your wheels black; it looks awful.
Posts: 83
My Ride: 01 330xi
following

Last edited by Busy; 12-30-2013 at 08:00 AM.
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Old 12-31-2013, 09:18 PM   #7
reece3223
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My Ride: 2003 330xi
Problem solved
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Old 01-01-2014, 03:13 AM   #8
Iggy27
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Join Date: Nov 2012
Location: Inkom
Posts: 508
My Ride: 2003 330xi
below 0 vibration 2003 330xi

Quote:
Originally Posted by reece3223 View Post
Problem solved
You literally just get in a wreck? You ok?


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Old 01-01-2014, 08:08 AM   #9
tomoyer
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Join Date: Aug 2011
Location: Reading, Pennsylvania
Posts: 784
My Ride: 03 325xi, 03 330xi
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Hope you are ok, as far as the problem being solved, maybe as "hidden damage" maybe not if the car is being repaired (sure doesn't look as though it would be totaled out).
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Old 01-01-2014, 06:42 PM   #10
reece3223
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Join Date: Dec 2013
Location: minnesota
Posts: 5
My Ride: 2003 330xi
The better half had an intersection crash no one was hurt. It looks like the frame is bent. I do not think the ins. will cover the repair.
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Old 01-02-2014, 11:35 AM   #11
Pierce1
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Join Date: Nov 2010
Location: LaConner WA.
Posts: 283
My Ride: 03 330xi
below 0 vibration 2003 330xi

Damn!! Sorry to see that happen. Glad she's ok!! I have experienced the exact same vibration issue in my car. Though I thought it was drive train related, and was thinking it was maybe in the main drive shaft.
Now I guess I'll never know. I haven't experienced it in a while though.


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