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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E46 (1999 - 2006)

E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 01-15-2013, 10:54 PM
JPSBMW44 JPSBMW44 is offline
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Location: Glenmore Park, Australia
 
Join Date: Jan 2013
Posts: 7
Mein Auto: 330Ci Convertible
E46 problems

Hi everyone, I'm new to an E46 and have a couple of problems with my 330Ci convertible that I purchased recently.
Firstly there is a rhythmic vibration/shudder in the car at 110 kmh (70 mph). the rhythm seems to be at about 4 second spacings, I've had the tyres balanced and a wheel alignment done, any idea what it could be? Centre bearing?? Tail shaft balance??
Also the top third of the TV/radio/OBC display is dull. I presume it's a dud backlight but don't know how to remove the unit from the car to check it or replace it, can anyone tell me how to remove it?
Thanks in advance
David
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  #2  
Old 01-16-2013, 11:02 AM
damadhatter damadhatter is offline
DaMadHatter
Location: Ohio
 
Join Date: Jan 2013
Posts: 7
Mein Auto: 04 330XI
Check your axles, one might be busted and can cause vibration. I had similar problem when driving on highway for a long period of time, I thought it was wheel bearing.
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Old 01-16-2013, 12:43 PM
jdauria jdauria is offline
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Location: Arlington, VA / NY
 
Join Date: Oct 2012
Posts: 773
Mein Auto: E39 ///M5
how many miles are the vehicle?

As for the backlight, there is a "rolling knob" next to the headlight switch, do you have it pushed all the way up?
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Old 01-16-2013, 09:49 PM
GoForthFast GoForthFast is offline
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Location: New York
 
Join Date: Jul 2004
Posts: 2,425
Mein Auto: '04 330Ci 6-speed
Guibo, center support bearing, wheel bearing, or more unlikely--diff problem.

What is the condition of your tires?
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