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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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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
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Old 01-16-2013, 11:02 AM
damadhatter damadhatter is offline
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
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Posts: 934
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: 3,508
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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