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LeeMcPeake View Drop Down
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Joined: 12-December-2002
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Direct Link To This Post Topic: 320iSE Problems
    Posted: 12-December-2002 at 16:47
I have a 320iSE 1990 it has a leaking petrol tank. Is this a common problem and is there an easy fix. I am also have a noise from the rear that sounds like wheel bearings but they are new. Can anyone help!
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kbannon View Drop Down
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E39 525i Sport Individual

Joined: 09-October-2002
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Direct Link To This Post Posted: 12-December-2002 at 20:32

There is no reports of dodgy fuel tanks on these cars but looking at the way the needle on my car goes down you would think that there was a leak! Is the petrol gushing out or is it a tiny hole? You may be able to ger one of the chemical metal repair jobs on it but don't hold your breath. Don't, by the way try and weld it!

As for the wheelbearing sound, try and see if the wheels shake when you (with the wheel raised) pull in & out @ the top and bottom of the wheel and also at the sides. Does it make noise when driving? in a straight line or on bends? Is it screeching or knocking?

Current: 2009 E60 520d "Sport" tractor
Previous: 1989 E30 320i SE
1997 E39 523i
2003 E39 525i Sport Individual
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nickp View Drop Down
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Direct Link To This Post Posted: 12-December-2002 at 20:48

hiya mate,

i had a similar prob a while back, might be no help to ya but here goes...

i had a funny sound at the back like a whirring noise. got it looked at and it turned out to be the propshaft bearing and bush were worn. cost me just over £100 to get sorted and car was good as gold after.

good luck mate and hope you get it sorted!

nick.

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JamesE30 View Drop Down
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Direct Link To This Post Posted: 19-December-2002 at 18:05

Lee,

I recently replaced the wheel bearing on the back of my 320.  If you jack the car up and test for play in the hub by shaking the wheel you won't experience any movement even if the bearing is worn due to the assembly of the bearing. The best thing to do is drive the car at about 40-50 mph and test to see whether the sound goes away or gets quieter when you go round left or right hand bends.  When the bearing in question gets loaded it will make more noise.  I experienced a lot more noise going roung left hand bends as a result of my offside rear bearing being worn.  It is possible that the bearing was damaged when fitted into the hub as it takes some force to fit it. 

Another idea to as well as Nick's as to the noise could be a worn diff.  This will be a whiring sound a bit like a wind up car as you roll to a standstill.  jack the car up and spin the rear wheels with your hands and feel for any excess play in the diff gears.

The pertol tank leak maybe coming from the pipe that joins the two two tanks.  It is S shaped and sits about 200mm infront of the axle carrier and about the propshaft.  Where it couples to the tanks I have seen these joints rust out before and leak.

Hope this helps,

James
BMW E30 327i
BMW E30 318is
BMW E34 518iSE
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