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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E30 (1982 - 1993)

E30 (1982 - 1993)
God's Chariot. The E30 was produced primarily from 1982 through 1991. The cabriolet was the one exception which was produced through 1993.

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  #1  
Old 12-28-2012, 10:14 PM
tim96 tim96 is offline
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Mein Auto: bmw e30 320i
Carpet wet by drivers foot pedal (rhd)

My right hand drive e30?has damp carpet in the drivers footwell area but the elephant trunk is clear .. What else could be causing this?
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  #2  
Old 12-28-2012, 11:44 PM
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BMWFatherFigure BMWFatherFigure is offline
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Mein Auto: E23;E30;E38;E32;E34 +
Rain. Windscreen leaks. Heater leaks. Rusted floor. Door drain holes blocked.
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Last edited by BMWFatherFigure; 12-28-2012 at 11:46 PM.
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  #3  
Old 12-29-2012, 12:41 AM
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_Ethrty-Andy_ _Ethrty-Andy_ is offline
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Mein Auto: E34 Touring AC Schnitzer
most likely leaking heater matrix, check your coolant level will confirm
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  #4  
Old 12-29-2012, 01:37 AM
tim96 tim96 is offline
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Im back again. Not thrilled at the water leak :/ but at least I know where it is coming from. Didin't take more pictures because I did not think it was that significant, but I will describe it as best as I can.

Car smelt damp after rain. I felt dampness by the foot rest (next to the clutch) and thought it was the well known elephant trunk. I have rubber floor mats never bothered to really check under them. Removed carpet and underside was fairly damp, like the whole floor pan area. Luckily no rust.

Put hose on outside with carpet removed and saw water dripping from this..(it is the rubber grommet for the air con lines).
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After about 1.5 minutes with the hose on the outside there was a 1/2 piece of bread sized puddle on the floor pan.. no wonder the carpet was soaked. Hate to think what it is like after a few hours of rain

Why was water getting on the rubber gromet for the aircon lines anyway that is in the engine bay.. lifted the bonnet, battery tray had a great puddle.

Part of the problem is a worn bonnet lip seal that runs along below the windshield.

But the main problem is a little bit of suspected rust which lets water drip through where the front wheel arch panel joins the car. It drips through to the battery area. Also any water entering the air vents by the window wipers must be going through another bit of rust. They both drip through by the bit where the bonnet slots in near the battery, directly above the grommet for the air con lines.

I have a little bit of work to do..

Last edited by tim96; 12-29-2012 at 01:39 AM.
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  #5  
Old 12-29-2012, 05:11 AM
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BMWFatherFigure BMWFatherFigure is offline
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Sorry about the rust. Never cheap or easy to fix properly.
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  #6  
Old 01-01-2013, 03:35 PM
tim96 tim96 is offline
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Ok im trying to work out why exactly this is happening. On second look water does not seem to drip on the air con line grommet when it enters the vent by the window wiper. I thought it was the other day when I had the hose but just tried with my drink bottle. So maybe it was just a bit running onto where the front fender attaches to the car.

If water hits the seam where the fender is bolted it drips through underneath where the bonnet bracket is and onto the grommet for the air con lines but why. It looks like a previous owner had had this too because there is a bit of glue on the seam but it wasn't glued from factory was it? so why is it dripping through. It is hard to photograph up under the bonnet bracket obviously but i looked with a mirror and torch and it does not look like it is dripping through rust it drips off this small edge of metal.
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if water goes over this seam it drips through
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notice the air con line grommet and rust. But the drips dont come from the rust they come from up under the small box shaped bracket the bonnet holder is bolted into

Last edited by tim96; 01-01-2013 at 03:41 PM.
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  #7  
Old 01-02-2013, 01:56 AM
tim96 tim96 is offline
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I removed the plastic cover inside the wheel arch and found this..
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Getting rid of that must help the drainage situation, flip I spray the hose under the arches each time I clean it so I thought my car was clean. Must be about 1.5 kg worth of dirt which was so neatly compacted up behind the plastic it looked like part of the car.. until I stuck the screw driver into it. I am going to remove the fender just to have a good look and be sure .. I hope things don't get too bad in terms of rust discovery

The plus side is after I clean out the wheel arch on the other side my car will be about 3kg lighter

Last edited by tim96; 01-02-2013 at 02:03 AM.
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  #8  
Old 01-06-2013, 01:13 AM
tim96 tim96 is offline
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So I found where it is leaking in and at the moment I am cleaning the area up. Took the fender off and everything else looks fine no nasty surprises. Photo is by the battery by the way.
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Although I am a bit noob in the area. How should I repair it? The metal is lifted slightly due to rust where the arrow is pointing. Should break the tack welds bend it up and remove rust underneath? the only thing is I don't know how to weld.

Or should I just paint rust killer on the area?

Last edited by tim96; 01-06-2013 at 01:14 AM.
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  #9  
Old 01-06-2013, 01:37 AM
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BMWFatherFigure BMWFatherFigure is offline
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The more you spend getting rid of the rust the less likely it is to come back. Good/fast/cheap - ring any bells? Find a good body shop and bite the bullet.
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Good - Fast - Cheap: Pick any two.
Current:
E23 735i; E32 735iL (X 2 - 1 Alpine White and 1 Glacier Blue); E34 535i; E38 735iL; R50 Cooper; R55 Cooper Clubman.
Previous:
E21 318i; E30 318i; E32 735iL; E34 535i; E38 730iL; E53 4.4i
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