Water leak
Moderator: martauto
could be
. a blockage in the sculltle pannel causing a overflow behind the bulkhead
. the "elephant trunking in the engine bay is blocked up and causing an overflow
. the front window has a leak and is dripping in
. under th e car, in the flooor pan , the drain plugs are lettin in water as u drive in the we or use an under car wash program at the local garage
. there is a pipe/ cable that runs from the brakes, up through the inner wheel arch and is sealed with a rubber bung, if this is old or worn/ cracked it could leak into the foot well from underthe carpets
. rubber seal nearest to the windscreen is lettin in water
. rusted arches
and a few more i cant think of
. a blockage in the sculltle pannel causing a overflow behind the bulkhead
. the "elephant trunking in the engine bay is blocked up and causing an overflow
. the front window has a leak and is dripping in
. under th e car, in the flooor pan , the drain plugs are lettin in water as u drive in the we or use an under car wash program at the local garage
. there is a pipe/ cable that runs from the brakes, up through the inner wheel arch and is sealed with a rubber bung, if this is old or worn/ cracked it could leak into the foot well from underthe carpets
. rubber seal nearest to the windscreen is lettin in water
. rusted arches
and a few more i cant think of
ok, in the back,
. the rubber seal is kinked in the top corners and lettin in water (dripping onto blind
. the washer bottle, pump or hoses are leaking, first 2 would be local leaks though
where is the water, as that kiinda helps
, and im in Denmark
. the rubber seal is kinked in the top corners and lettin in water (dripping onto blind
. the washer bottle, pump or hoses are leaking, first 2 would be local leaks though
where is the water, as that kiinda helps
, and im in Denmark
all good bruvsy 
and i just realised im giving you advice on a touring , not a saloon,
if your gettin water in the two "wells" either side of the boot, then check behind the "boomerangs" thopse are the bommerang shaped bits of trim that hug round the raer quart windows
if you tug them out, from top tio bottom, carefully but yu have to give em a bit, have a look for blockage
also if u have a sunroof, there are also drains for them too
but i dont have one so i cant help there
best thing to do, get a big torch and a hose, then take out as much trim as possible form inside and water the car untill u see the leak,
i remember someone saying they got in the boot of theres looking for leaks, so ...
and i just realised im giving you advice on a touring , not a saloon,
if your gettin water in the two "wells" either side of the boot, then check behind the "boomerangs" thopse are the bommerang shaped bits of trim that hug round the raer quart windows
if you tug them out, from top tio bottom, carefully but yu have to give em a bit, have a look for blockage
also if u have a sunroof, there are also drains for them too
but i dont have one so i cant help there
best thing to do, get a big torch and a hose, then take out as much trim as possible form inside and water the car untill u see the leak,
i remember someone saying they got in the boot of theres looking for leaks, so ...
- Brianmoooore
- E30 Zone Team Member

- Posts: 49358
- Joined: Mon Jan 10, 2005 11:00 pm
Two missing from that list.
If you've got a sunroof, then the front drain pipes drain into the front cills, and if the long slots at the bottom of the cills aren't clear, then they overflow into the car ( corroding out your central locking module along the way).
Immediately below the bases of the front seats, (look from underneath the car), there are two round metal plates which twist into place with three metal lugs. These come loose/ rust out.
If you've got a sunroof, then the front drain pipes drain into the front cills, and if the long slots at the bottom of the cills aren't clear, then they overflow into the car ( corroding out your central locking module along the way).
Immediately below the bases of the front seats, (look from underneath the car), there are two round metal plates which twist into place with three metal lugs. These come loose/ rust out.
I've got the same problem with my 325. I managed to trace the problem to the rear passenger window. If you remove the back seat (the bottom of mine was soaked) then the water runs down the back behind the seat, collects in the well at the bottom and then overflows into the front passenger footwell.
Haven't got round to fixing it yet but should be straightforward.
Haven't got round to fixing it yet but should be straightforward.
- FlashBastd
- E30 Zone Newbie

- Posts: 233
- Joined: Sat Aug 13, 2005 11:00 pm
- Location: West Yorks
Sorry to revive a dead thread, but at least it shows that "search" works"!
I am getting water in the n/s pocket in the boot of my touring, I am guessing the boomrang part is the most likely culprit, but there is no sign of any damp other than in that pocket, and when I washed it the other day it gained around 1/2 and inch in there!
As the car was facing downhill when I washed it, it is unlikely to be the rear sunroof drain hoses, and the hose on the n/s seems to be securely in place. The washer bottle is full, so it isn't that.
Someone suggested the lamp seals, is this likely?
Someone else suggested that there was a drain hole somewhere in that cubby, where abouts is it?
Thanks guys!
I am getting water in the n/s pocket in the boot of my touring, I am guessing the boomrang part is the most likely culprit, but there is no sign of any damp other than in that pocket, and when I washed it the other day it gained around 1/2 and inch in there!
As the car was facing downhill when I washed it, it is unlikely to be the rear sunroof drain hoses, and the hose on the n/s seems to be securely in place. The washer bottle is full, so it isn't that.
Someone suggested the lamp seals, is this likely?
Someone else suggested that there was a drain hole somewhere in that cubby, where abouts is it?
Thanks guys!
1993 E30 318i Lux Auto Touring - SOLD
2001 Ford Mondeo 2.5 Zetec-S 5dr - SOLD
2004 Lexus IS300 Limited Edition Auto - SOLD
2005 Honda CR-V 2.0i Executive Auto
2001 Ford Puma 1.7i Black
2001 Ford Mondeo 2.5 Zetec-S 5dr - SOLD
2004 Lexus IS300 Limited Edition Auto - SOLD
2005 Honda CR-V 2.0i Executive Auto
2001 Ford Puma 1.7i Black
- Brianmoooore
- E30 Zone Team Member

- Posts: 49358
- Joined: Mon Jan 10, 2005 11:00 pm
Sprinkle some talcum powder around and wash it again.
Drain hole is near the front of the pocket well and is formed by a small fold in one half of a join in the panels. Usually totally covered in sealant.
Drain hole is near the front of the pocket well and is formed by a small fold in one half of a join in the panels. Usually totally covered in sealant.
- FlashBastd
- E30 Zone Newbie

- Posts: 233
- Joined: Sat Aug 13, 2005 11:00 pm
- Location: West Yorks
Will try that, thanks.
1993 E30 318i Lux Auto Touring - SOLD
2001 Ford Mondeo 2.5 Zetec-S 5dr - SOLD
2004 Lexus IS300 Limited Edition Auto - SOLD
2005 Honda CR-V 2.0i Executive Auto
2001 Ford Puma 1.7i Black
2001 Ford Mondeo 2.5 Zetec-S 5dr - SOLD
2004 Lexus IS300 Limited Edition Auto - SOLD
2005 Honda CR-V 2.0i Executive Auto
2001 Ford Puma 1.7i Black
Hi Check the hose to your rear screenwash has not come off.FlashBastd wrote:Sorry to revive a dead thread, but at least it shows that "search" works"!
I am getting water in the n/s pocket in the boot of my touring, I am guessing the boomrang part is the most likely culprit, but there is no sign of any damp other than in that pocket, and when I washed it the other day it gained around 1/2 and inch in there!
As the car was facing downhill when I washed it, it is unlikely to be the rear sunroof drain hoses, and the hose on the n/s seems to be securely in place. The washer bottle is full, so it isn't that.
Someone suggested the lamp seals, is this likely?
Someone else suggested that there was a drain hole somewhere in that cubby, where abouts is it?
Thanks guys!

- FlashBastd
- E30 Zone Newbie

- Posts: 233
- Joined: Sat Aug 13, 2005 11:00 pm
- Location: West Yorks
Thanks, checked that earlier, and the level hasn't gone down enough to explain the amount of water.
1993 E30 318i Lux Auto Touring - SOLD
2001 Ford Mondeo 2.5 Zetec-S 5dr - SOLD
2004 Lexus IS300 Limited Edition Auto - SOLD
2005 Honda CR-V 2.0i Executive Auto
2001 Ford Puma 1.7i Black
2001 Ford Mondeo 2.5 Zetec-S 5dr - SOLD
2004 Lexus IS300 Limited Edition Auto - SOLD
2005 Honda CR-V 2.0i Executive Auto
2001 Ford Puma 1.7i Black



