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Rainwater in footwell of BMW Z3. Where are drainage holes

The footwell on the drivers side of my BMW Z4 gets very wet . I am wondering if the drain holes are blocked . How do I get at them. Thank you.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

WildBill49
  • 97 Answers

SOURCE: A/C drainage issue

Hi Jay!

The problem is condensation on the evaporator coil not being caught and drained to the outside. There is a catch-pan under the evaporator coil where condensate should collect, and from that catch pan there is a drain hose leading to underneath the floor pan where it should then drain to the ground.

If that hose has become disconnected, clogged, cracked or pulled from it's exit hole, that water will collect on your floor and cause the problem you have described.

I'd be disappointed in a mechanic who could not solve such a simple and common problem... and I'd be looking for a new one!!!

Hope this sheds some light on the issue and helps you get it resolved. Do not hesitate to ask if you have further questions or to post comments, let us know how it goes, and please be so kind as to rate my advice....

Thanks and good luck!
-WildBill

Posted on Jun 18, 2008

  • 6 Answers

SOURCE: warter getting inside car golf 2003

sunroof guttering blocked try getting an airline around the sunroof when open and blowing down there ??

Posted on Nov 17, 2008

  • 3 Answers

SOURCE: BMW Z3 SPORTS CAR 1998

its the dreaded seat rock syndrome, plenty of fixes on the forums, basically you have to replace spacers in set drive mechanism. I did with the help of a friend after ordring bushes and it was quite easy.

Posted on Nov 28, 2008

joecoolvette
  • 5660 Answers

SOURCE: water leaking into footwell drivers side of suzuki

Yes, the plastic caps at the bottom of the footwell, are for drainage. (Don't forget to replace them. You may not be pleased with yourself, if you don't, on a real rainy day!)

Does the water have a real nasty smell, and the inner windshield has a film on the inside? If so, then you have a heater core leak, and it's antifreeze.

If not, your air conditioning drain duct is plugged, and needs to be cleaned out. I also suggest a real weak solution of bleach and water, to be applied in this area, to kill any mildew that might form. (Unless you are allergic to bleach. If so, you may want to try an alternative. Mildew is bad for your respiratory system)

Posted on May 16, 2009

  • 38 Answers

SOURCE: 1998 BMW Z3 2.8 Idles rough when cold starting in wet weather

the problem could be in air mass flow sensor, but it's expensive

Posted on Jul 07, 2009

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1 Answer

I have water getting to drivers footwell which seems to be coming in from bottom of the door what can be causing it


first of all drill a hole in the lowest part of the floor to let the water out ,then look under the bonnet and where the wiper motor is check the drain holes at either side under the grill trim where the cab air is drawn in

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1999 volvo s70 problems What must I do to get the rain water drainage system working properly ?


Do you have a sunroof? Cars have drainage holes up there that often drain into the door jamb on the front doors and sometimes down the rear pillars and behind the trunk/boot lining and exit the car near the wheel wells. Often, the connection at the top to the pipe comes off at the top corner of the windscreen.

Others have the same problem. Sunroof drain mentioned and how to fix.

https://www.youtube.com/watch?v=NgIdq1ha0go

More info here

1999 volvo s70 problems rain water drainage...

Mar 21, 2017 | 1999 Volvo S70

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Does the convertible top of a bmw z4 operates with hyrdalic oil ?


Yes. There is a pump, that usually brakes due to rainwater. In newer models it it better sealed. New pump costs unfortunately about 1000 euros. sorry to bring you bad news.

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1 Answer

BMW '98 740i: When it rains water puddles on drivers floor. What are possible causes and fixes? Are there any related videos?


The sunroof drain hole on the drivers side could possibly be clogged up, allowing water to overflow and drain down the inside of the windshield post and onto the drivers side floor. Have that checked first since it's quite easy to see, with the sunroof opened all the way.

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A puddle appears on the front passenger side floor when it rains and car has been parked not used. Nothing else appears wet except the floor.


GM cars used to be notorious for leaking rain water in around the edge of the front windshield. There is also a rainwater drainage system on the front, generally where the wipers are located and the drain hole on the bottom of that can become clogged.

Nov 17, 2010 | Chevrolet Impala Cars & Trucks

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Water in the footwell


Check under the hood on the firewall on the driver's side. There are body grommets which sometime crack, fall out, or are damaged by stereo installers, trailer brake controller installation, or CB/shortwave radio installers. Also, if you smell antifreeze, it is a coolant leak. If you smell mildew, it is rainwater entering the cabin. Your windshield could be leaking.
And the worst, and incurable: a body seam weld could have broken.

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2 Answers

Footwell on passenge side at front soaking


there is either a torn vapor barrier on the passenger door or the sunroof drains are blocked

Nov 18, 2009 | 1999 BMW 5 Series

1 Answer

2002 bmw 325xi floor on front wet when it rains


Hi,
You've mentioned the exact problem i had with my own car. There are either two reasons for this. One could be a leaking front windscreen drainage of rainwater that drains into the car....check that. You need to also check that your windows close air tight when you wind up and there is no opening.

BW & Cheers.

Oct 16, 2009 | 2001 BMW 325

2 Answers

Water leaking into footwell drivers side of suzuki liana, seems to be coming from the right side of the windscreen,is there and if there is a blocked drainage hole would that filter into the foot well,...


Yes, the plastic caps at the bottom of the footwell, are for drainage. (Don't forget to replace them. You may not be pleased with yourself, if you don't, on a real rainy day!)

Does the water have a real nasty smell, and the inner windshield has a film on the inside? If so, then you have a heater core leak, and it's antifreeze.

If not, your air conditioning drain duct is plugged, and needs to be cleaned out. I also suggest a real weak solution of bleach and water, to be applied in this area, to kill any mildew that might form. (Unless you are allergic to bleach. If so, you may want to try an alternative. Mildew is bad for your respiratory system)

May 16, 2009 | 2003 Suzuki Vitara

9 Answers

Renault megane scenic ( t-reg)


The sunroof drainage gets blocked.

your footwells will fill with water - even under your seats right to the back seats footwells

See two 10mm holes in front sides when sunroof is open.
a) push a flexible cable down from the top - it comes out just behind the front wheels. (use electric three core cable - or TV aerial cable - a hanger is too short) - you need about a metre and a half)
b) remove the inner mudgaurd behind the front wheels (2 screws) you will see the end of the plastic drainage pipes - remove the blocked black rubber cup at the end of these - why they are there is anybody's guess)

May 29, 2008 | Renault Megane Cars & Trucks

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