BMW 3 Series water leakage in footwell

2002 BMW 3 Series Problem

Ref#16684
CarBMW 3 Series 2 litre compact diesel
Year2002
Ownerplated
Posted08/05/2014
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Owned this car from new - its been low cost carefree motoring apart from new turbo 4 yrs ago.. ouch!
Now however there is water coming into the footwell around the excelerator pedal and clutch pedal..any ideas what maybe problem please as carpet saturated in those areas..??
Problem Category
Engine, Cooling System & Drivetrain

Gearbox & Clutch

Leaks & Noises, Interior and Bodywork


Solution 1
whittingehame | Legend | Since: Oct 2009 | Posts: 444 | Fixes: 11466 | View Garage
Suggested Solution

Check bulkhead water drains in the corners , can get blocked with leaves etc.


Posted on Thursday 8th of May 2014
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Solution 2
tony811976 | Driver | Since: May 2014 | Posts: 0 | Fixes: 357 | View Garage
Suggested Solution

The older BMWs we run e30s have a common fault with the sunroof drains leaking into car also water can enter through the vents just below the windscreen.


Posted on Friday 9th of May 2014
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From Original Poster
plated | Driver | Since: May 2014 | Posts: 0 | Fixes: 5 | View Garage
Suggested Solution

Thanks for response how do I gain access to this area? Do you mean vent on righthandside of dashboard or under bonnet facing dashboard..drivers side..looks like I would need bmw tools for this as latter are plastic snap on type rivets two part dome shape with small hole in centre of middle domed rivet..any ideas please? Cheers Paul


Posted on Sunday 11th of May 2014
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Solution 3
whittingehame | Legend | Since: Oct 2009 | Posts: 444 | Fixes: 11466 | View Garage
Suggested Solution

Under bonnet at rear ( bulkhead ) the rivet you describe is usually held in by the centre pin spreading it .


Posted on Sunday 11th of May 2014
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From Original Poster
plated | Driver | Since: May 2014 | Posts: 0 | Fixes: 5 | View Garage
Suggested Solution

Thanks for confirming that is correct area yes can see those two black plastic domed rivets with the centres you describe..now what tool will open these up as the hole is small and round..all pointers appreciated!


Posted on Sunday 11th of May 2014
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Solution 4
whittingehame | Legend | Since: Oct 2009 | Posts: 444 | Fixes: 11466 | View Garage
Suggested Solution

If you prise the rivet up slightly with a flat bladed screwdriver and then push down again it exposes enough of centre pin to get a grip off and then raise fully , allowing removal .We always had new rivets so were unconcerned if they were damaged on removal but a little patience and you will be o.k.


Posted on Sunday 11th of May 2014
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From Original Poster
plated | Driver | Since: May 2014 | Posts: 0 | Fixes: 5 | View Garage
Suggested Solution

Thats great advice I will give it a go tonight..many thanks indeed


Posted on Monday 12th of May 2014
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From Original Poster
plated | Driver | Since: May 2014 | Posts: 0 | Fixes: 5 | View Garage
Suggested Solution

Home from work and did what you instructed and I very soon realised I hadnt solved the problem sadly; as it had been a dry day but the weather conveniently changed to a heavy downpour with inch hailstones too so I sat in the drivers seat and I could see in action where the rain was coming in as it poured down outside..its seeps around doorseal where just about the seal changes directiion from 45 degrees to vertical ..then runs hit doorcill and runs into footwell where it pools up and saturates the carpet in area where pedals are..help please!


Posted on Monday 12th of May 2014
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Solution 5
tony811976 | Driver | Since: May 2014 | Posts: 0 | Fixes: 357 | View Garage
Suggested Solution

Surely it must be the door seal then mate don't you think?


Posted on Tuesday 13th of May 2014
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From Original Poster
plated | Driver | Since: May 2014 | Posts: 0 | Fixes: 5 | View Garage
Suggested Solution

Tony yep this looks the most likely..is it something to replace with BMW or Europarts and do you think its within remit of amateur! Cheers Paul


Posted on Tuesday 13th of May 2014
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Solution 6
whittingehame | Legend | Since: Oct 2009 | Posts: 444 | Fixes: 11466 | View Garage
Suggested Solution

This explains the other cause of water penetration with the vapor barrier .


http://www.youtube.com/watch?v=gbpeSo7mKio


Posted on Tuesday 13th of May 2014
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