Not joined yet? Register for free and enjoy features such as alerts, private messaging and viewing latest posts and topics.

Water ingress e89

warmasice
Member
Member
Posts: 875
Joined: Sun Apr 26, 2015 7:16 pm

Water ingress e89

Post by warmasice » Sun Apr 11, 2021 8:04 pm

clarker63 wrote: ↑Sat Apr 10, 2021 7:50 pm
warmasice wrote: ↑Thu Apr 08, 2021 11:13 am Similar issue here. 6 weeks ago my roof stopped operating - I'd noticed water below the battery with the foam cradle completely soaked. Lots of condensation in the boot too. I dried it all out as best as I could.

I've now had the roof repaired and the technician said it's as dry as a bone in there. I'm not sure if it's due to a lack of rain, not washing the car or not driving in the rain (haven't driven it at all in the last 6 weeks).

Anyhow, I've ordered a set of boot vents and tail lamp seals. Hoping this will resolve my issue? Is there anything else I should be looking for?

Appreciate any input, no matter how big or small.πŸ‘
look in here... top seal is the main issue I had..
viewtopic.php?f=45&t=115469&start=15
Here's an update. I replaced the both rear light seals and both vents today. No issue with the top seal but will keep an eye on it. The offside vent was a bit of a nightmare with that foam box, got there in the end.

Here's the nearside vent. Gasket was unseated and not in the best shape (I dried up any moisture you can see):
20210411_131608.jpg
20210411_131608.jpg (187.07 KiB) Viewed 1385 times
And here's the new one. Feels much tighter when installed. The old one felt loose (could easily be moved up and down):
20210411_135933.jpg
20210411_135933.jpg (292.56 KiB) Viewed 1385 times
Oddly, the nearside rear light seal wasn't seated correctly (replaced both sides anyway). You can see here, how the rubber didn't lip over the inside of the sheet metal:
20210411_131727.jpg
20210411_131727.jpg (167.53 KiB) Viewed 1385 times
Here's one of the new rear lamp seals. Made sure to lip into the inside for a double seal:
20210411_142454.jpg
20210411_142454.jpg (97.43 KiB) Viewed 1385 times
I spent a long time testing for leaks with a watering can; with the roof up and down, around all the seals, light clusters, pretty much everywhere. No leaks... Yet.

I've not put all the boot trim back yet. I'd like to do some longer term testing. Jet wash, driving in the rain etc. Hopefully that'll be the end of it, but who knows.
Image

warmasice
Member
Member
Posts: 875
Joined: Sun Apr 26, 2015 7:16 pm

Water ingress e89

Post by warmasice » Mon Apr 12, 2021 9:32 pm

Tested the new vents and rear light seals today with a watering can, hose pipe and jet washed the whole car. No signs of any water entering the boot. I'm hoping I've resolved the issue but I'm going to wait until it rains and drive in the wet - just to be sure! :driving:
20210412_180851.jpg
20210412_180851.jpg (89.67 KiB) Viewed 1356 times
Image

warmasice
Member
Member
Posts: 875
Joined: Sun Apr 26, 2015 7:16 pm

Water ingress e89

Post by warmasice » Sat Apr 17, 2021 9:02 pm

Just an update. After having replaced the boot vents and both tail light seals - and tested for leaks daily, I've had no further water ingress. The boot is completely dry!

I've replaced both the salmon relays as a preventative measure too. :driving:
20210414_172800.jpg
20210414_172800.jpg (132.06 KiB) Viewed 1323 times
Last edited by warmasice on Sun Apr 18, 2021 11:22 pm, edited 1 time in total.
Image

User avatar
RobbiZ4
Senior Member
Senior Member
Posts: 1230
Joined: Wed May 16, 2018 10:12 am
Location: Munich
Contact:

Water ingress e89

Post by RobbiZ4 » Sun Apr 18, 2021 10:20 am

warmasice wrote: ↑Sat Apr 17, 2021 9:02 pm The boot is completely dry!
I've replaced both the salmon replays as a preventative measure too. :driving:
2x perfect work! :thumbsup:
Pardon, je suis Allemand :oops:
:ant:
E89 Roof Maintenance
viewtopic.php?t=130932

Y3 Roof Diagnostic System
viewtopic.php?f=23&t=129048
Image

warmasice
Member
Member
Posts: 875
Joined: Sun Apr 26, 2015 7:16 pm

Water ingress e89

Post by warmasice » Sun Apr 18, 2021 11:25 pm

RobbiZ4 wrote: ↑Sun Apr 18, 2021 10:20 am
warmasice wrote: ↑Sat Apr 17, 2021 9:02 pm The boot is completely dry!
I've replaced both the salmon relays as a preventative measure too. :driving:
2x perfect work! :thumbsup:
Thank you! Got it all sorted just in time for the good weather. :driving:
Image

javis20
Member
Member
Posts: 640
Joined: Sun Aug 05, 2018 12:14 pm
Location: Hershey, PA USA

Water ingress e89

Post by javis20 » Wed May 12, 2021 1:18 am

Anybody know exactly what sealant BMW uses for the trunk weather-stripping? I'd rather not use silicone sealant, since it can be hard to remove in the future.

warmasice
Member
Member
Posts: 875
Joined: Sun Apr 26, 2015 7:16 pm

Water ingress e89

Post by warmasice » Wed May 12, 2021 9:41 pm

javis20 wrote: ↑Wed May 12, 2021 1:18 am Anybody know exactly what sealant BMW uses for the trunk weather-stripping? I'd rather not use silicone sealant, since it can be hard to remove in the future.
BMW's sealant turns into what looks like baby talc powder, so you'd want something better! People here have used black silicone (you can always apply sealant remover if you want to take it off) or butyl based gutter sealant.
Image

javis20
Member
Member
Posts: 640
Joined: Sun Aug 05, 2018 12:14 pm
Location: Hershey, PA USA

Water ingress e89

Post by javis20 » Thu May 13, 2021 1:02 am

Thanks, my leaks are coming from the long lower trunk seal. It's busted open in several places. Price for a new one is $220. I ordered one from a salvage yard for $37. Hopefully it's in great condition.

flybobbie
Lifer
Lifer
Posts: 4016
Joined: Sat May 25, 2013 8:27 pm
Location: Stourbridge

Water ingress e89

Post by flybobbie » Thu May 13, 2021 8:04 am

Part of the problem is the badly designed way water is allowed to channel over the rear of the lamps. Would be better if the gap around the rear lamps was sealed and water allowed to just run over the lamp rather than drain behind it.
Anyone that has removed a lamp sees the build up of dirt and muck.

On my old RX7 they had pipes to drain water from around rear glass panel to the bottom of the car body.
They did the same for the sun roof, but that drained into body work resulting in the floor rotting away.
For the sake of an extra foot of plastic tube could have been drained water out of the body.

javis20
Member
Member
Posts: 640
Joined: Sun Aug 05, 2018 12:14 pm
Location: Hershey, PA USA

Water ingress e89

Post by javis20 » Fri May 21, 2021 12:00 pm

Received my used trunk seal from an ebay salvage yard. It looks almost new. The BMW sealant residue is still fresh and very sticky. Going to be miserable to remove to remove from the weatherstrip grooves. So, I just ordered some BMW 83 19 2 232 322 sealant. It will be easier to just add more of the same sealant.

DEBS-8363
Newbie
Newbie
Posts: 7
Joined: Mon Jun 07, 2021 8:59 pm

Water ingress e89

Post by DEBS-8363 » Sun Mar 13, 2022 6:05 pm

Hiya, can anyone help please? Our 2011 E89 Z4 was suffering water ingress which was gathering in the boot and under the roof pump and by the parking brake module. We have replaced the vents, the lights, the rubber seal and also put new sealant on. This has completely stopped the water ingress. HOWEVER, we check the car before we drive out in it and then go for a few miles and come back and there is water in the boot!!! Only splashes but also little puddles. We have done this a few times now and we dry it all out, come back a few days later and its all dry. Then we take the car out again, and when we come back there is again water in the boot. Its apparent that the water is or probably is residual and the motion of the car driving is causing it to move somehow to the back of the car. We are wondering if there is a drain blocked, enquiries of our local bmw specialist suggest that there may be a blocked drain and/or grommet but no one seems to know where they are on the vehicle so we can check. We have spoken to BMW themselves and they refuse to advise us of the location of any drain holes.
We don't know whether it is coming from the quarter windows but water is presenting in both sides of the boot after driving motion . Has anyone on here had this experience or have any advice to offer us? We are really stuck trying to sort this, thank you all very much!

clarker63
Senior Member
Senior Member
Posts: 1043
Joined: Wed Oct 07, 2015 12:54 pm
Location: Devon

Water ingress e89

Post by clarker63 » Sun Mar 13, 2022 6:17 pm

If you really have fixed the leaks i had a problem where the water is stuck in the chassis under the storage pod on the left and it pops out at regular intervals. I videoed it on on of the boot leak thread. Eventually it empties itself.
Removing all the trim was the only way i managed to be sure where it was coming from. It is a struggle when its hidden away under all the trim. Good luck!

DEBS-8363
Newbie
Newbie
Posts: 7
Joined: Mon Jun 07, 2021 8:59 pm

Water ingress e89

Post by DEBS-8363 » Sun Mar 13, 2022 6:40 pm

Hiya thanks so much. All the boot trim is out at the moment whilst we try to establish the source of the ingress. Do you mean the water empties out altogether eventually into the actual boot? It appears on both sides. Only after the car has been in motion. With all the trim out all we can see is the metal wheel arches and the metal of the boot and the vents which have also been renewed. Do you have any idea how we can sort this? Very grateful indeed for your advice and very quick response 😊

clarker63
Senior Member
Senior Member
Posts: 1043
Joined: Wed Oct 07, 2015 12:54 pm
Location: Devon

Water ingress e89

Post by clarker63 » Sun Mar 13, 2022 7:14 pm

I'll find the post. For me the water came out of the chassis rail under the trim. There's one of the left and one on the right in the boot. It appears to fill up when water comes in and then pops out when cornering. I have a video on here but not so easy to find on a phone.... yes eventually it all comes out and is dry.

viewtopic.php?t=115469&start=15

Scroll down to one of my posts. The video shows the water spurting out.

DEBS-8363
Newbie
Newbie
Posts: 7
Joined: Mon Jun 07, 2021 8:59 pm

Water ingress e89

Post by DEBS-8363 » Sun Mar 13, 2022 7:35 pm

Thank you so much that is really helpful and seems as if this may be our issue. Do you think this water is residual from when we had the leak in the boot (which is now sorted) and it's made its way into the rails or has it come in another way? So grateful for your help!!

Post Reply