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Boot Water Ingress - The journey of roof motors, hydro pump and seals

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Webless
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E89 Roof Diag Error A6A3 temperature sensor - where is it?

Post by Webless » Wed May 12, 2021 10:45 am

The only real issue was the middle screw fixing, it forced the gasket to have a gap so two choices, either file down of cut off. I dont own a file so off it comes...See here the gap...
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Rear light 5.JPG
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Z4 E89 35i M Sport - 2010
Crimson Red with Cream Leather
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Webless
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E89 Roof Diag Error A6A3 temperature sensor - where is it?

Post by Webless » Wed May 12, 2021 10:46 am

Post surgery...
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Rear light 6.JPG
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Z4 E89 35i M Sport - 2010
Crimson Red with Cream Leather
Fully loaded

Webless
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E89 Roof Diag Error A6A3 temperature sensor - where is it?

Post by Webless » Wed May 12, 2021 10:47 am

That's better...
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Rear light 7.JPG
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Z4 E89 35i M Sport - 2010
Crimson Red with Cream Leather
Fully loaded

Webless
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E89 Roof Diag Error A6A3 temperature sensor - where is it?

Post by Webless » Wed May 12, 2021 10:47 am

Cleaned everything up, this is the before shot ...

Notice one of the fixing holes is taped up, on the 2010 light unit there is no fixing here to this needs to be sealed..
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Rear light4.JPG
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Z4 E89 35i M Sport - 2010
Crimson Red with Cream Leather
Fully loaded

Webless
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E89 Roof Diag Error A6A3 temperature sensor - where is it?

Post by Webless » Wed May 12, 2021 10:51 am

When removing and replacing the rear light just take note there are two ball joint type fixings so when removing pull these away carefully, dont pull off at an angle as you will break them off...
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Rear light 8.JPG
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Z4 E89 35i M Sport - 2010
Crimson Red with Cream Leather
Fully loaded

Webless
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E89 Roof Diag Error A6A3 temperature sensor - where is it?

Post by Webless » Wed May 12, 2021 10:53 am

Gently pull the gasket covers through, spend the extra time to make sure everywhere is sealed ok... then bolt the light unit back and and done :D
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Rearlight 9.JPG
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Z4 E89 35i M Sport - 2010
Crimson Red with Cream Leather
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enuff_zed
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E89 Roof Diag Error A6A3 temperature sensor - where is it?

Post by enuff_zed » Wed May 12, 2021 10:56 am

Webless wrote: Wed May 12, 2021 10:53 am Gently pull the gasket covers through, spend the extra time to make sure everywhere is sealed ok... then bolt the light unit back and and done :D
This is all really good, helpful advice with plenty of pictures to explain it all.
Thank you for taking the time to do this.

One little request.................. would it be possible for you to edit the thread title a little so in future others can more easily find help on the rear light seals?
HQ of 'Norfolk Zed Rescue'.
Always happy to help if I can.

If the forum helped you, why not help the forum back. Thats the Z4 way! :thumbsup:
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Webless
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E89 Roof Diag Error A6A3 temperature sensor - where is it?

Post by Webless » Wed May 12, 2021 10:58 am

Then onto the rear vents, underneath the rear arch covers there is (in my case) one 8mm bolt which needs to be removed. You can see here where the bolt hole is...
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Bumper 1.jpeg
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Z4 E89 35i M Sport - 2010
Crimson Red with Cream Leather
Fully loaded

Webless
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E89 Roof Diag Error A6A3 temperature sensor - where is it?

Post by Webless » Wed May 12, 2021 11:01 am

If you look underneath you will also see a 10mm bolt next to this, which doesnt need to be removed...
Attachments
Bumper 1.5.JPG
Bumper 1.5.JPG (79.62 KiB) Viewed 848 times
Z4 E89 35i M Sport - 2010
Crimson Red with Cream Leather
Fully loaded

Webless
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Posts: 111
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E89 Roof Diag Error A6A3 temperature sensor - where is it?

Post by Webless » Wed May 12, 2021 11:02 am

Here you can see the issue I had on both sides, it was caught under some plastic housing....
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Bumper 2.JPG
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Z4 E89 35i M Sport - 2010
Crimson Red with Cream Leather
Fully loaded

Webless
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Posts: 111
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E89 Roof Diag Error A6A3 temperature sensor - where is it?

Post by Webless » Wed May 12, 2021 11:04 am

With the bumper removed you can see the black housing here. This had to be removed to access the vents, held on with four bolts. Bumper is sitting on a cardboard box to help raise off the ground, so I didnt need to unplug the parking sensors and lights..
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Bumper3.JPG
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Z4 E89 35i M Sport - 2010
Crimson Red with Cream Leather
Fully loaded

Webless
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Posts: 111
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E89 Roof Diag Error A6A3 temperature sensor - where is it?

Post by Webless » Wed May 12, 2021 11:05 am

Finally...can get my hands on the old vents...
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Vent1.JPG
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Z4 E89 35i M Sport - 2010
Crimson Red with Cream Leather
Fully loaded

Webless
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Posts: 111
Joined: Wed Mar 24, 2021 7:06 pm

E89 Roof Diag Error A6A3 temperature sensor - where is it?

Post by Webless » Wed May 12, 2021 11:05 am

Removed the offside vent and look what I find - more water !!
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Vent2.JPG
Vent2.JPG (152.44 KiB) Viewed 848 times
Z4 E89 35i M Sport - 2010
Crimson Red with Cream Leather
Fully loaded

Webless
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Posts: 111
Joined: Wed Mar 24, 2021 7:06 pm

E89 Roof Diag Error A6A3 temperature sensor - where is it?

Post by Webless » Wed May 12, 2021 11:06 am

All dried up and cleaned, now I thought i was on the home straight - but not quite ....
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Vent3.JPG
Vent3.JPG (130.04 KiB) Viewed 848 times
Z4 E89 35i M Sport - 2010
Crimson Red with Cream Leather
Fully loaded

Webless
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Posts: 111
Joined: Wed Mar 24, 2021 7:06 pm

E89 Roof Diag Error A6A3 temperature sensor - where is it?

Post by Webless » Wed May 12, 2021 11:08 am

Look at the gap on the side of the new vent, the metal round the edge is quite thin and in my case bent. Now either I bent it removing the old vent (which is just unclipped by hand) or its been like this since day one ...
Attachments
Vent4.JPG
Vent4.JPG (190.3 KiB) Viewed 847 times
Z4 E89 35i M Sport - 2010
Crimson Red with Cream Leather
Fully loaded

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