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M4 Convertible Water Sloshing?

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Starlord69 View Drop Down
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    Posted: 06 Oct 2021 at 1:23pm
Hi,

has anyone had a problem with water ingress/water sloshing around in car? I noticed it this morning and had water in my boot area (first aid kit was damp and water in rear drivers side behind rear light area). I've booked it in at the local dealer to me Blue Bell Crewe for investigation. I am concerned as there is a lot of electrics in the boot area. I bought my car as an approved used car so hopefully still covered under warranty.

Any advice appreciated.

Thanks
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RobM444 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RobM444 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jun 2022 at 12:50pm
Had a similar issue with mine, under the gar the water drain gets blocked, I opened up the drain and a swimming pools worth gushed out and drenched meWacko.

Be aware of that, I had it start to slosh again so pushed a hole into the drain plug its been fine since.
Treat every day as if its your last as one day you will be right
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Tony View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tony Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jun 2022 at 4:45pm
Where's the roof motor on these?

If it's anything like the fiasco that the e85 Z4 owners go through, then the motor is in a plastic well where the drains are...which fills up with water once debris blocks the drains.

A 'simple' relocation of the motor to the boot solves the motor issue permanently, but the blocked drain issue recurs so has to be added as a regular service item.


Edited by Tony - 08 Jun 2022 at 4:46pm
2006 Z4MC
164k mile, Individual Ruby Black, Extended Champagne & Piano Black trim
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Norrie View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Norrie Quote  Post ReplyReply Direct Link To This Post Posted: 09 Jun 2022 at 10:41am
The approved used warranty should 100% cover it, however if you do not feel they have 100% rectified the issues and are not taking extended warranty after the original 12 months cover I suggest the following. Write to the dealer stating that the issue is not resolved and therefore they have a fiduciary responsibility to resolve the issue even if your warranty period has expired. I did this with a different issues relating to passive module failure. I hope it is easily resolved but belt and braces is often the essential approach.
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