Faulty Roof

H

huseyin88

Member
 Windsor
Hi guys,

I've had roof issues since January 2018 and i'm on the verge of thinking to sell my car but dont want to as i love my e89 so much :cry:

So i've done all the reading i could on this issue for the past year or so and may have missed something so hoping someone may be able to chime in..

My roof has a very odd and unique issue which ive only found on one other members (flybobbie) symptoms.

So my roof issues compromise of a few things:
- I get hard top not latched sometimes when driving along on the odd occasion without even activating the roof.
- I also get roof movement impaired when trying to activate the roof with the engine running.
- However the special thing about my car is that it works PERFECTLY without any errors when the engine isnt running.
- I have also noticed at times when i put my windows up all the way and hold it maybe a second or two extra the hard top not latched error sometimes appears then as well but this is intermittent.

I do have smart top installed and have removed it and kept it in and it doesnt make any difference what so ever, so i ave kept it in order to allow me to raise and lower the roof via remote.

So far i have:
- changed the switch on top of the driver side window screen 54377192950.
- changed both micro switch buckle coupling left and right 54377227397/8
- changed both hall sensors in the driver side ram 54377224679
- Changed both relays in boot 631742690
- I have connected with ista and tested the roof in different positions and seems to report that all the sensors and switches are fine for roof going both up and down :headbang:

needless to say this is getting a bit expensive and not delivering any results so slightly frustrating!

The roof issue always occurs when its the boot lid coming back down to close on both opening and closing it seems to stutter with a few cm's left and just doesnt close.

any help would be highly appreciated as im getting really desperate now and dont want to sell my Z :(
 
Hi
I’m not too familiar with the workings of the roof but could there a faulty sensor that lets the car know when the boot latches back into position or could there be a faulty solenoid / valve in the pump not letting the boot latch
Just throwing ideas out there.
 
Chippie said:
Hi
I’m not too familiar with the workings of the roof but could there a faulty sensor that lets the car know when the boot latches back into position or could there be a faulty solenoid / valve in the pump not letting the boot latch
Just throwing ideas out there.
Click to expand...

From what i've read two of the parts i changed are involved in registering the boot lid coming back and being locked in, and all the sensors on that part of the system have been swapped and changed.

The only other two things i can think of is a Roof Module swap or a roof motor replacement, but neither make sense to me seeing as it all works perfectly fine with the engine off :tumbleweed:
 
markplant said:
Could it be a partial break in the wiring,
Click to expand...

Any ideas where or how I could go about testing that.
I know I'd use a multimeter but where would the loom start and end?

I've looked over most the loom and it all looks fine and again begs the question as to why it's fine when the engine isn't running.. I'm just so confused..

Is there anything specific which is triggered or activated once the engine is running during roof operation??
 
Its a long shot, but mine does weird things (although not with the roof, and I'd expect different alarms) when the car battery charge is lower than normal. Have you checked that?

I've seen a post about a break in the cable, but as you say the fact it only happens when the engine is runnning thats confusing things. Here it is... but you might have seen it already.

https://e89.zpost.com/forums/showthread.php?t=1529701
 
clarker63 said:
Its a long shot, but mine does weird things (although not with the roof, and I'd expect different alarms) when the car battery charge is lower than normal. Have you checked that?

I've seen a post about a break in the cable, but as you say the fact it only happens when the engine is runnning thats confusing things. Here it is... but you might have seen it already.

https://e89.zpost.com/forums/showthread.php?t=1529701
Click to expand...
Good work in find the post
 
Thanks guys'
Changed and recorded battery 3 weeks ago so cant be that either.

Regarding break in cable still is odd that it works when car engine is off without faults.. :poke:

I'll try going through the loom now and see if I can spot anything..

Any other ideas are also welcome.. I just really want this fixed and dont fancy taking it to the steallers
 
Means spending money , but the Foxwell reader i bought shows in real time the micro switches operating. Connect that then when fault occurs see if a sensor is showing a fault.
 
flybobbie said:
Means spending money , but the Foxtel reader i bought shows in real time the micro switches operating. Connect that then when fault occurs see if a sensor is showing a fault.
Click to expand...

if you dont mind me asking What exact model did you get and how much are they roughly.

I guess it would be something I could use in the future.. but just depends on cost..
 
I ordered Foxwell NT510 but was sent the NT520pro. Not sure what the difference is.
Perhaps they had sold out of the earlier version.
http://www.foxwelltool.co.uk/wholesale/nt510-multi-system-scanner-with-one-fre-car-brand-software-and-obd.html?gclid=EAIaIQobChMI9rjV_4XS4wIVF-DtCh3wgA-bEAQYAiABEgKJtPD_BwE
http://www.foxwelltool.co.uk/wholesale/nt520-multi-system-scanner-nt510-updated-version.html
Lots of reviews on youtube.
Order with the BMW specific software, but the base software works with any car.
I was able for instance to remove a hall switch and pass a spanner over the sensor and watch it switch on the reader.

I was going to video the roof cycle view on the screen and put on YT for future reference.
 
flybobbie said:
I ordered Foxwell NT510 but was sent the NT520pro. Not sure what the difference is.
Perhaps they had sold out of the earlier version.
http://www.foxwelltool.co.uk/wholesale/nt510-multi-system-scanner-with-one-fre-car-brand-software-and-obd.html?gclid=EAIaIQobChMI9rjV_4XS4wIVF-DtCh3wgA-bEAQYAiABEgKJtPD_BwE
http://www.foxwelltool.co.uk/wholesale/nt520-multi-system-scanner-nt510-updated-version.html
Lots of reviews on youtube.
Order with the BMW specific software, but the base software works with any car.
I was able for instance to remove a hall switch and pass a spanner over the sensor and watch it switch on the reader.

I was going to video the roof cycle view on the screen and put on YT for future reference.
Click to expand...


Thanks, just ordered the 520 pro.
If you get around to that reference video please let me know as it would be a good place to start with. As I wont even have a clue how to use the device from the get go.

Really appreciate that. Thank you so much.

Hopefully I can resolve this and my other issues once and for all. After that I'll deal with boot handle not working but roof first.
 
:D :D :D :D
VICTORYYYYYYYY AT LAST!!!!!!!!!

it was the one thing i didnt mind toooo much swapping and delayed till the end because i was worried about coding... yeop... the CTM (Convertible Top Module... i.e roof ecu)

swapped it out for one i found for a bargain from poland for like £70.. instant change in operation.. used the car on a 110 mile trip today no faults dropped the roof down whilst driving at around 20mph not even a glitch...
Thankfully this issue can now be put to bed...

on to my other issues.. LOLL!

but this was a big one so im glad its resolved!! :) 8)
 
ZedPhwoah said:
DIY at it's best! Happy for you. Hopefully we get some good weather :poke:
Click to expand...

LOOLL! tell me about it! lets hope i get a bit of sunshine for my efforts at the very least aha!

just glad its resolved really no more gongs saying "hard top not latched" every 2 mins. now on to the other faults and mods LOL!
 
scanner hasnt even arrived yet lol

i used ista on my laptop and found it mentioned a few of the connections had faults and odd voltage readings, but when i did the test on each of the sensors and switches when the roof is in different positions via the troubleshooting of the roof faults all of them came back fine.

notes said could be faulty ecu if wires all seem fine.

so i assumed switches and sensors are all fine and when i checked cabling and covers all looked ok with next to no rubbing or damaging to the outer sides or covers.. so went with a new ctm for cheap of ebay..

didnt fancy pulling the arms off to check the cabling as it seems to involved and swapping an ecu is far quicker.

having said that id still keep the scanner as it means i dont have to pull out my laptop every single time depending on how rich the features are and if its worth the £130 or how ever much i paid for it.
 
I assume your hydraulic levels are all OK? When my levels were low it seemed to work to a point and then stop. Topped up oil, works fine (until my leak drained the pump - waiting for new seals to get it working again...)
 
You must log in or register to reply here.
Back
Top Bottom