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Z4 roof problems

Discuss problems you have had or are having with your Z4
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Brian77
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Z4 roof problems

Post by Brian77 » Fri Nov 17, 2017 5:45 pm

I have just purchased a 55 plate z4 with a non working roof,the red light is just flashing all the time even without the button pressed.
The other owner said it might be roof motor?today i have checked the motor and it looks like it's new ..the front latches when i press the buttons don't seem to release?and the windows don't go down?
Do i need the foot on the brake when i operate the roof ?Well try to?also does car need to be running ?
Any help would be appreciated..
I have checked the microswitch in the boot and it is working okay..


I tried also to release the front latches and the allen key kept tur img and got tight then loose again ? So doesn't seem to release ..
Thanks again for any help..Brian :headbang:

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Ducklakeview
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Z4 roof problems

Post by Ducklakeview » Fri Nov 17, 2017 5:51 pm

Where are you? I can fix that for a fraction of what a dealer or independent would charge you. Drop me an email to [email protected]

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Brian77
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Z4 roof problems

Post by Brian77 » Fri Nov 17, 2017 7:43 pm

I'm in essex so quite away from you ,any help would be appreciated..

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metal licker
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Z4 roof problems

Post by metal licker » Fri Nov 17, 2017 7:53 pm

Think bowser134 is in Surrey and does roof work,try a PM
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G600
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Z4 roof problems

Post by G600 » Fri Nov 17, 2017 11:46 pm

Normally if it's the hydraulic roof motor it will still unlatch won't it? Mine wouldn't unlatch and it turned out to be a wire running to the latch motor had broken, I opened the roof manually part way, took the headliner off at the front and spliced in a new section of cable (it runs along the passenger side in-between the roof and the headlining)
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MACK
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Z4 roof problems

Post by MACK » Sat Nov 18, 2017 2:33 am

G600 wrote: Fri Nov 17, 2017 11:46 pm Normally if it's the hydraulic roof motor it will still unlatch won't it? Mine wouldn't unlatch and it turned out to be a wire running to the latch motor had broken, I opened the roof manually part way, took the headliner off at the front and spliced in a new section of cable (it runs along the passenger side in-between the roof and the headlining)
+1
I had exactly the same issue although mine was intermittent. Same remedy, spliced in some new wires to the loom. It's a very cheap fix if you can do it yourself although a little fiddly.
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Z4 roof problems

Post by Ducklakeview » Sat Nov 18, 2017 11:27 am

Brian77 wrote: Fri Nov 17, 2017 5:45 pm I have just purchased a 55 plate z4 with a non working roof,the red light is just flashing all the time even without the button pressed.
The other owner said it might be roof motor?today i have checked the motor and it looks like it's new ..the front latches when i press the buttons don't seem to release?and the windows don't go down?
Do i need the foot on the brake when i operate the roof ?Well try to?also does car need to be running ?
Any help would be appreciated..
I have checked the microswitch in the boot and it is working okay..


I tried also to release the front latches and the allen key kept tur img and got tight then loose again ? So doesn't seem to release ..
Thanks again for any help..Brian :headbang:
How can you see the motor, has it already been relocated to the boot? You don't need to press the brake to operate the roof.

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Brian77
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Z4 roof problems

Post by Brian77 » Sat Nov 18, 2017 4:39 pm

Yes the motor is in the boot area..

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Russ59
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Z4 roof problems

Post by Russ59 » Sun Nov 19, 2017 6:28 pm

MACK wrote: Sat Nov 18, 2017 2:33 am
G600 wrote: Fri Nov 17, 2017 11:46 pm Normally if it's the hydraulic roof motor it will still unlatch won't it? Mine wouldn't unlatch and it turned out to be a wire running to the latch motor had broken, I opened the roof manually part way, took the headliner off at the front and spliced in a new section of cable (it runs along the passenger side in-between the roof and the headlining)
+1
I had exactly the same issue although mine was intermittent. Same remedy, spliced in some new wires to the loom. It's a very cheap fix if you can do it yourself although a little fiddly.
That was my problem also, couple new bits of wire spliced in and jobs a goodun.
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Z4 roof problems

Post by wegras » Sun Nov 19, 2017 9:28 pm

metal licker wrote: Fri Nov 17, 2017 7:53 pm Think bowser134 is in Surrey and does roof work,try a PM
Near Camberley ,not far south of M25
and he is expert
if you cannot pm come back and I will alert him to your post
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Z4 roof problems

Post by firebobby » Sun Nov 19, 2017 10:42 pm

wegras wrote: Sun Nov 19, 2017 9:28 pm
metal licker wrote: Fri Nov 17, 2017 7:53 pm Think bowser134 is in Surrey and does roof work,try a PM
Near Camberley ,not far south of M25
and he is expert
if you cannot pm come back and I will alert him to your post
Already done, not sure if the OP has acted on the information though as he doesn't seem to reply to posts :roll:
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Brian77
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Z4 roof problems

Post by Brian77 » Mon Nov 20, 2017 2:32 pm

I have messaged bowser

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Z4 roof problems

Post by Brian77 » Thu Nov 23, 2017 2:52 pm

Update ,i have managed to release front latches and found that both latch drive cables from the motor to latches are broken..i have ordered new ones.
Anyone changed these ? Just wondering if you need latches in certain position in relation to the motor before fitting new ones?to keep latches in sync..

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