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Reconditioned

Discuss problems you have had or are having with your Z4
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Jonny3777
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Reconditioned

Post by Jonny3777 » Wed Nov 27, 2019 5:27 pm

I'm wondering if you guys know anyone who reconditions roof motors? I tackled theit today water logged and rusted to hell you all know the drill.... I relocated it to the booth without taking the hood off, that was a job and half let me tell you 😭 fbut finally got it out fluid is almost gone, but I unjammed the motor and dowsed it in wd40 and gave it a clean with a wire brush, popped it back with the pump and held the microswitch on the parcel carrier and not a Meg out of it, so I took it apart again and watched it when the roof button was pressed it unlatched and closed up fine just the motor not turning, I'm in Ireland and I'm looking for a motor rewind company or someone who reconditions them, I really don't wanna spent 600 quid on a new one. Here's the before and after pics hard to tell I know 😂
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Bmw Z4 E85

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markplant
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Reconditioned

Post by markplant » Wed Nov 27, 2019 6:47 pm

What's your location an we'll point in the right direction
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Smartbear
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Reconditioned

Post by Smartbear » Wed Nov 27, 2019 7:23 pm

Hi, did you know a mustang EH motor fits?
viewtopic.php?f=2&t=113183&p=1632250&hi ... r#p1632250
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e89 Sdrive 20i, plenty of mumbo & good economy-the thinking bears z4
e89 Sdrive 30i, this ones busted, pass me another...
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1000rr
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Reconditioned

Post by 1000rr » Wed Nov 27, 2019 7:43 pm

markplant wrote: Wed Nov 27, 2019 6:47 pm What's your location an we'll point in the right direction
+1
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buzyg
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Reconditioned

Post by buzyg » Wed Nov 27, 2019 9:33 pm

Hi Johnny, not sure we have a forum member in Ireland who does roof motors. You may be able to post it. Give Alan, Number5, a PM he may be able to help. :)
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ph001
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Reconditioned

Post by ph001 » Wed Nov 27, 2019 9:42 pm

Dunk the motor in a light oil or diesel overnight, then with 12v applied (either with a car battery or just plugged in) give it a solid few raps with a wooden mallet. 9 times out of 10 they spring back to life just fine.
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Jonny3777
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Manual roof

Post by Jonny3777 » Thu Nov 28, 2019 4:56 pm

Hi guys, so got my roof motor out of its poorly designed compartment and no surprises that it was drenched lol so it's knackered and I was reading about manually taking the top down. Problem I have is that when I push the roof down it unlockels fine the locking motor works.... For now lol... But it gives a some resistance when pushing it down, bringing the roof up is brutal torture that's the only way to describe it. Massive resistance two man job. It was like this before I removed the motor also. I bleed the used the red manual ring pull and I can see it is pulling the release clip on the pump housing so not sure why it's so stiff?? I even bleed the hydraulic fluid to make sure there wasn't anything in the lines to pull against me...there's a little white screw clip on the release line just inside the trunk line noticed it when I was removing the motor, that you can adjust I tryed it fully tightened and loose no difference whatsoever....... I'm baffled I've other guys put there roof up manually in 10 seconds it took me 20mins!! Any suggestions are greatly appreciated as always guys thank you.
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Phoenixboy
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Manual roof

Post by Phoenixboy » Thu Nov 28, 2019 5:37 pm

plenty of guys on the forum can likely get your motor running for not much money depending on your location...
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Jonny3777
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Manual roof

Post by Jonny3777 » Thu Nov 28, 2019 5:43 pm

Phoenixboy wrote: Thu Nov 28, 2019 5:37 pm plenty of guys on the forum can likely get your motor running for not much money depending on your location...
Hi phoenix boy, I'm not too bothered weather the roof is automatic I don't mind putting it up manually I'm in Ireland so not to many days sun anyway ☀️😂 just wondering why the roof is so stiff?
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Smartbear
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Manual roof

Post by Smartbear » Thu Nov 28, 2019 6:23 pm

Jonny3777 wrote: Thu Nov 28, 2019 5:43 pm
Phoenixboy wrote: Thu Nov 28, 2019 5:37 pm plenty of guys on the forum can likely get your motor running for not much money depending on your location...
Hi phoenix boy, I'm not too bothered weather the roof is automatic I don't mind putting it up manually I'm in Ireland so not to many days sun anyway ☀️😂 just wondering why the roof is so stiff?
The reason it’s so stiff must be the release isn’t working, you’re fighting against hydraulic resistance in the system.
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e89 Sdrive 20i, plenty of mumbo & good economy-the thinking bears z4
e89 Sdrive 30i, this ones busted, pass me another...
e85 3.0si sold

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ph001
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Manual roof

Post by ph001 » Thu Nov 28, 2019 6:33 pm

Yep, as above - the bowden cable may be moving but it's either not pushing the brass plunger in on the motor enough or the brass plunger is seized. Since you have the motor in the boot, remove the top cover so you can clearly see if the plunger is being fully pressed - if it is then there is internal problem whereby the plunger is not opening the hydraulic bypass port on the pump properly.

To be honest, if you submerge your motor on a bucket of light oil or diesel over night then reinstall it, it will probably burst back into life if you tap it with a wooden mallet whilst operating the roof.
2007 E85 Z4 3.0Si manual :driving:
19" CSL's | Eibach Springs | Aeroskirts | Z4M front bumper | Clear brake light | ZHP | RCH+| Stubby

2004 E46 M3 coupe manual - gone but not forgotten.

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Number5
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Post by Number5 » Thu Nov 28, 2019 9:13 pm

Just remove the three screws holding the black Bowden Cable assembly onto the pump and give the brass plunger a tap with a hammer. That will release the pressure.
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Jonny3777
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Manual roof

Post by Jonny3777 » Thu Nov 28, 2019 11:16 pm

ph001 wrote: Thu Nov 28, 2019 6:33 pm Yep, as above - the bowden cable may be moving but it's either not pushing the brass plunger in on the motor enough or the brass plunger is seized. Since you have the motor in the boot, remove the top cover so you can clearly see if the plunger is being fully pressed - if it is then there is internal problem whereby the plunger is not opening the hydraulic bypass port on the pump properly.

To be honest, if you submerge your motor on a bucket of light oil or diesel over night then reinstall it, it will probably burst back into life if you tap it with a wooden mallet whilst operating the roof.
I drowned the motor in wd40 and gave it a good clean can turn the motor by hand freely but no power to it
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Jonny3777
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Manual roof

Post by Jonny3777 » Thu Nov 28, 2019 11:23 pm

Number5 wrote: Thu Nov 28, 2019 9:13 pm Just remove the three screws holding the black Bowden Cable assembly onto the pump and give the brass plunger a tap with a hammer. That will release the pressure.
Are they the screws holding the black plastic cover on in the pic here?
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Smartbear
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Manual roof

Post by Smartbear » Fri Nov 29, 2019 12:18 am

Jonny3777 wrote: Thu Nov 28, 2019 11:16 pm
ph001 wrote: Thu Nov 28, 2019 6:33 pm Yep, as above - the bowden cable may be moving but it's either not pushing the brass plunger in on the motor enough or the brass plunger is seized. Since you have the motor in the boot, remove the top cover so you can clearly see if the plunger is being fully pressed - if it is then there is internal problem whereby the plunger is not opening the hydraulic bypass port on the pump properly.

To be honest, if you submerge your motor on a bucket of light oil or diesel over night then reinstall it, it will probably burst back into life if you tap it with a wooden mallet whilst operating the roof.
I drowned the motor in wd40 and gave it a good clean can turn the motor by hand freely but no power to it
Have you proved there’s no power by checking with a meter? :?
Rob
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e89 Sdrive 20i, plenty of mumbo & good economy-the thinking bears z4
e89 Sdrive 30i, this ones busted, pass me another...
e85 3.0si sold

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