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01-31-2021, 12:13 PM | #1 |
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E88 roof won’t open
Hi
New to the forum and done a bit of searching and was hoping there would be a similar issue. Just got the wife a 2009 m sport. The roof does not open and was hoping to trouble shoot it myself. Story so far 1. Push roof open and red flashing light 2. Checked tray in boot and pulled down 3. Push roof open and all 4 windows drop then other button roof opening? Goes green. 4. Push green button windows go back up. Next steps and help needed Fuses, micro switches, motor in boot and fluid check, motor in hood near windscreen. Can anyone help I will do a write up if I sort it to help others unless there is one? I find it strange YouTube isn’t full of fixes they must not go wrong much? Update 1 The motor on the latch assembly working as proved it with Alan key in and it spun around. Went in boot and found the motor and it was very damp and a bit rusty so looks like that is the problem. Any good places for replacement other than eBay? Also why is the boot on drivers side wet is it common issue? Update 2 Ordered a new motor and fitted for £100 Roof now opens all the way, the last bit where convertible top box comes down sticks open. Looks like nobody has any advice as it’s been on a week and not one response. I’ll keep going and updating Update 3 I have now found the hall sensor has broken away from the frame behind the drivers side under the roof cover. Does anyone know where to buy one? Has anybody else had this or know of which hall sensor does what. Does this sensor stop the roof cover from closing?. It closes back down when the roof goes back up but won’t do the final part when the roof goes down. One reply would be nice as I feel like I’m talking to nobody! Thanks Last edited by j7jrt; 02-09-2021 at 11:22 AM.. Reason: Update |
02-13-2021, 07:57 AM | #2 |
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Fixed
I honestly can’t believe after 126 views not one reply. The roof on these must be very reliable for no experiences of problems.
I will post my journey in the hope it helps someone in the future. 1. Fault was roof would not open red flashing light windows did not move. 2. Changed 20 amp fuse no 25 top right in fuse box 3.windows now dropped no roof 4. Stripped out boot trim all across and located roof motor, motor was sat in wet sponge. 5. Dried it out and ordered and fitted new pump motor off eBay £99. 6. Fitted pump roof now opens all the way to the boot compartment closing. 7. Inspected and found no 3 hall switch had become detached. 8. The roof frame was so close to sensor it snapped it off frame. 9. Moved frame with large screw driver away from frame operating roof inch by inch. 10. Fitted new sensor from bmw, £15 and connected up. 11. Roof now opens and closes fully. 12. I also ordered 2 salmon relays whist the pump was out. 13. Refitted all trim and job done. Hope this helps someone in future unless of course nobody ever has a roof fault Last edited by j7jrt; 02-13-2021 at 10:34 AM.. |
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03-20-2021, 08:52 AM | #5 |
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Appreciate the info. I've got nothing to add, as my top has been flawless since 2011, but these posts are great references for us whenb we inevitably need them. Thanks for taking the time to document.
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03-29-2021, 07:31 PM | #7 |
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Does anyone have a sense of how much a potential convertible roof replacement would cost if the worst were to happen? Not sure if it would differ for:
Has to be in the $1k+ range for #1 and $3-5k+ range for #2 right? |
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03-29-2021, 07:34 PM | #8 |
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Don't know about #2 but I was quoted $2200 for BMW fabric and $1600 for replacement fabric (is definitely lighter, but has held up well for 18 mos). My top is down most of the time and I rarely take car out if it is going to rain, so it works for me.
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03-30-2021, 09:02 AM | #9 |
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Thank you! My parent's E88 only had issue with glue failing on rear window but my dad sealed it back up. Been holding up fine for two years and no other issues. They open/close the top a lot, so it's nice to have these reported problems and fixes handy in our search history!
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03-30-2021, 10:33 PM | #10 |
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J7JRT,
Thanks for your posts, the statement of problem, and your solutions. I have owned my 2008 128i convertible for just a few weeks now. It's a base model with an N51 engine and about 67K. I am getting ready to do water pump/t-stat, OFHG (w oil & filter), valve cover gasket set, and a 3X ATF drain/fill with new gasket and filter. The top functions fine, but a thirteen year old car is going to need things, and the convertible top is a item for which I have a very small knowledge base. Glad you were so persistent - both in your posts and in following through on the troubleshooting and repairs ! |
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07-28-2021, 12:38 PM | #12 | |
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Same problem - Need help!
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Any help would be greatly appreciated, I am also in the UK |
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08-29-2023, 12:24 AM | #13 | |
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do you have any pictures? I am having a similar issue. crazy rain came through town and now top will un latch and thats it. cant get it to open. any info would be good! thank you! |
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02-01-2024, 12:15 AM | #14 |
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My 128i will unlatch and will not open as well. I can hear the motor running like it’s trying open it for a few seconds while holding the button but the roof won’t move after unlatching. If I hold the close button it will latch locked. It was all working fine when this started. Any help would be appreciated.
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02-17-2024, 03:25 PM | #15 | |
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as usual with this forum i had to figure it out myself.... took to bmw shop and they said it would be entire new pump and would cost 6300usd. Told them to fuck themselves and started digging. Bought this pig from ebay https://www.ebay.com/itm/23496930260...&segname=11050 and replaced my oem one because when i disconnectd the oem one and ran direct power to it i got no movement or anything so i knew it was fried. installed the ebay replacement and it started working. I also had a hall sensor error which eneded up being these 2 cables that had damged over the years of opening and closing so many times. (located at the folding part of the top passenger side see photos below) |
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02-17-2024, 07:08 PM | #16 | |
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Yeah me to, when I had to replace side slide door covers on the convertible top i had no luck finding the fix. I had to figure it myself. I found then on eBay too and replaced them myself. |
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02-18-2024, 05:39 PM | #17 | |
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https://www.redlineautoparts.com/bmw...xoCwaUQAvD_BwE |
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02-20-2024, 11:44 PM | #19 |
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02-21-2024, 07:28 AM | #20 |
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I've had my 20123 135 convertible since new.
I was worried about the top from day, knowing they are complicated and expensive and its a BMW so you know it will break eventually. So for all this time i put the top and and down as little as possible to save wear and tear on the top and the mechanicals. I put it down in early May and the top stays down until mid-Sept. It may go up and down a few times here and there but not much. It helps thyat its garaged and not my DD.
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02-21-2024, 06:57 PM | #21 |
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I’ve assumed my top has served me well because I use it all the time! In 15 plus years and 196k miles, I’m guessing conservatively it has gone through 4k up/ down cycles.
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02-21-2024, 09:22 PM | #22 |
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