BMW 1-Series Forum (F20) 135i - 1Addicts.com > Second Generation 1 Series Forum > 2012 BMW 1-Series Sporthatch (F20) Discussion > 1er hatch/boot lifter/opener?
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      12-01-2012, 10:49 PM   #1
AusF20
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1er hatch/boot lifter/opener?

Hi all
I saw a video on Youtube showing a 1er hatch opening with Die springs fitted to the gas struts.

Has anyone done this on a F20/F21?

I would like to fit them to my F20 to allow the boot to open that way.

I am looking for a 'How to' instructions to fit the V20x25 Die springs to my F20's gas struts

If anyone has an instuction sheet or anyone who has done it on theirs could provide me with some advise, I would appreciate it
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      12-02-2012, 05:31 AM   #2
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Im also very interested in this

here is the video u mentioned:

[u2b]
[/u2b]
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      12-02-2012, 06:51 AM   #3
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This is the one I first saw it on
It appears to be a simply yet effective system
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      12-02-2012, 01:33 PM   #4
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I haven't received my F20 yet, so can anyone please tell me what this mod adds to the standard frunk?
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      12-02-2012, 01:55 PM   #5
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hmmm, this system dont look to complex. Ill try to DIY of it once ill get my ride
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      12-02-2012, 02:01 PM   #6
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Would like this too, only wondering how much harder it'll be to *close* the boot after the mod.
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      12-02-2012, 02:39 PM   #7
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Quote:
Originally Posted by rickk View Post
Would like this too, only wondering how much harder it'll be to *close* the boot after the mod.
It does make me wonder why you have a button on the fob to open the boot when you still have to pull the handle to open it anyway. The boot on the F30 opens fully so why couldn't they just have this as standard on the 1?
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      12-02-2012, 02:44 PM   #8
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Looks simple enough, just pop off the struts and add the springs.
I'm also not sure about how much harder it would be to close the boot... So I've contacted Bearing Boys to see if they had any non-green ones and will let you know how i get on. For the sake of 5, i'm going to give it a go over xmas I can get them delivered to the parents in the UK and fit them while the family xmas rubbish is happening

http://www.bearingboys.co.uk/V20x25_...Spring-31026-p
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      12-02-2012, 02:51 PM   #9
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Originally Posted by dreamweaver View Post
It does make me wonder why you have a button on the fob to open the boot when you still have to pull the handle to open it anyway.
I have actually found this useful on a couple of occasions. Imagine you have something big and heavy in the boot (insert joke about wife/mom). You get out of the car, you lock it, then you unlock the boot and put the key in your pocket. You can then pick up the stuff from the boot and just close it without having to fiddle after the key to lock it.
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      12-02-2012, 03:23 PM   #10
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Originally Posted by dreamweaver View Post
The boot on the F30 opens fully so why couldn't they just have this as standard on the 1?
My idea was that it would be due to BMW's lawyers being afraid of the lid hitting something, but since I saw the hype around the automatically opening F31 tailgate I'm not so sure anymore.

Maybe they don't want to upset F31 buyers. Or perhaps the F31 has some ridiculously German system to prevent the lid from hitting anything
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      12-03-2012, 01:10 AM   #11
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[quote=blabley;13087528]Looks simple enough, just pop off the struts and add the springs.
I'm also not sure about how much harder it would be to close the boot... So I've contacted Bearing Boys to see if they had any non-green ones and will let you know how i get on. For the sake of 5, i'm going to give it a go over xmas I can get them delivered to the parents in the UK and fit them while the family xmas rubbish is happening


Hi Blabley
Thanks for your help, keep us posted
I look forward to hearing back on how you go with it



There is no seperate top section on the F20 strutt so my interest is how the springs are kept in place at the top of the strutt.
It looks like the washer was welded where it meets the shaft and has an inserted grommet at the bottom of the spring to allow compression. Could it be a different strutt they have used?
Any advice would be appreciated.
Attached Images
 

Last edited by AusF20; 12-03-2012 at 01:16 AM.
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      12-04-2012, 06:36 AM   #12
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So sadly they only do them in green but ordered them anyway, going to have a look at fitting them week after next when i'm off work... Will keep you posted
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      12-04-2012, 06:39 AM   #13
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Typical, after placing the order just seen http://www.babybmw.net/viewtopic.php?f=20&t=18057, by the looks of it i paid the same money for the springs.

So just need to get the gaskets
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      12-04-2012, 12:02 PM   #14
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Hi,
I ordered these springs also today. I did use another website however, but these die springs are standard ISO measures so it should be exact the same.
The colour is only for coding the strength of the spring so if it really bugs you, I suppose you can give them a quick spray of paint before you install them. For me it doesn't really matter, they're only small and the boot isn't open all the time so I'll just leave them in green.
Hope installation goed well and will try to post some pics of it, presumably next week!
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      12-08-2012, 07:10 AM   #15
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I have found a local supplier of die springs,
They have given me info a green spring with the specs below
I would like to check the compression and tension on them to make sure they are similar to the ones being suggested.
DIA20mm
length 25mm
bore 11.4mm
(N) 59.8
compression 10.8mm

Are these similar specs to the ones that are being suggested?
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      12-13-2012, 02:16 AM   #16
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Hi. I'll be getting my car next week and was wondering if anyone had any success with the springs yet? Must say 25m long spring seems really short. In the vide they look longer than 25mm?

Last edited by Bengaz; 12-14-2012 at 12:05 PM.
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      12-13-2012, 02:54 AM   #17
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It is propably to do with the perspective view as it is a close up
The shaft is only 8mm diameter so the spring looks longer
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      12-13-2012, 05:11 AM   #18
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Quote:
Originally Posted by dreamweaver View Post
It does make me wonder why you have a button on the fob to open the boot when you still have to pull the handle to open it anyway. The boot on the F30 opens fully so why couldn't they just have this as standard on the 1?
I find the boot button to be useless also. In the UK, if you use this to open your boot when the car is locked, and then close your boot: it does indeed lock the boot. What also happens tho is it unlocks the rest of your car and leaves this unlocked. I queried this with my dealership and was told that this has been programmed into UK market cars to prevent people locking their keys in the car (apparently we british citizens are the worst for this). I would rather it just left the boot unlocked afterwards, least you are forced to use the car lock button afterwards! I used to use it until i realised the rest of my car was being left unlocked after use; My delareship said to forget the button exists and just unlock/lock as normal

Anyone else from the UK have this behaviour, or is my dealership fobbing (excuse the pun) me off?

Thanks.
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      12-15-2012, 01:35 PM   #19
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Hi guys,
I just received my springs yesterday and installed them today. At first it didn't work as expected because apparently the 25mm long springs that I got are still a bit short. So if you can, buy 30mm long springs!
I resolved the problem by adding 4 washers on both sides to give the springs mire tension.
Now, it works great!
Installation is pretty straight forward. I found that getting the plastic ball-socket-attachment off, was most difficult. The iron caps come off easily with a screwdriver(mind your eyes as I nearly poked my own out!!!). Then you turn the plastic thinngies off using 2 sets of pliers. Quite a lot of force is needed the first time. If you use mole grips it goes best to hold the iron strut part in place (use with a rag between) while using other pliers to twist the plastic thing off.
Then just install -rubber washer-spring-4iron washers-rubber washer.
I'll try adding some pictures if anyone is interested. If someone needs more explained, please do tell!
Good luck
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      12-15-2012, 02:04 PM   #20
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Quote:
Originally Posted by BenN View Post
I find the boot button to be useless also. In the UK, if you use this to open your boot when the car is locked, and then close your boot: it does indeed lock the boot. What also happens tho is it unlocks the rest of your car and leaves this unlocked. I queried this with my dealership and was told that this has been programmed into UK market cars to prevent people locking their keys in the car (apparently we british citizens are the worst for this). I would rather it just left the boot unlocked afterwards, least you are forced to use the car lock button afterwards! I used to use it until i realised the rest of my car was being left unlocked after use; My delareship said to forget the button exists and just unlock/lock as normal

Anyone else from the UK have this behaviour, or is my dealership fobbing (excuse the pun) me off?

Thanks.
Mine seems to be the same. Odd that I've had VW group cars for the last 12 years and the boot release just unlocked the boot and locked it on closure, the other doors were not affected. Perhaps it's a case of treating customers based on the lowest common denominator.
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      12-17-2012, 02:16 AM   #21
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I'll try adding some pictures if anyone is interested.
Yes please, add some pics
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      12-18-2012, 12:39 AM   #22
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Yes please, add some pics
+1 and a video please!
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