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7 Series - E38 (1995 - 2001)

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  #1  
Old 02-19-2011, 09:34 AM
mclee mclee is offline
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Location: erie MI
 
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Mein Auto: 1995 740i BMW
Can't open boot (trunk)

Hi I have a 95 740I and can not get the trunk(boot)to open at all. The key will not turn with pushed in or out. The key will not turn in drivers door at all. The remote works for the doors ok. I tryed sitting on trunk no help . There is a ski opening in back seat that I can see in the trunk is there a handle inside? Please any help would really be great.

Thanks Mick

Last edited by mclee; 02-19-2011 at 02:14 PM.
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  #2  
Old 02-19-2011, 04:18 PM
M.Wong's Avatar
M.Wong M.Wong is offline
E38 E91 (R56 E30 E39)
Location: Seattle WA
 
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Quote:
Originally Posted by mclee View Post
The key will not turn in drivers door at all.
It almost sounds like you have a blank key with the remote function programmed, but it will never work an actual physical lock. Does the key start the car?

Quote:
Originally Posted by mclee View Post
is there a handle inside?
There is not.

If the key starts the car, there is a remote trunk button by the parking brake pedal, does that work?
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E38 2000 740iL Orient Blue
E91 2012 328xiT Alpine White

Passed on to new families:
E30 1987 325i Royal Blue
E39 2003 540i/6 Sterling Gray
R56 2010 Mini Cooper S British Racing Green


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  #3  
Old 02-19-2011, 04:55 PM
mclee mclee is offline
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Location: erie MI
 
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Thank you for your input. I am sure it is the master key, I have two and they both don't work. The remote button does not work either. The car starts and the doors work as they should. The keys will not turn in the door or the trunk. I shot them with penitrating oil without any luck. Thank you M. Wong for your help, any other ideas?

Mick

Last edited by mclee; 02-19-2011 at 04:58 PM.
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  #4  
Old 02-19-2011, 05:02 PM
ProRail ProRail is offline
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Quote:
Originally Posted by M.Wong View Post
It almost sounds like you have a blank key with the remote function programmed, but it will never work an actual physical lock. Does the key start the car?


There is not.

If the key starts the car, there is a remote trunk button by the parking brake pedal, does that work?
If everything is working properly, there should be 4 ways to open the trunk: 1. Use the button on the remote; 2. Unlock all the doors and use the handle above the rear license plate, 3. Unlock all the doors and use the button under the brake release; 4. Use the trunk unlock and the use the release above the license plate. If none of those work, take it to a dealer or a BMW indie shop.
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  #5  
Old 02-19-2011, 05:25 PM
mclee mclee is offline
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I don't have a handle above license plate, a push button to the right. It worked fine with remote before, I needed a starter installed and it sat for 10 weeks at repair shop. I am sure the batt was dead and in the process with what ever they did the trunk stopped working and the keys will not turn the drivers door or the trunk button. Its really making me buggy or should I say buggier. I guess I could drive it untill it needs a battery than??

Thanks for your Help Mick
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  #6  
Old 02-19-2011, 07:37 PM
ProRail ProRail is offline
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Location: Columbia MD
 
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Quote:
Originally Posted by mclee View Post
I don't have a handle above license plate, a push button to the right. It worked fine with remote before, I needed a starter installed and it sat for 10 weeks at repair shop. I am sure the batt was dead and in the process with what ever they did the trunk stopped working and the keys will not turn the drivers door or the trunk button. Its really making me buggy or should I say buggier. I guess I could drive it untill it needs a battery than??

Thanks for your Help Mick
Sorry I couldn't help. I'm a veteran user, but not a techie.

Last edited by ProRail; 02-19-2011 at 07:37 PM. Reason: typo
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  #7  
Old 02-19-2011, 09:07 PM
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M.Wong M.Wong is offline
E38 E91 (R56 E30 E39)
Location: Seattle WA
 
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I am confused about which buttons on the key work. Try new batteries and then follow the re-initialization procedure on www.e38.org if they don't work to lock and unlock the car as well as pop the trunk. Make sure the vehicle battery is in good shape, too.

As far as the mechanics of the lock cylinders, I don't have a suggestion if the key works to start the car...
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E38 2000 740iL Orient Blue
E91 2012 328xiT Alpine White

Passed on to new families:
E30 1987 325i Royal Blue
E39 2003 540i/6 Sterling Gray
R56 2010 Mini Cooper S British Racing Green


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  #8  
Old 02-20-2011, 12:34 PM
mclee mclee is offline
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Quote:
Originally Posted by M.Wong View Post
I am confused about which buttons on the key work. Try new batteries and then follow the re-initialization procedure on www.e38.org if they don't work to lock and unlock the car as well as pop the trunk. Make sure the vehicle battery is in good shape, too. Fresh charge

As far as the mechanics of the lock cylinders, I don't have a suggestion if the key works to start the car...
Still no luck. all buttons work on key except trunk. I am leary to try re-initialization due to claustrophobia. The thing with two keys acting the same way makes me think,the remote keys are OK. I read to drill behind license plate with 3/16 drill and use a stiff wire to open trunk? Have you heard anything on this method? I took it for a ride today and really love driving this car it is very responsive and safe feeling.

Thanks for the help Mick
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  #9  
Old 02-20-2011, 02:43 PM
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M.Wong M.Wong is offline
E38 E91 (R56 E30 E39)
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I have never tried it nor seen it done, but the two guys on this post are top notch E38'ers... if they say it works, then I believe it works:

Drill to get into trunk.
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M.Wong
E38 2000 740iL Orient Blue
E91 2012 328xiT Alpine White

Passed on to new families:
E30 1987 325i Royal Blue
E39 2003 540i/6 Sterling Gray
R56 2010 Mini Cooper S British Racing Green


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  #10  
Old 02-20-2011, 10:59 PM
setconstr setconstr is online now
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maybe you can do this through your interior

http://www.bimmerboard.com/forums/posts/812695
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  #11  
Old 02-21-2011, 12:28 AM
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M.Wong M.Wong is offline
E38 E91 (R56 E30 E39)
Location: Seattle WA
 
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Isn't that the same link I just posted? Maybe he can drill from the outside, from the interior?
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M.Wong
E38 2000 740iL Orient Blue
E91 2012 328xiT Alpine White

Passed on to new families:
E30 1987 325i Royal Blue
E39 2003 540i/6 Sterling Gray
R56 2010 Mini Cooper S British Racing Green


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  #12  
Old 02-21-2011, 05:55 AM
mclee mclee is offline
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Location: erie MI
 
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I will try this when the fresh layer of ice and snow from last night dissipate. In reading this process it is with the trunk working as it should. I think mine is not right. I don't think the actuator is OK. When driving car yesterday the dash was not working so I shut her down and rotated key 180 degrees and all work well. I have tryed this on the locks with no luck. I wonder if the security system is going south on me? I am new to this car so please excuse my stupidity. I would like to get it to work as it should.

Thanks Mick
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  #13  
Old 02-21-2011, 06:13 AM
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joyism5 joyism5 is offline
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Before you drill the hole I think is worth to try to check the relay which is responsible with the trunk lid motor actuator. K128 in the picture attached. It is located behind the glove box.
If the car had been sitting for a while (10 weeks in your case) the pins may be dirty . Try to clean it or swap it with a similar one from the panel. or you can jump it.

Do you hear an electric sound from the trunk when you push the button in the car or from the key? I'm trying to figure out if the actuator is working or you have a mechanical problem .

Last edited by joyism5; 02-21-2011 at 07:31 PM.
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  #14  
Old 02-21-2011, 06:53 AM
mclee mclee is offline
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Location: erie MI
 
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Thank you for your response. I do not hear any noise from trunk when remote is activated. I like your idea for relay. Is it in the interior (behind glove box) or under the hood? I hear nothing from button by E brake.

Mick
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  #15  
Old 02-21-2011, 07:36 AM
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joyism5 joyism5 is offline
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Is behind the glove box. If you have a volt meter you can check if the power comes to the relay. Usually you can jump the relay with a fused wire. While you take the relay off look for numbers at the relay pins. something like 87 or 30. You should have 4 of them. If u use a fused wire you can jump straight from the battery. I will check later what pin goes straight to the actuator.

battery is in the trunk...I forgot..then from the engine terminals

Last edited by joyism5; 02-21-2011 at 07:38 AM.
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  #16  
Old 02-21-2011, 08:11 AM
mclee mclee is offline
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Location: erie MI
 
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Mein Auto: 1995 740i BMW
I feel we are on the right track with the relay. With the weather predictions it doesn't appear I will be messing with it for a few days but I really like the idea. I got to think the trunk was froze when they tried to open it and maybe fried something in the process. Is there a fuse for the trunk actuator? If so it must be in trunk? It takes a certain kind of person to track down this kind of problem and I truly am thankful for the help.

Mick
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  #17  
Old 02-21-2011, 08:59 AM
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joyism5 joyism5 is offline
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If you have numbers on pin relays like 85 and 87 ,85 is usually ground and 87 is positive and should go straight at the device excited . Use a fused wire to avoid any unwanted damage.

There is no fuse in the diagram . Check attached picture and save them.

I will delete them due to copyright. Don't want any headache...

If you can access the trunk from inside through ski bag probably you can pull the emergency stuff from the picture.

Last edited by joyism5; 02-21-2011 at 07:30 PM.
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  #18  
Old 02-21-2011, 09:28 AM
mclee mclee is offline
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Location: erie MI
 
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I don't think I am clear on this. My trunk when working just pops open a little and than manually open it. To close just slight pressure and it sucks down. Is this what I am looking at? Does the relay still come into play?

Mick
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  #19  
Old 02-21-2011, 11:07 AM
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joyism5 joyism5 is offline
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yes , still plan the trick with the relay. You might be able to activate your trunk actuator. Apparently there is a device for emergency open for trunk in case your actuator does not work. But now I don't understand that what is described in the pictures above is a separate technique when you take the car at the dealership, or you already have those stuff in your trunk. My bad... Probably that does not apply for you. It was just a thought...

Try the steps with the relay and let me know your finds.

Last edited by joyism5; 02-21-2011 at 11:09 AM.
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  #20  
Old 02-21-2011, 11:32 AM
mclee mclee is offline
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Location: erie MI
 
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Thanks for your reply. I will defiantly give the relay a shot, looks like a few days before weather permits but thats Michigan. Its kinda nice it seems how the E38 people have a common bond. They sure are nice when they running right. I hope to solve this problem with the help of this site and people like yourselfr and M. Wong.

Mick

Last edited by mclee; 02-21-2011 at 04:23 PM.
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  #21  
Old 02-21-2011, 06:13 PM
sbender121 sbender121 is offline
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Location: Denver, CO
 
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It sounds like they may have changed the ignition key if it will not turn in the drivers door lock and the trunk. Take it to the dealer or a locksmith to see if both of the locks match the key.
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