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  #1  
Old 06-29-2007, 01:27 AM
starcappy starcappy is offline
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Question 98 740iL - All power lost to trunk

Recently I had my car boosted because of dead battery. Last thing I did before I realized battery was dead, was unlocked the trunk. Now the inside button, key button, and power assist on trunk are not working. Message on console says "Trunklid Open". What should I be checking?

Scott
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  #2  
Old 06-29-2007, 10:24 AM
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M.Wong M.Wong is offline
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Have you checked the fuses and the battery? A weak battery can cause strange things to happen in these cars.
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  #3  
Old 06-29-2007, 04:03 PM
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Adi Adi is offline
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Get battery checked and probably replace. Lots of people have had lots of different weird issues when the battery is on the way out.
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  #4  
Old 07-06-2007, 03:23 PM
Jmassa89 Jmassa89 is offline
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I have that exact same problem.. everytime i turn on my car it beeps and says trunklid open.. I haveto manually open it and its horrible.. I got mine checked and they sed I need a whole new pice that makes the trunk click closed..
  #5  
Old 07-11-2007, 09:17 PM
ctweber98 ctweber98 is offline
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Make sure that the lock is not turned to the valet position. If you take your key and manually unlock your car like you had to when your battery was dead, you probably have it in valet parking mode and therefore the only way you can open it is with the key and not by any other means (buttons, keys, etc). Check your owners manual for more details about this as I had the same problem and took mine into the dealership and showed me how to do it in a second.


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  #6  
Old 11-08-2008, 01:29 PM
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m5james m5james is offline
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So was there ever an official solution for this? Of all my searches on Google and all the messagesboards, this is the closest I have come to similar symptoms.
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325hp 98 740iL, black/black - Eatin 540's & $hittin 318's
PERFORMANCE:///M5 6spd conv., Iron sleeves, L/W Teflon coated pistons, 3 angle valvejob, P&P head, cams, electric fan, CF intake tube w/aluminum heatshield, Magnaflow 14816'd
INTERIOR:
Hardwired V1 above rearview, 12" RE Audio DVC sub, MTX 81000D, silver trim, 5% tint
EXTERIOR:19" Beyern Mesh staggered, Shadowline kidneys, Axxis pads
01 X5 4.4 - F90BT, L5
  #7  
Old 11-09-2008, 10:10 AM
danosll danosll is offline
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I had similar problem wires were broken in harness between body and trunk lid bad design.
  #8  
Old 11-09-2008, 10:18 AM
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m5james m5james is offline
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I've had mine stop working for like a day once, it was embarrasing having to try and reach up inside the car every morning when going to work to get what I needed and have to rebungee it down. After a few good slams and some yanking up and down, suddenly it came back to life.
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New here? Please visit www.e38.org, THEN you ask questions

325hp 98 740iL, black/black - Eatin 540's & $hittin 318's
PERFORMANCE:///M5 6spd conv., Iron sleeves, L/W Teflon coated pistons, 3 angle valvejob, P&P head, cams, electric fan, CF intake tube w/aluminum heatshield, Magnaflow 14816'd
INTERIOR:
Hardwired V1 above rearview, 12" RE Audio DVC sub, MTX 81000D, silver trim, 5% tint
EXTERIOR:19" Beyern Mesh staggered, Shadowline kidneys, Axxis pads
01 X5 4.4 - F90BT, L5
  #9  
Old 11-17-2008, 06:32 PM
krockstk krockstk is offline
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try opening the trunk. disconnect battery. take screwdriver and close trunk latch. reconnect battery. use mechanical key in lock to open latch. my 740 had the same problem when I bought it. took a while to figure out, it was just confused. I have to do this every time the battery goes dead. (it sits alot) good luck, Tim
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  #10  
Old 11-17-2008, 07:52 PM
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m5james m5james is offline
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Mein Auto: 98 740iL - Tweaked a bit
I found the steps after searching around some more using Google....basically did what you just suggested. Thanks.
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New here? Please visit www.e38.org, THEN you ask questions

325hp 98 740iL, black/black - Eatin 540's & $hittin 318's
PERFORMANCE:///M5 6spd conv., Iron sleeves, L/W Teflon coated pistons, 3 angle valvejob, P&P head, cams, electric fan, CF intake tube w/aluminum heatshield, Magnaflow 14816'd
INTERIOR:
Hardwired V1 above rearview, 12" RE Audio DVC sub, MTX 81000D, silver trim, 5% tint
EXTERIOR:19" Beyern Mesh staggered, Shadowline kidneys, Axxis pads
01 X5 4.4 - F90BT, L5
  #11  
Old 01-11-2009, 05:16 AM
tromp tromp is offline
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Quote:
Originally Posted by m5james View Post
I found the steps after searching around some more using Google....basically did what you just suggested. Thanks.
My trunk motor stopped working so I can't close/lock the truck as of yesterday. I'm thinking I have the same problem as you. What were the exact steps that you did to "reboot" it?
  #12  
Old 01-11-2009, 12:30 PM
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m5james m5james is offline
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Mein Auto: 98 740iL - Tweaked a bit
To be honest, I don't remember exactly where I found it, and I'm replying via my phone. I'd start by looking on e38.org, then if no luck there, then try using Google.

When I did it I remember a few sites I found. One had me disassemble the lock and check to make sure the spring mechanism was intact, the other had me doing something like turning the trunk key while connecting the battery or something. Sorry I can't give you more at the moment.
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New here? Please visit www.e38.org, THEN you ask questions

325hp 98 740iL, black/black - Eatin 540's & $hittin 318's
PERFORMANCE:///M5 6spd conv., Iron sleeves, L/W Teflon coated pistons, 3 angle valvejob, P&P head, cams, electric fan, CF intake tube w/aluminum heatshield, Magnaflow 14816'd
INTERIOR:
Hardwired V1 above rearview, 12" RE Audio DVC sub, MTX 81000D, silver trim, 5% tint
EXTERIOR:19" Beyern Mesh staggered, Shadowline kidneys, Axxis pads
01 X5 4.4 - F90BT, L5
  #13  
Old 01-16-2009, 03:47 AM
tromp tromp is offline
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Did the spring thing and it worked! Now I'm moving onto overhauling the breaks. Wish me luck.
  #14  
Old 01-16-2009, 09:48 AM
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m5james m5james is offline
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Mein Auto: 98 740iL - Tweaked a bit
Cool. Brakes are pretty easy, just depends on what you're doing sometimes though. If you don't have a buddy to help you bleed, you can build your own pressure bleeded for like $10.
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New here? Please visit www.e38.org, THEN you ask questions

325hp 98 740iL, black/black - Eatin 540's & $hittin 318's
PERFORMANCE:///M5 6spd conv., Iron sleeves, L/W Teflon coated pistons, 3 angle valvejob, P&P head, cams, electric fan, CF intake tube w/aluminum heatshield, Magnaflow 14816'd
INTERIOR:
Hardwired V1 above rearview, 12" RE Audio DVC sub, MTX 81000D, silver trim, 5% tint
EXTERIOR:19" Beyern Mesh staggered, Shadowline kidneys, Axxis pads
01 X5 4.4 - F90BT, L5
  #15  
Old 01-17-2009, 04:49 AM
tromp tromp is offline
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Location: Florida
 
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Mein Auto: 2001-740il
Thanks. I'm going to change pads and rotors so i'll need to bleed. Tell me more about the build your own pressure bleed? I'm also shopping for the parts. I was dust free pads I know for sure.
  #16  
Old 01-17-2009, 09:17 AM
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m5james m5james is offline
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Mein Auto: 98 740iL - Tweaked a bit
E38.org has a few write-ups. I went around to a few local stores (Wal-Mart, Ace Hardware, etc) to find a bleeder that could hold around a quart or so. Take your old brake master cylinder cover w/ you, then goto Wal-Mart or an automotive specific store and get a cap of the same size to drill and install a nipple to connect the bleeder to the cap. I might be getting confusing now, but these are pretty easy things to make. Either read up on E38.org or maybe even try using Google on how to make your own bleeder.
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New here? Please visit www.e38.org, THEN you ask questions

325hp 98 740iL, black/black - Eatin 540's & $hittin 318's
PERFORMANCE:///M5 6spd conv., Iron sleeves, L/W Teflon coated pistons, 3 angle valvejob, P&P head, cams, electric fan, CF intake tube w/aluminum heatshield, Magnaflow 14816'd
INTERIOR:
Hardwired V1 above rearview, 12" RE Audio DVC sub, MTX 81000D, silver trim, 5% tint
EXTERIOR:19" Beyern Mesh staggered, Shadowline kidneys, Axxis pads
01 X5 4.4 - F90BT, L5
  #17  
Old 01-21-2010, 08:10 PM
Ken Burkett Ken Burkett is offline
Woohoo!!
Location: Marysville, Washington
 
Join Date: Jan 2010
Posts: 1
Mein Auto: 2000 740iL
It Worked!

Thanks M5james!!
Disconnecting the battery and closing the lock with the screwdriver worked! appreciate the time you have taken to answer these posts. I was lost and ready to take it into the shop.
Thanks again!!
  #18  
Old 01-21-2010, 08:42 PM
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m5james m5james is offline
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Mein Auto: 98 740iL - Tweaked a bit
Glad I was able to help. Thank you for searching around for the answer and finding this thread instead of posting a new thread I'm all for thread revivals and keeping the information to fewer posts instead of spread all over the place.

I'm born and raised in Edmonds, so I've been able to go on a lot of Seattle5's and 7's drives. Marysville isn't too far, so you should get in touch w/ the www.seattle7s.com guys and go on the drives...good bunch of people and fun meets, usually starting in Issaquah. Anyways, have a good weekend.
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New here? Please visit www.e38.org, THEN you ask questions

325hp 98 740iL, black/black - Eatin 540's & $hittin 318's
PERFORMANCE:///M5 6spd conv., Iron sleeves, L/W Teflon coated pistons, 3 angle valvejob, P&P head, cams, electric fan, CF intake tube w/aluminum heatshield, Magnaflow 14816'd
INTERIOR:
Hardwired V1 above rearview, 12" RE Audio DVC sub, MTX 81000D, silver trim, 5% tint
EXTERIOR:19" Beyern Mesh staggered, Shadowline kidneys, Axxis pads
01 X5 4.4 - F90BT, L5
 

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