Question about Repair Manual for 1992-1998 BMW 3 Series

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TWO PROBLEMS,TRUNK LID& CONV. TOP. truck lid will not open on my 325i convertible, i open it manual a number of times when i was replaceing the carpet,[concole had to come out] i pop the motor back in thats pops out when you pull the handle under the back seat.if the top down it will come back up real slow, but will not go back down. i turn the trunk key to the driver side, i heard some clicking sound like something trying to work elect. but the lid will not come open. any way to bypass mico switch at the lid relay under the dash on pass. side. so i can open the lid, because something else is wrong with top going up and down. i thinking i need to get in side the trunk to fix my other problem with the top THANKS ALOT

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Sounds like it is out of time, disconnect the motor from the trunk lid, run it all the way up, reconnect it in that position and see if you gain joy.

Posted on Oct 31, 2013

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My trunk will not open. When I take off battery cable and replace, it opens once. Is there an easy fix? relay etc?


When the rear compartment lid release switch is pushed, the rear compartment lid release signal circuit to the body control module (BCM) is grounded. BCM then grounds the coil side of the trunk release relay through the trunk release relay control circuit. With this voltage is applied to the rear compartment lid release actuator, opening the rear compartment.
Rear Compartment Lid Release Relay
  1. Ignition OFF, disconnect the trunk relay.
  2. Test for 65-90 ohms of resistance between terminals 85 and 86.
  3. ?‡'
    If the resistance is not within the specified range, replace the trunk relay.

  4. Test for infinite resistance between the following terminals:
  5. ?€¢
    30 and 86


    ?€¢
    30 and 87


    ?€¢
    30 and 85


    ?€¢
    85 and 87


    ?‡'
    If less than infinite resistance, replace the relay.

  6. Install a 10-amp fused jumper wire between relay terminal 85 and 12 volts. Install a jumper wire between relay terminal 86 and ground. Measure for less than 2 ohms of resistance between terminals 30 and 87.
?‡'
If greater than 2 ohms, replace the relay.


Rear Compartment Lid Release Relay Malfunction

  1. Ignition OFF, disconnect the trunk relay.
  2. Verify that a test lamp illuminates between the coil side B+ circuit of the trunk relay and ground.
  3. ?‡'
    If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance. If the circuit tests normal and the B+ circuit fuse is open, test the voltage control circuit for a short to ground. If the circuit tests normal, test or replace the trunk relay.

  4. Verify that a test lamp illuminates between the switch side B+ circuit of the trunk relay and ground.
  5. ?‡'
    If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance.

  6. Disconnect the harness connector at the rear compartment lid latch.
  7. Ignition OFF, test for less than 5 ohm of resistance between the rear compartment lid latch ground circuit and ground.
  8. ?‡'
    If greater than the specifed range, test the ground circuit for an open/high resistance.

  9. Connect a test lamp between the trunk release relay control circuit and the coil side B+ circuit of the trunk relay.
  10. Command the trunk release solenoid ON and OFF with a scan tool.
  11. ?‡'
    If the test lamp remains ON all the time, test the control circuit for a short to ground. If the circuit tests normal, replace the BCM.


    ?‡'
    If the test lamp remains OFF all the time, test the control circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the BCM.

  12. Connect the harness connector at the rear compartment lid latch.
  13. Connect a 3-amp fused jumper wire between the switch side B+ circuit of the trunk relay and the voltage control circuit of the lid latch. Verify that the lid latch activates.
  14. ?‡'
    If the lid latch does not activate, test the control circuit for an open/high resistance. If the circuit tests normal, test or replace the rear compartment lid latch.

  15. If all circuits test normal, test or replace the trunk relay.
Component Testing
Rear Compartment Lid Release Switch
  1. Ignition OFF, disconnect the harness connector at the rear compartment lid release switch.
  2. Test for infinite resistance between the trunk release switch supply voltage and ground terminals with the switch in the open position.
  3. ?‡'
    If less than infinite resistance, replace the rear compartment lid release switch.

  4. Test for less than 2 ohms of resistance between the trunk release switch supply voltage and ground terminals with the switch in the closed position.
  5. ?‡'
    If greater than 2 ohms, replace the rear compartment lid release switch.

  6. Test for infinite resistance between each terminal and the lid release switch housing/case.
?‡'
If less than infinite resistance, replace the rear compartment lid release switch.


Could be the relay , could be the switch , could be a problem with the BCM !

Apr 17, 2016 | 2007 Pontiac G6 GT Convertible

1 Answer

1997 BMW 3281 CONV.TRUNK WILL NOT OPEN LOCKS AND UNLOCKS ,BUT WILL NOT UNLATCH HOW CAN I OPEN IT


Search the BMW forums like Pelican Parts or DTM Power or United Bimmer Community. When I read of problems with convertible trunk lids, a common suspect is a failure in the system that won't allow the trunk to open when the roof is down.

Feb 24, 2011 | 1997 BMW 328

1 Answer

1997 BMW 328ic convertible top stop working. We had to manually close the top but the roof light is flashing. now I can not open the trunk. We tried taking the back seat out (instructions in the owner's...


the trunk will not open because the rear deck lid is not latched.if you have someone push down on the rear lid the micro switch contact will close and then the trunk should be able to be opened

Jan 31, 2011 | 1999 BMW 328 Series

1 Answer

2001 Boxster: hi i have a 2001 porsche boxster s, i opened my to...


To close the top, the parking brake must be engaged and the ignition in the ON position. Assuming that these conditions are met, you can close the top manually if needed. The procedure involves (1) removing key, (2) removing convertible top link covers, (3) gently prying conv top lid links on both side, (4) lifting the conv top lid to open position, (5) gently prying the red links off, and (6) finally manually lifting the top to the closed position.

Before taking such measures, if you do not hear the motors, check the B6 and D3 relays. You might also want to check the microswitch on the top/center windshield frame.


May 16, 2010 | 2001 Porsche Boxster

1 Answer

1996 Saab 900 S Convertable Will not open/close


there are a few reasons that this might be happening but first i would check the compartment where the top is store when down. There are sensors that tell the car if the compartment is ready for use and if the compartment is being obstrcuted you would get that code. email me at Monster50s@yahoo.com if this does not work I may be abloe to help you futher.

Mar 06, 2009 | 1996 Saab 900

1 Answer

Convertible top will not retrack


Hi Stan

First of all the roof is not even soppose to operate while the trunk is open - So there is the first problem Ive been involved with BMW's for a long time and this is the first Ive heard of a roof opening while the trunk is open. There is a built in feature that tells the car not to open the roof if the trunk is open and the other way roung while the roog lid is open the trunk cant open.

The reason the roof is not working anymore as soon as there is stress on the roof the electric motors(One operates the roof and the other operates the roof lid)  disengages, You said that the roof still worked but the lid did not so probably only the one motor disengaged. So what you have to do is open the trunk on the left hand side right behind the tail light pull away the material and simply just push the electric motor into place. that should fix your problem.

It may happen that the two motors have become out of sync, Disengage both electric motors manualy put the roof away engage the motors and that should put the roof and lid back into sync.

Beamerguy. 

Nov 08, 2008 | 1997 BMW 328

1 Answer

Trunk and hood manual latch won't work


That is not the problem the problem is your convertable roof is not closing properly to test this let someone press down on the roof lid and then try to open the trunk, To fix this let the roof lid open and let the roof come up until the back part stands up to let the roof lid close so that the roof hold is exposed look on the right hand side of the car (if your standing at the back) under the roof lid catch there is a small plastic buttun that the roof lid catch needs to pres down on, this tells the car that the roof lid is seucre and it is now safe to let open the trunk, All you have to do is set the tension on the cable for that roof lid catch and the problem is sorted.

Beamerguy

Sep 03, 2008 | 1997 BMW 328

2 Answers

1997 BMW 328i convertible


The problem is that your roof(SOFT TOP) lid isnt closing properly. If you open the roof lid you see there is a button on one of the latches that tells the car that the roof is securely closed if your roof lid is not secure the trunk wont open. To test this press down on the roof lid and the try to open the trunk.

Jun 15, 2008 | 1997 BMW 328

2 Answers

Trunk won't open


If you open the roof lid and look at the lid catch on button side all you have to do is adjust the cable tighter so that when the catch goes down it engages the button. You can do this by turning the nut on the adjuster. The adjuster is located just under the catch on the cable leadeing to the motors

Jun 15, 2008 | 1997 BMW 328

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