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xda2 
Newbie 
Joined: 21-February-2008 Location: Longford Points: 2 |
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 Topic: E34 540i LKM problem - where do i get a new one ?Posted: 21-February-2008 at 23:40 |
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Hi all
new to this forum. Have a 95 E34 540i auto, for the last couple of months i've been getting false warning messages from the on-dash display, tail light, dip beam etc, although the lights are perfect. Research tells me that the issue is a well known fault in a unit called the LKM, and that it can be repaired if you're handy with a soldering iron (i'm not) or replaced with a new / reconditioned unit. Was wondering if anyone here knows where i can lay my hands on a new one ? Or anybody know someone within shouting distance of Longford in Ireland who can fix mine ? Regards XDA |
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NOISUFNOC
Really Senior Member II 
Joined: 27-September-2004 Location: Sunny Greenock by the Sea Points: 1473 |
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Posted: 22-February-2008 at 08:04 |
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Id have a look at the fusible link under the back seat first, and or, the wires in the boot where they go round the hinge are a favourite for snapping inside their insulation,
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kbannon
Admin Group
E39 525i Sport Individual Joined: 09-October-2002 Location: 64 Zoo Lane Points: 15508 |
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Posted: 22-February-2008 at 08:49 |
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Hi xda - welcome to the forum. (I'm half Longford-ish!)
Anyhow, failing John's suggestion, you could get one from Traynors |
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PaulS
Really Senior Member II
East Anglia BMWCC Regional Chairman Joined: 03-July-2004 Location: Aylsham, Norfolk Points: 2516 |
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Posted: 22-February-2008 at 09:13 |
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XDA, I've got an LKM module if you need one, however I would have thought you would need another Check Control Module (CCM) rather than the LKM. I've also got a 100% working CCM here as well, but it came out of an early car (e34 525 1990). Let me know if interested Paul |
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xda2
Newbie
Joined: 21-February-2008 Location: Longford Points: 2 |
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Posted: 22-February-2008 at 10:34 |
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Hi lads, thanks for the suggestions, i'll check out the Fusible link and wires in the boot this evening and take if from there. Paul, thanks for the offer, if i need those parts i'll get back to you. Regards John Edited by xda2 |
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PaulS
Really Senior Member II
East Anglia BMWCC Regional Chairman Joined: 03-July-2004 Location: Aylsham, Norfolk Points: 2516 |
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Posted: 22-February-2008 at 11:48 |
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No probs John, They're here if needed, I may also have a later CCM in the garage, will have a look Paul |
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540 V8
Bavarian-Board Contributor 
Lick my badge Joined: 07-December-2005 Location: Running the asylum Points: 2280 |
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Posted: 22-February-2008 at 21:23 |
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Do you have a sideline we should know about Paul? WELCOME to the forum John, may your stay be long and prosperous! Mike |
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PaulS
Really Senior Member II
East Anglia BMWCC Regional Chairman Joined: 03-July-2004 Location: Aylsham, Norfolk Points: 2516 |
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Posted: 22-February-2008 at 22:53 |
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Nope Paul |
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manga22
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Joined: 27-March-2008 Location: essex Points: 1 |
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Posted: 27-March-2008 at 21:33 |
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I have the same issue that you reported in Feb with the random light warnings - I've got a 94 E34 540 -did you manage to fix it with a new LKM ? - Appreciate any feedback greatly appreciated
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PaulS
Really Senior Member II
East Anglia BMWCC Regional Chairman Joined: 03-July-2004 Location: Aylsham, Norfolk Points: 2516 |
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Posted: 28-March-2008 at 21:22 |
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Do you fancy meeting up at Duxford for our meet on sunday - I could always bring down my spare LKM unit and CCM module. The details are in the East Anglia Area of the forum Nice to see another e34 540 owner fairly close by!! Welcome to the forum Paul |
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E34 540i LKM problem - where do i get a new one ?
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e34silver530i wrote:
Just bits I've managed to acquire to try and sort out my broken angel eyes on the previous car. They didn't cure the problems but worked so I kept them back! 