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Jack735 View Drop Down
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Joined: 14-September-2005
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Points: 1055 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Jack735 Quote  Post ReplyReply Direct Link To This Post Topic: 1997 E38 750 - computer / engine management system
    Posted: 21-March-2007 at 10:14

A couple of weeks ago someone asked why there was never very much on the 7 series threads.  Well here's a problem for anyone that can help.

 

A friend of mine, Jim, has an 1997 E38 750 (well of course its an E38 numpty!!! That’s me that’s the numpty!).  It is a beautiful car and it was his car that inspired me to get a 7.

 

96k miles.

 

Couple of months ago he found that his battery wasn't staying charged.  The only way to keep the car running was to run it every day.  A new battery was put in.

 

After a wee bit the same problem resurfaced.  Parked up and unless it was run the next day the battery was flat.

 

The car was put on a diagnostic system which has shown a fault in the computer / engine management system and it's causing the electrics to drain the battery.  As far as I am aware these computer / engine management systems have a lot of similarities between the models, I think in particular the E38 and E39 were a result of some in-breeding!!!

 

He's been quoted £1,400 for the bit plus fitting on top, don’t think there would be much change out of two grand.

 

The final bit of his email to me is "Seriously considering selling it which is a great shame as I love the car as you know - any assistance you can glean will be greatly appreciated."

 

Any ideas guys?  Anyone want to disagree with the diagnostic system?

 

He’s at the Hearts side of Edinburgh.

 

Cheers

 

Jack

 
Oooh, The machine of a dream, such a clean machine With the pistons a pumpin', and the alloys all gleam, When I'm holding your wheel, All I hear is your gear, With my hand on your grease gun, Mmm it's like a disease son, I'm in love with my car, gotta feel for my automobile, Get a grip on my .......
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bmw1066 View Drop Down
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Points: 1095 		Post Options Post Options   Thanks (0) Thanks(0)   Quote bmw1066 Quote  Post ReplyReply Direct Link To This Post Posted: 21-March-2007 at 10:42

Should be ablye to send of the ECU for repear a lot cheeper that way were abouts it he? It can happon worth geting the batter checked to I no its new but it wound not be the first time I seen a new duffey battery get boch silver the best for IMO
Mark 735 se 1982
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Jack735 View Drop Down
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Points: 1055 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Jack735 Quote  Post ReplyReply Direct Link To This Post Posted: 21-March-2007 at 12:47
Originally posted by bmw1066 bmw1066 wrote:

were abouts it he?

 



Edited by Jack735
Oooh, The machine of a dream, such a clean machine With the pistons a pumpin', and the alloys all gleam, When I'm holding your wheel, All I hear is your gear, With my hand on your grease gun, Mmm it's like a disease son, I'm in love with my car, gotta feel for my automobile, Get a grip on my .......
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Jack735 View Drop Down
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Joined: 14-September-2005
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Points: 1055 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Jack735 Quote  Post ReplyReply Direct Link To This Post Posted: 21-March-2007 at 12:52
Originally posted by bmw1066 bmw1066 wrote:

Should be ablye to send of the ECU for repear a lot cheeper that way were abouts it he?

Good shout Mark, do you know where he could sent it?  What sort of shop does that sort of thing? 

He's too far away from you to be any good, he's in Edinburgh ...... way, way up norffffffffff!
Oooh, The machine of a dream, such a clean machine With the pistons a pumpin', and the alloys all gleam, When I'm holding your wheel, All I hear is your gear, With my hand on your grease gun, Mmm it's like a disease son, I'm in love with my car, gotta feel for my automobile, Get a grip on my .......
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