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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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Old 07-02-2012, 12:27 PM
calcioboy's Avatar
calcioboy calcioboy is offline
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Location: Mt.View CA
Join Date: Jan 2002
Posts: 10
Mein Auto:
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I had an issue withe a fried DME on my 540ia. The vehicle was out of warranty. I called and spoke with a customer service representative, they end up pick up the cost of the new DME and I had to only pay the dealership labor costs.
Good luck !
2001 540IA
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Old 07-02-2012, 04:17 PM
geargrinder geargrinder is offline
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Location: AndoverRockport MA & Intl
Join Date: Jun 2010
Posts: 114
Mein Auto: E46 M3Cic6MT, E39 540iT
Originally Posted by borahatch View Post
I recenetly had my DME fail as well. This is what you need to do: Go on eBay and find a used DME that matches your existing DME exactly. I paid $89 for one shipped to my door. You shouldn't pay anymore than $100 bucks. Once you get your 'new' DME, ship it along with one working key and your EWS to this place http://www.rmsonlinestore.com/ , they will align all three parts. I believe I paid about $475 or so with shipping and tax. That is your cheapest option I believe.
That is a nice option. $600 for a ready-to-go replacement ECU/DME for any modern car is reasonable.

My Touring needed a rebuilt DME under the PO... I bet it had the T-stat meltdown/coolant-hosing...! That explains another missing link...
2003 M3CicM6 TiAg
2002 540iT 6MT Sport TiAg
1995.5 Audi S6 Avant (utility/winter billetturbobattlewagen)
2008 Audi A3 2.0T DSG (hers)
1999 Cherokee Sport 4L (trailer-hitched in-law loaner bomber)

Some Stuff FS
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Old 07-03-2012, 05:23 PM
EconoBox EconoBox is offline
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Join Date: Aug 2011
Posts: 1,359
Mein Auto: 2001 330i
Coolant goes up that wire in the T-stat housing, all the way across the engine, and all the way to the very back of the engine bay???
This seems like a miracle of nature...

Last edited by EconoBox; 07-03-2012 at 05:26 PM.
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