94 540iA, Dinan TCM Chip - Bimmerfest - BMW Forums

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E34 (1989 - 1995)

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Old 06-04-2017, 05:43 PM
acbajersnc acbajersnc is offline
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Location: Cary, NC, USA
Join Date: Apr 2017
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Mein Auto: 1994 BMW 540i auto
94 540iA, Dinan TCM Chip

I am looking for anyone looking to sell me the Dinan performance TCM chip compatible with my 94 540iA, production date 9/93. You may respond to this or email me at andrewbajerski@gmail.com

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Old 06-13-2017, 09:42 PM
MySatinDoll MySatinDoll is offline
I'm from NJ. So What!?!
Location: Near "The Situation" sadly :(
Join Date: Jan 2011
Posts: 2,147
Mein Auto: What they Drive
IMO skip it and go with a chip from Dima aka DUDMD. I know he does m6x chips for engine management. Not sure if he does TCS chips as well. Doesn't hurt to ask. Best bang for your buck.

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Old 06-14-2017, 07:23 AM
Mr._Graybeard Mr._Graybeard is offline
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Location: Wisconsin
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Mein Auto: '95 540i, '95 525it
I've said it before, but ... if I had a chance to upgrade only one EPROM chip in my E34 540ia, it would be the transmission chip. It will substantially change kickdown and upshift points in sport mode. And as far as I know, only Dinan made one. As in past tense -- it's no longer in their online catalog.

I've suggested in the past that shoppers contact Dinan and see if they'd burn a chip on special order -- I don't know if anyone has done that. Otherwise, they show up on eBay every few months. I've posted the Dinan part number in other threads.
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