How to Find ur ECU number - BMW Forum -

3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

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post #1 of 2 (permalink) Old 01-13-2004, 09:14 PM Thread Starter
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Hey, i was going to order a performance chip, but i need the ECU #
i have a 94 318is, and apparently theres 3 diff. ecu #'s that i could have for my car

does any one know how to find out ur ECU #?

step by step instructions would be awsome, i would be most gratefull! im not the smartest when it comes to working with bmw's!

thanks guys, i appreciate it!

as far as chips, would u guys recommend the chips or those Module things i have been seeing, apparently tehre "piggy-back" designs...?

thanks again!


'94 318is
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post #2 of 2 (permalink) Old 01-13-2004, 10:48 PM
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The DME (Digital Motor Electronics) is located on the passenger side in the firewall. there is a cover held on by a few screws. Inside there you will find the DME, and the EGS (transmission, if an auto). They'll be labeled as such. There is a sticker on the DME, with the BMW basic part number, and programmed control unit number, and I think one more, but I'm not sure.
See if any of those match your application. As far as suggestions on aftermarket stuff, I don't go there.
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